MALICIOUS — af9809d2f5f78db7e5bbe36497225f46a820f773710aa2beca4282669f360e73
MALICIOUS — af9809d2f5f78db7e5bbe36497225f46a820f773710aa2beca4282669f360e73 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Lamer family. 10 of 25 detection engines flagged it, exhibiting 8 ATT&CK techniques.
Identification
- SHA-256:
af9809d2f5f78db7e5bbe36497225f46a820f773710aa2beca4282669f360e73 - SHA-1:
54ce56618a0e6dee28179b7a41462927636a3ba8 - MD5:
4ba95bbb2d3fef062960a02102f58f3a - imphash:
31d1c48ee7d8e07a5706e963146db875 - ssdeep:
196608:FvNRKpqDF3cbtQtXq7seYFsdti/dGt3mmRer:7gg34tQJv9u2FGtJ4r - TLSH:
T1AC6901915E271122F5F9D884BED0ECAD8061776C707ED7889703ACBDA4940B7ECA049E - Submitted as: af9809d2f5f78db7e5bbe36497225f46a820f773710aa2beca4282669f360e73
- File type: pe · Size: 8306648 bytes
- Verdict: malicious (100/100) · Family: Lamer
Detections (10 of 25 engines)
- YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
- capa (capabilities): capability:collection/keylog
- YARA: delivr.to detections: DLV_ISO_IMG_Container_Lure
- YARA: JPCERT/CC: JPCERT_Emotet
- YARA: Trellix/McAfee ATR: ATR_LockBit_Ransomware
- YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- Kaspersky (KVRT): Virus.Win32.Lamer.xe
- Microsoft Defender: Virus:Win32/Viking.MS
- Emsisoft (Emergency Kit): Trojan.Agent.FPMF
MITRE ATT&CK
YARA
- Windows_Injection_Api_Combo
Why this verdict
The malicious score of 100/100 is the fusion of 18 weighted signals:
- Dropped a malicious payload (Emotet): 089151cb1077034b1f7ac161265281bfa4f9e0d3eceb3b96f828bb2e6255cdc5 - dynamic signal, weight 0.80, confidence 0.90
- Process injection API combination (rule
Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90 - Kaspersky (KVRT) flagged Virus.Win32.Lamer.xe (rule
Virus.Win32.Lamer.xe) - engine signal, weight 0.55, confidence 0.85 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - 1 behavioral detection(s): Windows Service Installation [medium] (rule
tl-service-install) - dynamic signal, weight 0.40, confidence 0.90 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Anti-analysis: T1497, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
- YARA: delivr.to detections flagged DLV_ISO_IMG_Container_Lure (rule
DLV_ISO_IMG_Container_Lure) - engine signal, weight 0.35, confidence 0.70 - YARA: JPCERT/CC flagged JPCERT_Emotet (rule
JPCERT_Emotet) - engine signal, weight 0.35, confidence 0.70 - YARA: Trellix/McAfee ATR flagged ATR_LockBit_Ransomware (rule
ATR_LockBit_Ransomware) - engine signal, weight 0.35, confidence 0.70 - YARA: MalwareAnalyser community pack flagged TL_Shellcode_VirtualAlloc_Exec (rule
TL_Shellcode_VirtualAlloc_Exec) - engine signal, weight 0.35, confidence 0.70 - YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule
YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70 - query domain / anti-analysis (rule
query domain / anti-analysis) - capa signal, weight 0.35, confidence 0.60 - Embedded network infrastructure: https://www.sumatrapdfreader.org/dl/prerel/PRE_RELEASE_VER/SumatraPDF-prerel, https://www.sumatrapdfreader.org/dl/rel/SumatraPDF-3.5.2, https://www.sumatrapdfreader.org/settings/settings3-5-1.html - static signal, weight 0.35, confidence 0.60
- communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60 - enumerate processes (rule
enumerate processes) - capa signal, weight 0.20, confidence 0.60 - Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Extracted generic config (1 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
57205 behavior events · 2 ATT&CK techniques · 71 dropped files.
