MALICIOUS — 6d284adfe17287d48fb26131d5f397ce4383511a954b36f3f645ee0851104012
MALICIOUS — 6d284adfe17287d48fb26131d5f397ce4383511a954b36f3f645ee0851104012 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Zusy family. 6 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
6d284adfe17287d48fb26131d5f397ce4383511a954b36f3f645ee0851104012 - SHA-1:
0912c263050cb7c1d7dcd8ec8a95c73e3d379724 - MD5:
885f52055340cee76468522dac606fbb - imphash:
c9b6c3da312e87a7377bab0dcbaf2d4a - ssdeep:
24576:SypW9SgLNZaOdcTMuUvxIgdS9m7n2nUkz4GdBBP3LE6wplhSn:St9SgLNZa6xIL9m72nUkhlys - TLSH:
T1325433A22A6AADDFD011EB96CA2D151F055359B278696C0E06F6F4FB49281330DF340F - Submitted as: 6d284adfe17287d48fb26131d5f397ce4383511a954b36f3f645ee0851104012
- File type: pe · Size: 1108132 bytes
- Verdict: malicious (98/100) · Family: Zusy
Detections (6 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:
- ClamAV (daily): Win.Malware.Zusy-9781883-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Detect It Easy (packer/type): DIE:Microsoft Linker
- Microsoft Defender: Trojan:Win32/Salgorea.VRR!MTB
- Kaspersky (KVRT): Backdoor.Win32.Salgorea.id
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 7 weighted signals:
- ClamAV (daily) flagged Win.Malware.Zusy-9781883-0 (rule
Win.Malware.Zusy-9781883-0) - engine signal, weight 0.90, confidence 0.95 - 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 19 external host(s) at runtime (17 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 - Detect It Easy (packer/type) flagged DIE:Microsoft Linker (rule
DIE:Microsoft Linker) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: high-entropy-sections:, Microsoft Linker - static signal, weight 0.25, confidence 0.55
Dynamic analysis (windows)
160 behavior events · 1 ATT&CK techniques · 5 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
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\3004.tmp -
e2808bc34efa4d27adb313e1ccb5bff0e56e19083f8f244d0a02806fdc59d00e - ba0945304b6ad0b83a3630a07cfd1a1e59fc8e07523423df4c7a66f4fc3831a8 -
ba0945304b6ad0b83a3630a07cfd1a1e59fc8e07523423df4c7a66f4fc3831a8 - dfac18897f8a9dd1b88f95d21baafdcdecf19992e6a28c4b646858b463090129 -
dfac18897f8a9dd1b88f95d21baafdcdecf19992e6a28c4b646858b463090129 - cdab9660cf25db7302b108a6c280b4af5d8f8d9271b48d554c3e76f34b7a51f2 -
cdab9660cf25db7302b108a6c280b4af5d8f8d9271b48d554c3e76f34b7a51f2 - 6d5688e8c2bc105ab282adf14dda5805c892867d9424bff40902386d98d8e0e2 -
6d5688e8c2bc105ab282adf14dda5805c892867d9424bff40902386d98d8e0e2
Embedded URLs
- http://schemas.microsoft.com/SMI/2005/WindowsSettings
- 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=1787855456&P2=404&P3=2&P4=E7CQKvS4gUcdu43ESaoLIiLZ%2fUVeXYxuq50uKxK0DMTjkLV7kWyXI7QuRqk3QKCXWgHn0NofadAdABWds7cosg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 20.42.73.31
- 52.123.252.248
- 52.123.252.202
- 20.42.179.192
- 4.230.171.124
- 52.230.59.222
- 135.233.95.144
- 74.178.240.51
- 203.26.79.13
- 20.112.250.133
- 52.123.128.14
- 52.123.129.14
- 74.179.71.159
- 135.233.45.221
- 52.148.114.188
- 72.145.35.102
- 52.110.12.50
- 52.123.252.243
- 52.110.12.20
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report