MALICIOUS — 7e2f78e32b202454d4a4e1c3d47569c790c5c6c68f56c0afd5d5acef7c24f5af
MALICIOUS — 7e2f78e32b202454d4a4e1c3d47569c790c5c6c68f56c0afd5d5acef7c24f5af 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:
7e2f78e32b202454d4a4e1c3d47569c790c5c6c68f56c0afd5d5acef7c24f5af - SHA-1:
941405b7a9de9e6d452cfc4c90f35b8703a3cb3c - MD5:
7715dfd4f5adecdc7328a6d5a8a8a599 - imphash:
b806352ebc796e5060cd13bc5e12711d - ssdeep:
1536:0/l0cc6BnnOB+dGrNjjmJ2NuKuFr1M5B4QbCcIsO:X6BnOB++jOWRO - TLSH:
T1533B91D40CE8D0A1CEA497878E4529FC058EEDABB222507419C9AA1BD7C21FF507E15F - Submitted as: 7e2f78e32b202454d4a4e1c3d47569c790c5c6c68f56c0afd5d5acef7c24f5af
- File type: pe · Size: 102400 bytes
- Verdict: malicious (100/100) · Family: Vobfus
Detections (5 of 56 engines)
- ClamAV (daily): Win.Trojan.Changeup-6169544-0
- Microsoft Defender: Worm:Win32/Vobfus.EH
- Emsisoft (Emergency Kit): Gen:Variant.Pronny.7
- Trellix Stinger (McAfee): W32/Autorun.worm.ru
- Kaspersky (KVRT): Trojan.Win32.Jorik.Vobfus.ahog
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 13 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) 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.EH (rule
Worm:Win32/Vobfus.EH) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Gen:Variant.Pronny.7 (rule
Gen:Variant.Pronny.7) - 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.Jorik.Vobfus.ahog (rule
Trojan.Win32.Jorik.Vobfus.ahog) - 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 4 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 - Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
48355 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.spansearcher.net
- ns1.spinsearcher.org
- ns1.player1352.net
- c.pki.goog
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
- default.exp-tas.com
- ctldl.windowsupdate.com
- update.googleapis.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- officeclient.microsoft.com
- windows.msn.com
Dropped files
- C:\Users\analyst\zaocut.exe -
73cd7fc2c4e47d847e227236e0db658d5e4ea2d86a04c4481c7b2c5e9e1ed8f0 - 4db03f61de791ec3418ce956a46076b894bb2782da9b769626e589adb2441f20 -
4db03f61de791ec3418ce956a46076b894bb2782da9b769626e589adb2441f20 - b33a20c6265ba57b7eb767b1b4b15238050f9109c1ed08b786f304f46cb7bc95 -
b33a20c6265ba57b7eb767b1b4b15238050f9109c1ed08b786f304f46cb7bc95 - 27ac06c66fac9df9d015ce50b88d36e2b474a0a65509fa60126ee6dad42c3d3e -
27ac06c66fac9df9d015ce50b88d36e2b474a0a65509fa60126ee6dad42c3d3e
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/afb4c1e7-5ab6-4274-bbe6-fa4639876844/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/afb4c1e7-5ab6-4274-bbe6-fa4639876844?P1=1787350513&P2=404&P3=2&P4=hPXnleCiB9KFQ4NRbqYeeghmod3YwFu3rr9u1dSWiMPau3fH8ayNmoxsXeGYw0HQYtbTaDTHKbjAVSOC%2b0lU%2bA%3d%3d&cacheHostOrigin=tlu.dl.delivery.mp.microsoft.com
- 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
- 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
- ns1.spansearcher.net
- ns1.spinsearcher.org
- ns1.player1352.net
- x1.c.lencr.org
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
- default.exp-tas.com
Embedded IP addresses
- 20.42.72.131
- 52.123.252.194
- 20.42.179.192
- 4.230.171.124
- 172.215.188.232
- 74.179.77.204
- 20.165.94.54
- 4.150.223.112
- 52.253.84.76
- 104.18.33.89
- 4.247.188.224
- 52.110.12.47
- 52.110.12.14
- 48.199.12.1
- 51.105.71.136
- 4.150.223.110
- 172.178.240.161
- 203.26.79.13
- 51.132.193.105
- 20.89.1.13
- 20.42.65.89
- 135.234.160.246
- 52.148.114.188
- 172.172.255.217
- 52.110.12.8
File paths
- C:\Program
- C:\Windows\system32;C:\Windows\system;
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report