MALICIOUS — 9c56fe7af949aa193f9f1f31dd0dce11f907a28c628fef749399cd1ff7ee3ea3
MALICIOUS — 9c56fe7af949aa193f9f1f31dd0dce11f907a28c628fef749399cd1ff7ee3ea3 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Vobfus family. 7 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
9c56fe7af949aa193f9f1f31dd0dce11f907a28c628fef749399cd1ff7ee3ea3 - SHA-1:
2be108dc47f9acaa6da6780781d3f73648300acf - MD5:
2b820826f80ef77db331912fb836dfa4 - imphash:
9c61745dedaefb91c2178530fe217e6a - ssdeep:
12288:7SgynzSXPRlVxNzch65aHVZjKWj46rPU1h++U8QU:7S1+l5ck5a1gA5rcj7d - TLSH:
T1374CBFC819192701DA32CBE02D605F5D64A3F0F921FE285D4B93E43E72EBC47AA51978 - Submitted as: 9c56fe7af949aa193f9f1f31dd0dce11f907a28c628fef749399cd1ff7ee3ea3
- File type: pe · Size: 537288 bytes
- Verdict: malicious (100/100) · Family: Vobfus
Detections (7 of 56 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Malware.Vobfus-9877162-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- LIEF (executable format parser): lief:invalid-authenticode
- Microsoft Defender: flagged
- Kaspersky (KVRT): UDS:Trojan-Ransom.Win32.Blocker.gen
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 15 weighted signals:
- ClamAV (daily) flagged Win.Malware.Vobfus-9877162-0 (rule
Win.Malware.Vobfus-9877162-0) - engine signal, weight 0.90, confidence 0.95 - 2 behavioral detection(s) across 2 rule(s): Registry Run Key Persistence [high] (rule
tl-run-key) - dynamic signal, weight 0.63, confidence 0.90 - Microsoft Defender flagged flagged (rule
flagged) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged UDS:Trojan-Ransom.Win32.Blocker.gen (rule
UDS:Trojan-Ransom.Win32.Blocker.gen) - engine signal, weight 0.55, confidence 0.85 - YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70 - 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 2 external host(s) and 6 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
- YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule
YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70 - LIEF (executable format parser) flagged lief:invalid-authenticode (rule
lief:invalid-authenticode) - engine signal, weight 0.35, confidence 0.70 - capa (capabilities) flagged capability:collection/keylog (rule
capability:collection/keylog) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: http://sf.symcb.com/sf.crl0f, https://d.symcb.com/rpa0, http://sf.symcb.com/sf.crt0 - static signal, weight 0.35, confidence 0.60
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
20217 behavior events · 3 ATT&CK techniques · 0 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- sf.symcb.com
- kiomanito.freemyip.com
- update.googleapis.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- officeclient.microsoft.com
- windows.msn.com
- www.msn.com
- odc.officeapps.live.com
- licensing.mp.microsoft.com
- assets.msn.com
- www.bing.com
- th.bing.com
- fe3cr.delivery.mp.microsoft.com
Embedded URLs
- https://www.verisign.com/rpa
- http://sf.symcb.com/sf.crl0f
- https://d.symcb.com/rpa0
- http://sf.symcb.com/sf.crt0
- http://ts-aia.ws.symantec.com/tss-ca-g2.cer0
- http://ts-crl.ws.symantec.com/tss-ca-g2.crl0
- http://crl.thawte.com/ThawteTimestampingCA.crl0
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://sf.symcb.com/sf.crt
Embedded domains
- www.verisign.com
- sf.symcb.com
- d.symcb.com
- ts-aia.ws.symantec.com
- ts-crl.ws.symantec.com
- crl.thawte.com
- kiomanito.freemyip.com
Embedded IP addresses
- 20.184.175.0
- 52.123.252.234
- 4.149.160.182
- 4.230.171.124
- 172.64.154.167
- 74.178.76.54
- 40.84.97.4
- 135.233.95.144
- 52.168.117.168
- 52.110.12.11
- 52.110.12.14
- 135.233.45.221
- 72.145.35.104
- 52.148.114.188
- 52.110.12.19
- 52.110.12.8
File paths
- C:\Projets\vbsedit_source\vbsedit_source\Release\mywscript.pdb
- l:\]wr
- T:\:d:l:t:
- X:\:`:l;p;t;x;
- P:\:
- f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\array_s.cpp
- f:\dd\vctools\vc7libs\ship\atlmfc\include\afxwin2.inl
- f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\appcore.cpp
- f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\auxdata.cpp
- f:\dd\vctools\vc7libs\ship\atlmfc\include\afxwin1.inl
- f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\filecore.cpp
More Vobfus samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report