Runtime network
- www.msftconnecttest.com
- searchapp.bundleassets.example
- desktop-hsgcbep
- ctldl.windowsupdate.com
- config.edge.skype.com
- www.bing.com
- msedge.api.cdp.microsoft.com
- dns.msftncsi.com
- watson.events.data.microsoft.com
- edge.microsoft.com
- aefd.nelreports.net
- www.msftncsi.com
- time.windows.com
- geo.prod.do.dsp.mp.microsoft.com
- geover.prod.do.dsp.mp.microsoft.com
- 192.168.122.112
- 224.0.0.252
- 192.168.122.255
- 192.168.122.1
- 192.168.122.109
Dropped files
- /opt/CAPEv2/storage/analyses/9161/files/224897747f9230bb490083fff22f31a43c90c98aca0eb57c471f48d47c56903e -
224897747f9230bb490083fff22f31a43c90c98aca0eb57c471f48d47c56903e - /opt/CAPEv2/storage/analyses/9161/files/089151cb1077034b1f7ac161265281bfa4f9e0d3eceb3b96f828bb2e6255cdc5 -
089151cb1077034b1f7ac161265281bfa4f9e0d3eceb3b96f828bb2e6255cdc5 - /opt/CAPEv2/storage/analyses/9161/files/645e84f031f2cdd623bb342fa256fe2bb64d4ce4688f0c11a530b602fcbf1db3 -
645e84f031f2cdd623bb342fa256fe2bb64d4ce4688f0c11a530b602fcbf1db3 - /opt/CAPEv2/storage/analyses/9161/files/d63702fe0bd5bf7e5cafddd58349a625036e9b70e78d6d80d1d6a897b9dbad28 -
d63702fe0bd5bf7e5cafddd58349a625036e9b70e78d6d80d1d6a897b9dbad28 - /opt/CAPEv2/storage/analyses/9161/files/bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 -
bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - /opt/CAPEv2/storage/analyses/9161/files/4b4aff4267767008ed9c511c369a6e01000452e5d8e2330d95689af0e35f8756 -
4b4aff4267767008ed9c511c369a6e01000452e5d8e2330d95689af0e35f8756 - /opt/CAPEv2/storage/analyses/9161/files/38271223fc3d35be7fc12d5ca017a500fb37f1a121e63705e4adab19263effb6 -
38271223fc3d35be7fc12d5ca017a500fb37f1a121e63705e4adab19263effb6 - /opt/CAPEv2/storage/analyses/9161/files/af2eacdc5171455ac8df56f669fdede4c190d29b3ba4439ec541beda490d28eb -
af2eacdc5171455ac8df56f669fdede4c190d29b3ba4439ec541beda490d28eb - /opt/CAPEv2/storage/analyses/9161/files/821183c2603bd5e6b268762844a45925764da6ec051dcb69a148dc0327cf8aeb -
821183c2603bd5e6b268762844a45925764da6ec051dcb69a148dc0327cf8aeb - /opt/CAPEv2/storage/analyses/9161/files/bcce98670e14be492001f9eaa24bdbc79542e3a0a0a306e9606dc8de1be3f510 -
bcce98670e14be492001f9eaa24bdbc79542e3a0a0a306e9606dc8de1be3f510 - /opt/CAPEv2/storage/analyses/9161/files/13062a6adc45371149c5b205cf86b0b5f663b39771fc704129783c87cbf7b01a -
13062a6adc45371149c5b205cf86b0b5f663b39771fc704129783c87cbf7b01a - /opt/CAPEv2/storage/analyses/9161/files/c2af39cd735fff0c32600813866ae952325cd64757a8855552c7fa4583da80bc -
c2af39cd735fff0c32600813866ae952325cd64757a8855552c7fa4583da80bc - /opt/CAPEv2/storage/analyses/9161/files/a8e57903627b857b4783e54605fe48f33846b99c424418c5fb58d3076fa29416 -
a8e57903627b857b4783e54605fe48f33846b99c424418c5fb58d3076fa29416 - /opt/CAPEv2/storage/analyses/9161/files/af4c1d1de549cc7999310c4ee9fc5d8ba03e3c29b522ee0a3ebf9fe548bfde98 -
af4c1d1de549cc7999310c4ee9fc5d8ba03e3c29b522ee0a3ebf9fe548bfde98 - /opt/CAPEv2/storage/analyses/9161/files/0d314ba4c190c9b47945aa09bcf9d37d407f16b94944e5669dcd79245bcd935b -
0d314ba4c190c9b47945aa09bcf9d37d407f16b94944e5669dcd79245bcd935b
Embedded URLs
- https://www.sumatrapdfreader.org/dl/prerel/PRE_RELEASE_VER/SumatraPDF-prerel
- https://www.sumatrapdfreader.org/dl/rel/SumatraPDF-3.5.2
- https://www.sumatrapdfreader.org/settings/settings3-5-1.html
- https://www.sumatrapdfreader.org/download-free-pdf-viewer
- https://www.sumatrapdfreader.org/
- https://www.sumatrapdfreader.org/docs/Version-history.html
- https://www.sumatrapdfreader.org/manual
- https://github.com/sumatrapdfreader/sumatrapdf/discussions
- https://github.com/sumatrapdfreader/sumatrapdf/blob/master/AUTHORS
- https://github.com/sumatrapdfreader/sumatrapdf/blob/master/TRANSLATORS
- https://github.com/sumatrapdfreader/sumatrapdf/commit/646d1feddcc80b3b51072c5b27a1446487904175
- https://www.sumatrapdfreader.org/docs/Keyboard-shortcuts
- https://www.sumatrapdfreader.org/docs/Contribute-translation
- https://www.sumatrapdfreader.org/docs/Submit-crash-report.html
- https://www.sumatrapdfreader.org/docs/Corrupted-installation
- https://www.sumatrapdfreader.org/docs/Installer-cmd-line-arguments
- http://www.w3.org/2000/svg
- https://www.sumatrapdfreader.org/update-check-rel.txt
- https://sumatra-website.onrender.com/update-check-rel.txt
- http://www.daisy.org/z3986/2005/ncx/
- http://www.idpf.org/2007/opf
- http://www.w3.org/2001/04/xmlenc#
- http://www.w3.org/1999/xlink
- http://www.gribuser.ru/xml/fictionbook/2.0
- http://schemas.microsoft.com/SMI/2016/WindowsSettings
Embedded domains
- www.sumatrapdfreader.org
- mozilla.zeniko.ch
- github.com
- www.w3.org
- sumatra-website.onrender.com
- read.me
- www.daisy.org
- www.idpf.org
- www.gribuser.ru
- h.sh
- uj.tk
- schemas.microsoft.com
- sectigo.com
- crl.sectigo.com
- crt.sectigo.com
- crl.comodoca.com
- crl.usertrust.com
- crt.usertrust.com
- translate.google.com
- www.google.com
- www.deepl.com
- www.bing.com
- aefd.nelreports.net
Embedded IP addresses
- 192.168.0.30
- 192.168.8.1
File paths
- C:\Users\kjk\src\sumatrapdf\src\EnginePs.cpp
- C:\Users\kjk\src\sumatrapdf\out\rel64\SumatraPDF-dll.pdb
- V:\yC~
- p:\`WT
- e:\j
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