MALICIOUS — 7112d14672eab85efa8d73ec4279ab8a5d8c34529d9a9e975cbcda3b85101ac4
MALICIOUS — 7112d14672eab85efa8d73ec4279ab8a5d8c34529d9a9e975cbcda3b85101ac4 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Amhfbyrbndc family. 8 of 55 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
7112d14672eab85efa8d73ec4279ab8a5d8c34529d9a9e975cbcda3b85101ac4 - SHA-1:
27cc6efda78f6c6b7ce6a0f323c84e414146aeae - MD5:
cfced18c1ee8298271c591f7fdc313d9 - imphash:
0c75723fedd9c27bef321a9d944591c8 - ssdeep:
384:fo9q5pG7Vbjz0QhuvmtSh/6kTMklKBcdDtI7JliSwlmerfVjuujQA+CJweBBuM/:GqDSbP0w+mFko/B8I7JUSiVfVyLA+KKY - TLSH:
T10E28CFA001D282A9DBFFC42E3561B31F0896F51C6923CD986DAD1B9A2CED5F314D3642 - Submitted as: 7112d14672eab85efa8d73ec4279ab8a5d8c34529d9a9e975cbcda3b85101ac4
- File type: pe · Size: 17034 bytes
- Verdict: malicious (99/100) · Family: Amhfbyrbndc
Detections (8 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Malware.Amhfbyrbndc-9891057-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Detect It Easy (packer/type): DIE:Microsoft Linker
- Microsoft Defender: Trojan:Win32/Androm!pz
- Emsisoft (Emergency Kit): Gen:Trojan.Heur.D.bmHfbyRbNDc
- Trellix Stinger (McAfee): Agent-FQY!CFCED18C1EE8
- Kaspersky (KVRT): HEUR:Trojan.Win32.Agent.gen
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 10 weighted signals:
- ClamAV (daily) flagged Win.Malware.Amhfbyrbndc-9891057-0 (rule
Win.Malware.Amhfbyrbndc-9891057-0) - 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 32 external host(s) at runtime (27 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 - communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60 - Packing/obfuscation: UPX, high-entropy-sections:UPX1, Microsoft Linker - static signal, weight 0.25, confidence 0.55
- Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
276 behavior events · 2 ATT&CK techniques · 2 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
- test.besthotel360.com
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- settings-win.data.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\fXkrfNtM.exe -
918dc760af044e6cd029e7b3fd2a6328c417f27a5b8f36ccfd717c749e43dda8 - 1b6f449fa97265c828a97b3eb550d2210a6391bd40b52bb288a69e176c79c35d -
1b6f449fa97265c828a97b3eb550d2210a6391bd40b52bb288a69e176c79c35d
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=1787854542&P2=404&P3=2&P4=OM5uZ4SRnMMTeH%2fuzE492rPNpJxfUhb1TLF7YDV8FzlZNcT9pon2x7upjI305YiDOGYDu3YTwFkj3%2bnPVicN%2bA%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
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787854566&P2=404&P3=2&P4=gsGo1EjyJOe%2btdxEyHz%2fDGqYIGNw1r%2bmk0vcGuDIKKGYasKe51qlfN%2bjeJ4OmulQwslX9yA5HZa42BBLDeNkXw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787251268&P2=404&P3=2&P4=cn4DT8odTKGew82UemQweKtdh3KInrA9p1hmtFYgWY3OSP%2fqQ6Y8h1cYDlFaAeAa1y1wpMRhaT%2fozU6AEN4chQ%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787250836&P2=404&P3=2&P4=N%2fbARd%2b74UJb73fNs4kn5tbwGU16H91IwqJLJJHkFAauZuF5QvB5w9TuAwlMFZDK6E2HTwf3Y6rt%2bpOV3P%2fplw%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- test.besthotel360.com
Embedded IP addresses
- 52.168.117.170
- 85.210.196.11
- 4.230.171.124
- 20.247.185.124
- 135.233.95.80
- 74.179.77.204
- 135.232.92.97
- 4.150.223.96
- 203.26.79.13
- 74.178.76.128
- 52.123.252.198
- 20.42.65.91
- 20.231.239.246
- 40.104.4.2
- 52.123.129.14
- 40.103.64.242
- 172.66.2.5
- 172.178.240.162
- 52.148.114.188
- 52.110.12.5
- 52.110.12.53
- 20.184.175.6
- 4.150.223.107
- 72.145.35.97
- 135.234.160.245
More Amhfbyrbndc samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report