MALICIOUS — cc0a1afcb170cec056ea02c153a72e5325d7895c4151ea5b6be5bc73bfee3bc0
MALICIOUS — cc0a1afcb170cec056ea02c153a72e5325d7895c4151ea5b6be5bc73bfee3bc0 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the OmJfa4pdRVd family. 6 of 55 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
cc0a1afcb170cec056ea02c153a72e5325d7895c4151ea5b6be5bc73bfee3bc0 - SHA-1:
748207f3c6d1462b0c2568772d5cb6711a28c163 - MD5:
4983c2368527b303dce056205cd57b1a - imphash:
e60d0e6577962a1096407913ed128742 - ssdeep:
6144:Nh9wv1Ut3nh9wv1U+YWsJFTQJVwKwfA17lpN/KmnHCtmX:Nh9wtah9wtJA3QyKlfHZX - TLSH:
T1F2431346F467EAEAD9E3FE156C1CE35DEC518B6809214CC0A91E3FA72004B271578E9C - Submitted as: cc0a1afcb170cec056ea02c153a72e5325d7895c4151ea5b6be5bc73bfee3bc0
- File type: pe · Size: 235520 bytes
- Verdict: malicious (99/100) · Family: OmJfa4pdRVd
Detections (6 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Ransomware.Somhoveran-9870372-0
- Detect It Easy (packer/type): DIE:Turbo Linker
- Microsoft Defender: Trojan:Win32/Vindor!pz
- Emsisoft (Emergency Kit): Gen:Trojan.ShellHook.omJfa4pdRVd
- Kaspersky (KVRT): Worm.Win32.Wenper.b
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 8 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 (Somhoveran): crypto.dll - dynamic signal, weight 0.62, confidence 0.90
- 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 18 external host(s) at runtime (18 HTTP) - network signal, weight 0.40, confidence 0.80
- Detect It Easy (packer/type) flagged DIE:Turbo Linker (rule
DIE:Turbo Linker) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: UPX, high-entropy-sections:UPX1, Turbo Linker - 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)
313 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
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Windows\System32\crypto.dll -
7e988458c402da6b4cf31822c0606446bcaf709ea7dc19aabb04145b9e15e9b7 - C:\Windows\System32\lcss.exe -
adf9a6bc30310306aae64e4ac466aeed263c6eb029b6bba7c45a41ff09980ec5 - C:\Windows\System32\wlogon.dll -
9e834085647ae7b73f202dfae8e132d29242a4e11bb1d3845c1910b92accf37e - C:\Windows\System32\net.cpl -
6e0b9c9a37ad48be03343ed3a2c487b6c2046ae0406f8fb0ebf70084f3154db8
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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787637200&P2=404&P3=2&P4=O7dExPkwwu20XK%2fCR4utfuktuAG85lZgyLgOjUqxkRSYu2REqhIQOscPI%2bdx%2bGAXimWAaIVp98Qi9J7oF0KUgg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/45cd9142-6feb-4946-89e7-63e58fada30a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/45cd9142-6feb-4946-89e7-63e58fada30a?P1=1787637238&P2=404&P3=2&P4=IS7AvBFzIbhl%2bj5ZgkEFaYWTHZF9DmMiKHMbzI7R5G00mcKl11Q7cbTchSz2A1FcOz4ydyh8UGOCoQOAR0B2Ow%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 4.150.223.115
- 52.230.60.54
- 4.230.171.124
- 85.210.196.11
- 74.179.71.159
- 135.233.95.144
- 135.232.92.97
- 20.184.175.18
- 203.26.79.13
- 20.236.44.162
- 52.123.128.14
- 40.84.85.40
- 135.234.160.244
- 74.178.232.29
- 52.148.114.188
- 52.110.12.40
- 72.154.7.99
- 52.110.12.11
More OmJfa4pdRVd samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report