MALICIOUS — bttvvhv.exe
MALICIOUS — bttvvhv.exe is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Dinwod family. 11 of 55 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
8467f078370062ff3d6016ccaf3a2cd12deec5ac4a2f1ca17bacaedc9a542893 - SHA-1:
a9e0ecfd35f4bf9c2d79f9335f6c1e3ecb94195b - MD5:
904ca099d006aa2abcd572a37173c681 - imphash:
46c7aa7020cb76df8d87fbfa7b84aca2 - ssdeep:
6144:T3cm4FmowdHoS1JdJEJ5JEJ/JEJ2JvJEJ2J/JEJ2J5JEJ2J7J2JEJ2J7JtJEJ2JE:h4wFHoSM6 - TLSH:
T142638373F4165ED9CB09B336844A64ED067339BB08ACE1844612E6467ED4FE339B660C - Submitted as: bttvvhv.exe
- File type: pe · Size: 4913683 bytes
- Verdict: malicious (99/100) · Family: Dinwod
Detections (11 of 55 engines)
- YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
- capa (capabilities): capability:collection/keylog
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Malware.Dinwod-9828955-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
- Detect It Easy (packer/type): DIE:UPX
- Microsoft Defender: Backdoor:MSIL/Bladabindi!pz
- Emsisoft (Emergency Kit): Trojan.Agent.EZHO
- Trellix Stinger (McAfee): Trojan-FPCQ!EE2A74958E59
- Kaspersky (KVRT): Trojan-Dropper.Win32.Dinwod.acqn
MITRE ATT&CK
YARA
- Windows_Injection_Api_Combo
Why this verdict
The malicious score of 99/100 is the fusion of 10 weighted signals:
- ClamAV (daily) flagged Win.Malware.Dinwod-9828955-0 (rule
Win.Malware.Dinwod-9828955-0) - engine signal, weight 0.90, confidence 0.95 - Process injection API combination (rule
Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 21 external host(s) at runtime (21 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 - Detect It Easy (packer/type) flagged DIE:UPX (rule
DIE:UPX) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: UPX, high-entropy-sections:UPX1 - static signal, weight 0.25, confidence 0.55
- Dropped 14 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
- inject code into another process (rule
inject code into another process) - capa signal, weight 0.12, confidence 0.60
Dynamic analysis (windows)
543 behavior events · 0 ATT&CK techniques · 15 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
- config.edge.skype.com
- v20.events.data.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- settings-win.data.microsoft.com
Dropped files
- C:\hblrvfb.exe -
b6500e0137192d819e891ad72ef5f31c52387e138970239a7ebae8219eff7d2f - C:\fnbnljn.exe -
346caf98b228d1a5ba403cf8fb82618f798b643baa825ea2308fad446ccfc597 - C:\hxhjbr.exe -
ad1112b495195b0b0d16b6d87cad7a14f25f705b3b9a966b66183df8d249bba9 - C:\trljr.exe -
cfe20c388ab7540372ade7c6c18f7be933559fa595ef9479c4d4191082d3086e - C:\dndjxld.exe -
c10d76d0450e92173e1cc72ff17e2bf4b1d25fc03ba539f06820f6336a3bb4cc - C:\vfdppnb.exe -
367e64cc61be068e9afaf4028beac9e67f5c879426df8488a9abc93ca0596290 - C:\fttlxph.exe -
88a597306b44f583d7c5b084b3e460f986a93713d973d4c524762fd475e582d7 - C:\lxbht.exe -
14fa1309e7d7487e24751a451d04e02e7b2cb9bc154a9a5aa707f4f68834e52e - C:\bxjxv.exe -
6e9009538473c6dcb14fc657b3a559ef4c72d46558332cc844f52fac4fa4a5fc - C:\lxrhbl.exe -
d2b6ea60cbb8749eef132082843137c0ac390c8a447a958c237b1f3e7c1c3775 - C:\rrtjlv.exe -
a230cfd64b63a77dca04a034d02284b15acc1ca4c8c891c2623008e09627113a - C:\xrvhh.exe -
5a561f52b9f09ebde3117cd2fd50eaaf216d903f4677f5f78ad14d7ab6704f12 - C:\lthfnr.exe -
be61b382c9ac277fe17a4418adaed58e786ec255ba60073dd5e80f79748a04c5 - C:\pfpxhb.exe -
4b6f55c31395f17b75120fad44522a8bbda5a2bc8d2561b864ed26609134cf2b - bfc5ded606fbcab019ca4262eb16556af0eefee1e65a52595194a7b7fa511506 -
bfc5ded606fbcab019ca4262eb16556af0eefee1e65a52595194a7b7fa511506
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=1787695620&P2=404&P3=2&P4=c88IMjNTHbuhrzSHhYajpjnsnp3%2ffVAQRJwYjg12FdFUTB9K9T0OaViqrnWyOO2J7nPmCfszmTvv07UWtpRtrw%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=1787695700&P2=404&P3=2&P4=MredFvB7wuL1Xpx8WKI0ERgaUOysTQrCyMQwEILxqh%2bRn1FdOXjO%2bxvedS3jpGa76M3R6YlX%2bWsQ20nmEPywWw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 52.123.252.227
- 51.116.253.169
- 57.155.101.212
- 52.230.59.222
- 4.230.171.124
- 74.178.76.128
- 20.165.94.54
- 51.11.192.49
- 20.112.250.133
- 52.123.129.14
- 104.208.16.94
- 135.234.160.244
- 203.26.79.13
- 52.148.114.188
- 4.247.188.224
- 74.178.232.29
- 92.223.78.30
- 72.153.5.135
- 135.233.95.80
- 52.110.12.5
- 52.110.12.46
More Dinwod samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report