MALICIOUS — bef11b5c8bd94bf3046beeb22474db1ebce9267e2620ad22473fcb576bcd3e8b

MALICIOUS — bef11b5c8bd94bf3046beeb22474db1ebce9267e2620ad22473fcb576bcd3e8b is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the HUILoader family. 11 of 55 detection engines flagged it, exhibiting 8 ATT&CK techniques.

Identification

SHA-256: bef11b5c8bd94bf3046beeb22474db1ebce9267e2620ad22473fcb576bcd3e8b
SHA-1: 1e3f591934fc34e26aad50c215242c3425180ab1
MD5: 5a2bf493ce2eb13b4b8a90fcde04545f
imphash: 3aaf46fe417dde7985c17bf9311368bf
ssdeep: 49152:qZIV8G9HN52lhqXChFciXZbDsD49XpzK4Hy0kBkzCym7XC9CVTyB:AeT6lJR95axyOXCvB
TLSH: T1BA60BFD5F23F5323C3AECE245868BD4CD4197168487EFBCCB983A6A614E893BE554018
Submitted as: bef11b5c8bd94bf3046beeb22474db1ebce9267e2620ad22473fcb576bcd3e8b
File type: pe · Size: 3557587 bytes
Verdict: malicious (100/100) · Family: HUILoader

Detections (11 of 55 engines)

capa (capabilities): capability:collection/keylog
MalwareAnalyser heuristics (entropy/packer): UPX
ClamAV (daily): Win.Trojan.Generic-7135733-0
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
YARA: Stratosphere IPS: STRATO_Tor_Onion_C2
YARA: Yara-Rules community: YR_AntiDebug_Checks
Detect It Easy (packer/type): DIE:Turbo Linker
Microsoft Defender: Trojan:Win32/Downloader.CH!MTB
Emsisoft (Emergency Kit): Gen:Variant.Ransom.Amnesia.1
Trellix Stinger (McAfee): Packed-KS!5A2BF493CE2E
Kaspersky (KVRT): HEUR:Packed.Win32.Upantix.gen

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 18 weighted signals:

ClamAV (daily) flagged Win.Trojan.Generic-7135733-0 (rule Win.Trojan.Generic-7135733-0) - engine signal, weight 0.90, confidence 0.95
2 behavioral detection(s): Registry Run Key Persistence [high] (rule tl-run-key) - dynamic signal, weight 0.60, confidence 0.90
Observed at runtime: Registry Run Key Persistence (T1547.001) (rule Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
Contacted 21 external host(s) at runtime (21 HTTP) - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497, T1497.001 - dynamic signal, weight 0.40, confidence 0.75
YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70
YARA: Stratosphere IPS flagged STRATO_Tor_Onion_C2 (rule STRATO_Tor_Onion_C2) - 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
Detect It Easy (packer/type) flagged DIE:Turbo Linker (rule DIE:Turbo Linker) - engine signal, weight 0.35, confidence 0.70
Embedded network infrastructure: http://hoohoo.ncsa.uiuc.edu/docs/tutorials/imagemapping.html, https://d.symcb.com/rpa0, http://sv.symcb.com/sv.crl0W - static signal, weight 0.35, confidence 0.60
communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
Packing/obfuscation: UPX, high-entropy-sections:UPX1, Turbo Linker - static signal, weight 0.25, confidence 0.55
enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60
Dropped 29 executable file(s) at runtime - dynamic 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)

46619 behavior events · 3 ATT&CK techniques · 38 dropped files.

