MALICIOUS — a47eca4dc27b719182be1658772b82009b70832511312b9e29de4d6a5d22ed2d
MALICIOUS — a47eca4dc27b719182be1658772b82009b70832511312b9e29de4d6a5d22ed2d is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Vobfus family. 5 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
a47eca4dc27b719182be1658772b82009b70832511312b9e29de4d6a5d22ed2d - SHA-1:
470a9b21900b7201f93370d71c4234a4b65ea3c6 - MD5:
19bb7add6e775d5db7d3b4d5aab587e5 - imphash:
8262fdc48a399d7b8190a3af463a61f7 - ssdeep:
3072:5RaNSIcEGROnFGgPmCXMNKiqMNMZZZZWMkIJxa:Kg9tEMNIMNHYi - TLSH:
T1FC401695FDEDE6B5D165D60789001D6C369EF79AFEAA573423BA490E00D23E3202432C - Submitted as: a47eca4dc27b719182be1658772b82009b70832511312b9e29de4d6a5d22ed2d
- File type: pe · Size: 180224 bytes
- Verdict: malicious (100/100) · Family: Vobfus
Detections (5 of 56 engines)
- ClamAV (daily): Win.Trojan.Vobfus-45
- Microsoft Defender: Worm:Win32/Vobfus.FI
- Emsisoft (Emergency Kit): Gen:Heur.ManBat.1
- Trellix Stinger (McAfee): W32/Autorun.worm.ru
- Kaspersky (KVRT): Trojan.Win32.Vobfus.inz
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 13 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Vobfus-45 (rule
Win.Trojan.Vobfus-45) - engine signal, weight 0.90, confidence 0.95 - 1 behavioral detection(s) across 1 rule(s): Registry Run Key Persistence [high] (rule
tl-run-key) - dynamic signal, weight 0.60, confidence 0.90 - Microsoft Defender flagged Worm:Win32/Vobfus.FI (rule
Worm:Win32/Vobfus.FI) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Gen:Heur.ManBat.1 (rule
Gen:Heur.ManBat.1) - engine signal, weight 0.55, confidence 0.85 - Trellix Stinger (McAfee) flagged W32/Autorun.worm.ru (rule
W32/Autorun.worm.ru) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged Trojan.Win32.Vobfus.inz (rule
Trojan.Win32.Vobfus.inz) - engine signal, weight 0.55, confidence 0.85 - Observed at runtime: Registry Run Key Persistence (T1547.001) (rule
Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 2 external host(s) and 17 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
- Embedded network infrastructure: http://vbnet.mvps.org/index.html, http://www.Planet-Source-Code.com/vb/, http://vb.mvps.org/ - static signal, weight 0.35, confidence 0.60
- 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)
45814 behavior events · 3 ATT&CK techniques · 4 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- ns1.musiczipz.com
- ns1.musicmixa.net
- ns1.musicmixa.org
- ns1.musicmixb.co
- c.pki.goog
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
- ctldl.windowsupdate.com
- update.googleapis.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- www.msn.com
Dropped files
- C:\Users\analyst\yooep.exe -
01df35f60ea0066e05b3c8d4f8b19f0626ee244fd8b904ae0ee35a2b20c7ac40 - 12e92d048404cb2db827f58ce1027445ea4bb61800dff431b0aa81e6997e760e -
12e92d048404cb2db827f58ce1027445ea4bb61800dff431b0aa81e6997e760e - a8c37aaf80b873a49e6b4147baad777c0871f98ec2fcb4dbcc84c1d9f1a63607 -
a8c37aaf80b873a49e6b4147baad777c0871f98ec2fcb4dbcc84c1d9f1a63607 - d08a8c72b308de4a04e20e3ed846a8ebaa05854c8260c33c9efa6caa9dc4b2e2 -
d08a8c72b308de4a04e20e3ed846a8ebaa05854c8260c33c9efa6caa9dc4b2e2
Embedded URLs
- http://vbnet.mvps.org/index.html
- http://www.Planet-Source-Code.com/vb/
- http://vb.mvps.org/
- http://allapi.mentalis.org/apilist/apilist.php
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://c.pki.goog/r/r1.crl
- http://x2.c.lencr.org/
- http://ye.c.lencr.org/
- http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
- http://yr.c.lencr.org/
Embedded domains
- vbnet.mvps.org
- vb.mvps.org
- allapi.mentalis.org
- www.planet-source-code.com
- ns1.musiczipz.com
- ns1.musicmixa.net
- ns1.musicmixa.org
- ns1.musicmixb.co
- x1.c.lencr.org
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
Embedded IP addresses
- 51.105.71.137
- 4.230.171.124
- 4.247.188.233
- 135.233.95.144
- 52.230.60.54
- 20.184.175.23
- 74.178.240.51
- 52.110.12.19
- 52.110.12.11
- 172.178.240.162
- 72.154.7.103
- 52.148.114.188
- 52.110.12.28
- 52.110.12.47
File paths
- C:\Windows\system32\msvbvm60.dll\3
- C:\Program
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report