MALICIOUS — 988823264aa0956473ed0d331d002295b14408ef2911758346d5ca1ec68dc3be
MALICIOUS — 988823264aa0956473ed0d331d002295b14408ef2911758346d5ca1ec68dc3be is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the ShellHook family. 7 of 51 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
988823264aa0956473ed0d331d002295b14408ef2911758346d5ca1ec68dc3be - SHA-1:
8cd9fe09bc8aa9bf8e1bcd9c4eca36b6fbcb42c7 - MD5:
7bddf9d346e541dcc744db64919bc4f7 - imphash:
f0686191b2a23d7883c0044f89189c81 - ssdeep:
3072:fj9mD4Pa78AgZUUeXVHI2uza789rTIz5hKDwLW4EN:fjYD4PawAJ1VI2sa7qOEJN - TLSH:
T1253ECF6A62015996E733CEB20DA45F0C05B396B2C1BE1C4C8267D11D29F7CB3B7191AE - Submitted as: 988823264aa0956473ed0d331d002295b14408ef2911758346d5ca1ec68dc3be
- File type: pe · Size: 136704 bytes
- Verdict: malicious (100/100) · Family: ShellHook
Detections (7 of 51 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Malware.Zusy-9654284-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
- Microsoft Defender: Backdoor:Win32/Gobot!pz
- Emsisoft (Emergency Kit): Gen:Trojan.ShellHook.iqY@amCGWLe
- 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.Malware.Zusy-9654284-0 (rule
Win.Malware.Zusy-9654284-0) - engine signal, weight 0.90, confidence 0.95 - Dropped a malicious payload (Zusy): b6cba9468d47872347babba7c0ccdaa206c1db96c8d6aae2714e5296d9fdfd61 - dynamic signal, weight 0.80, 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 38 external host(s) at runtime (22 HTTP) - network signal, weight 0.40, confidence 0.80
- YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70 - YARA: MalwareAnalyser community pack flagged TL_Shellcode_VirtualAlloc_Exec (rule
TL_Shellcode_VirtualAlloc_Exec) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: UPX - 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
- desktop-hsgcbep
- v20.events.data.microsoft.com
- settings-win.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- /opt/CAPEv2/storage/analyses/27626/files/b6cba9468d47872347babba7c0ccdaa206c1db96c8d6aae2714e5296d9fdfd61 -
b6cba9468d47872347babba7c0ccdaa206c1db96c8d6aae2714e5296d9fdfd61 - /opt/CAPEv2/storage/analyses/27626/files/da1810969fb8966466812c74b827a3b9bb5b231dab585ad00261bf1b27c5f79f -
da1810969fb8966466812c74b827a3b9bb5b231dab585ad00261bf1b27c5f79f - /opt/CAPEv2/storage/analyses/27626/files/045ab1a87a1e4c4a1d21c83e9c2063da927c4d6eae639cf539c51ccce9bdbf1c -
045ab1a87a1e4c4a1d21c83e9c2063da927c4d6eae639cf539c51ccce9bdbf1c - /opt/CAPEv2/storage/analyses/27626/files/7ccadc9a2aa535e95aa17ddd8f056feea6a7574c9b26d9569740fa69a770d4b4 -
7ccadc9a2aa535e95aa17ddd8f056feea6a7574c9b26d9569740fa69a770d4b4
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=1786998199&P2=404&P3=2&P4=aM3hFJu1KkOIPCYyld6tsc7jmws1Stj1oASr7NUPxg5tYoKAq%2bVELEqGW45GGvXIExrBG2D8lFCSlcLWTF14Yg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 20.42.65.93
- 4.247.188.224
- 4.230.171.124
- 20.247.184.142
- 135.233.95.144
- 57.154.63.210
- 74.178.76.54
- 20.52.64.200
- 85.210.193.152
- 4.150.223.112
- 20.76.201.171
- 52.123.128.14
- 74.179.71.159
- 162.159.142.9
- 203.26.79.13
- 135.234.160.245
- 52.148.114.188
- 52.110.12.44
- 52.110.12.38
- 72.153.5.137
File paths
- C:\unm0ve.txt
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report