Dropped files

C:\Program Files\LibreOffice\program\mar.exe - 240fdccd5e6907f93af66fe7481ada002fb47d6c4cbc6ec2de4b806bf6e2c0bf
C:\Program Files\LibreOffice\program\python-core-3.12.13\lib\pip\_vendor\distlib\w64-arm.exe - d557a1171fc1a81ddf1779c4dce98e84769b1467c271efb79518ca959befd541
C:\Program Files\LibreOffice\program\python-core-3.12.13\lib\pip\_vendor\distlib\w64.exe - d96712385c8fffe4eb148e17a697e5a73f92ba26c347e8a41d7fb597a770bd48
C:\Program Files\LibreOffice\program\python-core-3.12.13\lib\pkg_resources\api_tests.txt - 5c476fcb88a01c7aeadaa34734c1e795f3ba5d240a36a3b22c76e5e907297c02
C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\ktab.exe - 9c6c91263866219d32cdf81750c050e686cd1e3bc58b28750fb7f29fdf54dcc8
C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jabswitch.exe - 9fefd985aff0a3f115aefc94a10449ab6140d80343cd926cdeda67d5d85b04ed
C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jaccessinspector.exe - 28149d5ef98f88cf2ee26f4e88422661392275018a4ace955fed6d048b845933
C:\Program Files\LibreOffice\program\python-core-3.12.13\bin\python.exe - 85d3686c378cbaf65393c6f3b610d23338d0e4f342e14fd6a101d2dd6e3dd034
C:\Program Files\LibreOffice\program\gpgme-w32spawn.exe - 066ae5e0292e3e9658c0c8241fec1624487991244bc16061e4f89cfb53b09c25
C:\Program Files\LibreOffice\program\odbcconfig.exe - bbcc7bb45741306aeb82460636c3deac01c1333d115200592a985a39230e3997
C:\Program Files\LibreOffice\program\python-core-3.12.13\lib\lib2to3\Grammar.txt - 508e62e787dd756eb0a4eb1b8d128320ca02cd246ab14cc8ce0a476dc88cc5b6
C:\Program Files\LibreOffice\program\python-core-3.12.13\lib\lib2to3\PatternGrammar.txt - ee5ba5db3b6722a0e2fbe2560ebc1c883e72328ef9c3b4da1c7c5d1cc649bce3
C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\conf\security\policy\README.txt - 6da0747334b0fea7592fd92614b2bbc8b126535e129b1fee483774d914e98eb5
C:\Program Files\LibreOffice\program\python-core-3.12.13\lib\pip\_vendor\vendor.txt - 116f84ddc1395c402d545cc62278a402b38c0f118fd032d45b35e96384597c56
C:\Program Files\LibreOffice\program\python-core-3.12.13\lib\pip\_vendor\distlib\w32.exe - 262ada451d4f668a7cc8467044f6535b18ee491adb898165adf3325e00731af5

Embedded URLs

http://go.microsoft.com/fwlink/?LinkId=9996
http://crl.verisign.com/tss-ca.crl0
https://www.verisign.com/rpa
https://www.verisign.com/rpa01
http://crl.verisign.com/pca3.crl0
http://CSC3-2004-crl.verisign.com/CSC3-2004.crl0D
https://www.verisign.com/rpa0
http://office.microsoft.com
http://ocsp.verisign.com/ocsp/status0
http://hoohoo.ncsa.uiuc.edu/docs/tutorials/imagemapping.html
https://www.verisign.com/cps0
http://logo.verisign.com/vslogo.gif04
http://csc3-2010-crl.verisign.com/CSC3-2010.crl0D
http://csc3-2010-aia.verisign.com/CSC3-2010.cer0
https://www.verisign.com/cps0*
http://crl.verisign.com/pca3-g5.crl04
https://d.symcb.com/rpa0
http://sv.symcb.com/sv.crl0W
http://sv.symcb.com/sv.crt0
http://www.symauth.com/cps0
http://www.symauth.com/rpa00
http://s1.symcb.com/pca3-g5.crl0
https://www.digicert.com/CPS0
http://crl3.digicert.com/sha2-assured-ts.crl02
http://crl4.digicert.com/sha2-assured-ts.crl0

Embedded domains

go.microsoft.com
crl.verisign.com
www.verisign.com
crl.microsoft.com
office.microsoft.com
ocsp.verisign.com
hoohoo.ncsa.uiuc.edu
logo.verisign.com
csc3-2010-crl.verisign.com
csc3-2010-aia.verisign.com
d.symcb.com
sv.symcb.com
www.symauth.com
s1.symcb.com
www.digicert.com
crl3.digicert.com
crl4.digicert.com
cacerts.digicert.com
www.microsoft.com
pandora.be
csc3-2004-crl.verisign.com

Embedded IP addresses

3.0.1.0
3.0.1.3
2.1.4.0
8.0.241.7
9.2.0.124
52.123.252.241
52.168.117.175
52.123.252.197
20.247.184.142
4.230.171.124
20.42.179.192
74.179.77.204
74.178.240.51
51.104.15.253
51.116.253.170
203.26.79.13
52.123.129.14
20.231.239.246
52.123.128.14
74.178.232.29
135.234.160.246
52.148.114.188
72.145.35.107
172.215.188.225
52.110.12.14

Registry keys

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows
HKCU\Software
HKCU\Software\Policies
HKLM\Software
HKLM\Software\Policies

File paths

P:\server\source\mapprogs\winnt\imagemap.pdb
C:\Development\VBProj\QDiff\VBGraphics.tlb
C:\WINDOWS\System32\MSVBVM60.DLL\3
C:\Program
c:\ade\jenkins\workspace\8-2-build-windows-i586-cygwin\jdk8u241\331\build\windows-i586\jdk\objs\java_objs\java.pdb
P:\Target\x64\ship\lync\x-none\appsharinghookcontroller.pdb

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report