MALICIOUS — f87b3feec99dce2cebb9a2c2b06b0b6f1240e4201ca14f03796d9ab6d67731ed
MALICIOUS — f87b3feec99dce2cebb9a2c2b06b0b6f1240e4201ca14f03796d9ab6d67731ed is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the ImJfa4pdRVd family. 6 of 52 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
f87b3feec99dce2cebb9a2c2b06b0b6f1240e4201ca14f03796d9ab6d67731ed - SHA-1:
cf84a0049cfef94ccefbafb357668651c48aab47 - MD5:
0099e86e9606a0d483347cdacfe3662a - imphash:
e60d0e6577962a1096407913ed128742 - ssdeep:
3072:IyrN/sVywaEj1UsEOBYJwyrN/sVywaEj1UsuBna6GXpSZ:Nh9wv1Ut3nh9wv1UFntGZq - TLSH:
T1303E020BA611D4B8C1E3FE741C69C26DEC604B940D36A9801D036FEF205DB576AE4ACD - Submitted as: f87b3feec99dce2cebb9a2c2b06b0b6f1240e4201ca14f03796d9ab6d67731ed
- File type: pe · Size: 144384 bytes
- Verdict: malicious (100/100) · Family: ImJfa4pdRVd
Detections (6 of 52 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Ransomware.Somhoveran-9870372-0
- Detect It Easy (packer/type): DIE:UPX 1.24
- Microsoft Defender: Trojan:Win32/Vindor!pz
- Emsisoft (Emergency Kit): Gen:Trojan.ShellHook.imJfa4pdRVd
- Kaspersky (KVRT): Worm.Win32.Wenper.b
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 10 weighted signals:
- ClamAV (daily) flagged Win.Ransomware.Somhoveran-9870372-0 (rule
Win.Ransomware.Somhoveran-9870372-0) - engine signal, weight 0.90, confidence 0.95 - Dropped a malicious payload (KmJfa4pdRVd): 161866faeb92d3b082a927b6e2780a10edea83193fd2b90031680bd6593a8280 - dynamic signal, weight 0.80, confidence 0.90
- 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.imJfa4pdRVd (rule
Gen:Trojan.ShellHook.imJfa4pdRVd) - 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 35 external host(s) at runtime (22 HTTP) - network signal, weight 0.40, confidence 0.80
- Detect It Easy (packer/type) flagged DIE:UPX 1.24 (rule
DIE:UPX 1.24) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: UPX, high-entropy-sections:UPX1, UPX 1.24 - 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)
314 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
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- settings-win.data.microsoft.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- /opt/CAPEv2/storage/analyses/30564/files/161866faeb92d3b082a927b6e2780a10edea83193fd2b90031680bd6593a8280 -
161866faeb92d3b082a927b6e2780a10edea83193fd2b90031680bd6593a8280 - /opt/CAPEv2/storage/analyses/30564/files/c8aafc7b530a717e87af04fce4debc6f7689febef1820c601675393674fb627e -
c8aafc7b530a717e87af04fce4debc6f7689febef1820c601675393674fb627e - /opt/CAPEv2/storage/analyses/30564/files/a7f156871bdac6fa0406b0c4d1be436e97ab686f15d5952a072aa2fbb2e494d7 -
a7f156871bdac6fa0406b0c4d1be436e97ab686f15d5952a072aa2fbb2e494d7 - /opt/CAPEv2/storage/analyses/30564/files/d4ed7fe62d246bce9081d39d60dbac255a8873bd9379699ad4494809279d2c91 -
d4ed7fe62d246bce9081d39d60dbac255a8873bd9379699ad4494809279d2c91
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=1787088252&P2=404&P3=2&P4=PIcLKxL31Id1nN%2bGTkXwdgv2YWwJO%2bPoj735fM%2f5yvhmUaEhzt%2bI7whQ0fAAki%2b8Z%2fwPHwatems27o2j7fsCnw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 85.210.193.152
- 4.150.223.105
- 4.230.171.124
- 52.230.60.54
- 74.178.240.61
- 4.150.223.97
- 74.178.240.51
- 20.112.250.133
- 52.123.128.14
- 52.123.129.14
- 162.159.142.9
- 104.46.162.224
- 135.234.160.247
- 203.26.79.13
- 52.148.114.188
- 135.232.92.34
- 52.110.12.53
- 52.110.12.5
- 72.153.5.131
More ImJfa4pdRVd samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report