MALICIOUS — fcb034024b90412b67fa9468dc25f6676f8804098a87216d9cd2b78a85a10870
MALICIOUS — fcb034024b90412b67fa9468dc25f6676f8804098a87216d9cd2b78a85a10870 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100). 5 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
fcb034024b90412b67fa9468dc25f6676f8804098a87216d9cd2b78a85a10870 - SHA-1:
30a8cbaa6dc02618554840515c7e8a81b6c0a95f - MD5:
9e7594073f8d7a6f025f3cfce26a693a - imphash:
e8c56ceba04f54b5a48a3994788c0cd5 - ssdeep:
768:zp8becN6TfGbBVJ14enGamr4YV7RiLklI9MMkkFXUG8sWEMg5blICkNnT2NoOLr:z+B5Rabaja3ataQ5qOBHyi9Zx0kl4 - TLSH:
T19D44B9E8A044F11AEA15F18C550AC5CE5D8DCE44D648D8867CBF8B4B37E131BD8988EC - Submitted as: fcb034024b90412b67fa9468dc25f6676f8804098a87216d9cd2b78a85a10870
- File type: pe · Size: 249856 bytes
- Verdict: malicious (100/100)
Detections (5 of 56 engines)
- ClamAV (daily): Win.Trojan.VB-1326
- Microsoft Defender: Worm:Win32/Vobfus!pz
- Emsisoft (Emergency Kit): Gen:Variant.Barys.3667
- Trellix Stinger (McAfee): Downloader-CJX.gen.j
- Kaspersky (KVRT): Trojan.Win32.VBKrypt.csjv
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 12 weighted signals:
- ClamAV (daily) flagged Win.Trojan.VB-1326 (rule
Win.Trojan.VB-1326) - 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!pz (rule
Worm:Win32/Vobfus!pz) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Gen:Variant.Barys.3667 (rule
Gen:Variant.Barys.3667) - engine signal, weight 0.55, confidence 0.85 - Trellix Stinger (McAfee) flagged Downloader-CJX.gen.j (rule
Downloader-CJX.gen.j) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged Trojan.Win32.VBKrypt.csjv (rule
Trojan.Win32.VBKrypt.csjv) - 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 1 external host(s) and 18 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
- 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)
67709 behavior events · 3 ATT&CK techniques · 7 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- ns1.player1523.com
- ns1.videoall.net
- ns1.mediashares.org
- 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
- settings-win.data.microsoft.com
- licensing.mp.microsoft.com
- config.edge.skype.com
- officeclient.microsoft.com
Dropped files
- C:\Users\analyst\muaqe.exe -
3006ca841acb57e32f98fde2f97d090e2d62de6a00d863959fe5067731245646 - eb98c7827b49696311079ed17cfd095367ee84b5ec3fc76f68ac2275f1f2214f -
eb98c7827b49696311079ed17cfd095367ee84b5ec3fc76f68ac2275f1f2214f - fb5a7e5d7b7e97e5399fe0f08f0f6e27b2bfee88a9488e3f3d19f29aa3722b03 -
fb5a7e5d7b7e97e5399fe0f08f0f6e27b2bfee88a9488e3f3d19f29aa3722b03 - 2ef9403547ae9e9ead0d7339435946cd0baaefda90c54a6e23e56e5fed161135 -
2ef9403547ae9e9ead0d7339435946cd0baaefda90c54a6e23e56e5fed161135 - 872a583c679b6ac5b9942a9011a096b96e460f44ef10de31204bf242bdba0a2d -
872a583c679b6ac5b9942a9011a096b96e460f44ef10de31204bf242bdba0a2d - d5181fd33b50dec7907fa0074bae90c860048f507110e868238029d791300b3d -
d5181fd33b50dec7907fa0074bae90c860048f507110e868238029d791300b3d - db463d62a3d3c55323818bb24ac79a022d64626f43036a63d5ee634a28980582 -
db463d62a3d3c55323818bb24ac79a022d64626f43036a63d5ee634a28980582
Embedded URLs
- 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/
- http://203.26.79.13/filestreamingservice//files/6c2dbffa-872a-4f74-b39c-0ab782eea5bf/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/6c2dbffa-872a-4f74-b39c-0ab782eea5bf?P1=1787354299&P2=404&P3=2&P4=ElLaAGSqvHE%2fud1oOy9cHTUmePvNSsovOeUG0kb6%2bBU6%2b%2bMYS0cpPMllI2X7kLzG0p4YKwEcdFNAK2Q5UFj2GA%3d%3d&cacheHostOrigin=tlu.dl.delivery.mp.microsoft.com
Embedded domains
- ns1.player1523.com
- ns1.videoall.net
- ns1.mediashares.org
- x1.c.lencr.org
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
Embedded IP addresses
- 20.184.175.2
- 20.42.179.204
- 52.253.84.76
- 52.123.252.247
- 57.154.63.210
- 4.230.171.124
- 172.64.154.167
- 74.178.240.61
- 4.150.223.108
- 135.232.92.97
- 135.233.95.144
- 135.233.45.221
- 20.42.65.89
- 172.175.111.170
- 52.148.114.188
- 203.26.79.13
- 72.145.35.105
- 52.110.12.11
- 52.110.12.30
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report