MALICIOUS — 8936a6af411beee2ab318b331bb9e5a3f106563c941ac2d0a547a9ce4384c955
MALICIOUS — 8936a6af411beee2ab318b331bb9e5a3f106563c941ac2d0a547a9ce4384c955 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the NmJfa4pdRVd family. 5 of 51 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
8936a6af411beee2ab318b331bb9e5a3f106563c941ac2d0a547a9ce4384c955 - SHA-1:
89baa2de68185845de4f64020f69a3092cafea4e - MD5:
0098612074cf4f720b78ed442c6a1f38 - imphash:
e60d0e6577962a1096407913ed128742 - ssdeep:
3072:IyrN/sVywaEj1UsPyrN/sVywaEj1Us10nf+TaDio3L7ZSuK9K2e5s2rJljzOd/R:Nh9wv1U7h9wv1UvnDio1UqrJljzOD - TLSH:
T120421207B4C59059D2D1BD5288A4F35FF8DE172C263174D01A4A676B80AE327B8847EE - Submitted as: 8936a6af411beee2ab318b331bb9e5a3f106563c941ac2d0a547a9ce4384c955
- File type: pe · Size: 216576 bytes
- Verdict: malicious (100/100) · Family: NmJfa4pdRVd
Detections (5 of 51 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Ransomware.Somhoveran-9870372-0
- Microsoft Defender: Trojan:Win32/Vindor!pz
- Emsisoft (Emergency Kit): Gen:Trojan.ShellHook.nmJfa4pdRVd
- Kaspersky (KVRT): Worm.Win32.Wenper.b
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 9 weighted signals:
- ClamAV (daily) flagged Win.Ransomware.Somhoveran-9870372-0 (rule
Win.Ransomware.Somhoveran-9870372-0) - engine signal, weight 0.90, confidence 0.95 - Microsoft Defender flagged Trojan:Win32/Vindor!pz (rule
Trojan:Win32/Vindor!pz) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Gen:Trojan.ShellHook.nmJfa4pdRVd (rule
Gen:Trojan.ShellHook.nmJfa4pdRVd) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged Worm.Win32.Wenper.b (rule
Worm.Win32.Wenper.b) - 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 - Contacted 25 external host(s) at runtime (5 HTTP) - network signal, weight 0.40, confidence 0.80
- Packing/obfuscation: UPX, high-entropy-sections:UPX1 - static signal, weight 0.25, confidence 0.55
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
316 behavior events · 2 ATT&CK techniques · 4 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e?P1=1787091365&P2=404&P3=2&P4=EV2OsSPZ8yM9ipfGNmthoeR%2b%2byMHYE7S4whKSBYGrENLMZLfNJpcU7ymLmTS7WrsDcKfrdJ6KFnHSDT6AfU8JQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- 23.40.52.85
- 151.101.30.172
- 23.11.37.157
- 20.184.175.13 US · San Jose · AS8075 Microsoft Corporation
- 20.190.167.65
Dropped files
- /opt/CAPEv2/storage/analyses/30681/files/057198d4d49d544d17e5684db72ad4ad78d94826a7590af24adf8a965637fd7f -
057198d4d49d544d17e5684db72ad4ad78d94826a7590af24adf8a965637fd7f - /opt/CAPEv2/storage/analyses/30681/files/0001b27f1fe36a0f7c3b0fe6778c178c4c57860ac2b2ee3be7ad77de04f1be98 -
0001b27f1fe36a0f7c3b0fe6778c178c4c57860ac2b2ee3be7ad77de04f1be98 - /opt/CAPEv2/storage/analyses/30681/files/eaaf444e260576585d2370e51f83122e38d309c96fcec4546575e61ba1c380e8 -
eaaf444e260576585d2370e51f83122e38d309c96fcec4546575e61ba1c380e8 - /opt/CAPEv2/storage/analyses/30681/files/555de0428fe5b57a6af46ebb6a2fb01da1f85de58d32ceab993e83ff60776df8 -
555de0428fe5b57a6af46ebb6a2fb01da1f85de58d32ceab993e83ff60776df8
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e?P1=1787091365&P2=404&P3=2&P4=EV2OsSPZ8yM9ipfGNmthoeR%2b%2byMHYE7S4whKSBYGrENLMZLfNJpcU7ymLmTS7WrsDcKfrdJ6KFnHSDT6AfU8JQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 20.184.175.13
- 4.144.132.114
- 20.42.179.204
- 4.230.171.124
- 74.178.240.51
- 20.236.44.162
- 135.233.95.144
- 40.99.133.226
- 20.165.94.63
- 52.123.128.14
- 40.99.134.2
- 74.179.71.159
- 203.26.79.13
More NmJfa4pdRVd samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report