MALICIOUS — 0f5ba30d1e26c31bfa1f88e220fd3c919b73de3979194ca5633261cff30b9413
MALICIOUS — 0f5ba30d1e26c31bfa1f88e220fd3c919b73de3979194ca5633261cff30b9413 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Vobfus family. 6 of 55 detection engines flagged it, exhibiting 5 ATT&CK techniques.
Identification
- SHA-256:
0f5ba30d1e26c31bfa1f88e220fd3c919b73de3979194ca5633261cff30b9413 - SHA-1:
fb92f59e98b9e75a0946cb5de11c9c9b224c9cd4 - MD5:
7699b22f9769900e649ce6a7fa560e27 - imphash:
8880895cb88a48507ea8e143368a5314 - ssdeep:
6144:EBtDib4gfGWcmsQ+/gbG0xlfPpndiVP2qoU:yDXZa+/gbGUXBdiV+E - TLSH:
T10B46F7CD0B9C8484C8568B0B0C846DFDA55FEB4B382A563A608766E795E9CF770F101E - Submitted as: 0f5ba30d1e26c31bfa1f88e220fd3c919b73de3979194ca5633261cff30b9413
- File type: pe · Size: 316416 bytes
- Verdict: malicious (100/100) · Family: Vobfus
Detections (6 of 55 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Trojan.Changeup-6169544-0
- Microsoft Defender: Worm:Win32/Vobfus.FB
- Emsisoft (Emergency Kit): Gen:Variant.Pronny.6
- Trellix Stinger (McAfee): Trojan-FAEI!7699B22F9769
- Kaspersky (KVRT): Trojan.Win32.Jorik.Vobfus.cvtk
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 10 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Changeup-6169544-0 (rule
Win.Trojan.Changeup-6169544-0) - engine signal, weight 0.90, confidence 0.95 - 1 behavioral detection(s): Registry Run Key Persistence [high] (rule
tl-run-key) - dynamic signal, weight 0.60, confidence 0.90 - Memory forensics: 3 finding(s), e.g. process hidden from a listing (rule
windows.psxview.PsXView) - memory 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 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 27 external host(s) at runtime (21 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1082, T1622, T1497.001 - dynamic signal, weight 0.40, confidence 0.75
- 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)
46655 behavior events · 3 ATT&CK techniques · 3 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
- ns1.musiczipz.com
- ns1.musicmixa.net
- ns1.musicmixa.org
- ns1.musicmixb.co
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
Dropped files
- C:\Users\analyst\reerio.exe -
f898a197e9d58c65977261adb4a9746a4adf276f3f9d773b10278f8da5dd34b1 - 71150a8871db3c3380b3c6ab9571e50df94c757a3870d8889a9ba9288f689bb9 -
71150a8871db3c3380b3c6ab9571e50df94c757a3870d8889a9ba9288f689bb9 - 5535aaef0b04a44725a8fb63d4efdebf88187a0328bee728e3cfade9be724f79 -
5535aaef0b04a44725a8fb63d4efdebf88187a0328bee728e3cfade9be724f79
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=1787850674&P2=404&P3=2&P4=jniDSRP3PKWL%2fENtadEOgcgTkAveoDN%2fEMekVf%2fuC%2fnTNHkkLmbCaluWxUHP3%2fCRIISae0Kly0CSOKQq2u4dfg%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=1787850753&P2=404&P3=2&P4=H2iD1R4xkDFaP3tcqrQsNiu8L28lkgtXpNsSSnX%2fiJtzX%2fVsIkVNWq1aOSYqvJ3p9%2fVxFf7OUSq9%2b2Z7PjIrpQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- ns1.musiczipz.com
- ns1.musicmixa.net
- ns1.musicmixa.org
- ns1.musicmixb.co
- oneclient.sfx.ms
Embedded IP addresses
- 52.123.252.195
- 20.184.175.18
- 4.230.171.124
- 4.144.132.114
- 85.210.193.152
- 135.233.95.144
- 4.150.223.111
- 74.178.240.51
- 20.236.44.162
- 52.123.129.14
- 52.123.128.14
- 40.103.64.226
- 51.104.15.253
- 203.26.79.13
- 52.123.252.243
- 74.178.76.44
- 52.123.252.235
- 135.234.160.245
- 52.148.114.188
- 135.233.45.221
- 72.145.35.103
- 20.42.179.192
- 4.150.223.103
- 20.89.1.10
- 172.172.255.216
File paths
- C:\Windows\system32\msvbvm60.dll\3
- C:\Windows\system32\dx7vb.dll
- C:\Program
- C:\Windows\system32\MCI32.oca
More Vobfus samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report