MALICIOUS — 979a37916d7820cd94b20e040832240f0b4df9b91898d6e8397ada8c7a7c7685
MALICIOUS — 979a37916d7820cd94b20e040832240f0b4df9b91898d6e8397ada8c7a7c7685 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the LmJfa4pdRVd family. 5 of 51 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
979a37916d7820cd94b20e040832240f0b4df9b91898d6e8397ada8c7a7c7685 - SHA-1:
ab9cae89c356a59fe280549416644bfbce39f059 - MD5:
79ff1c74301eeb5e981df0064e7ab185 - imphash:
e60d0e6577962a1096407913ed128742 - ssdeep:
3072:IyrN/sVywaEj1Us10nfbyrN/sVywaEj1UsU4zHj5FCwj07soWv3KI7jWfvkKAwLh:Nh9wv1Uveh9wv1UJ4LjXa7Wv317j2Vhn - TLSH:
T1A9411245AA80B0BDE1D1ADD829D4E51EF8B9AF3C0D354D816C834B7AA01C75B748CBC9 - Submitted as: 979a37916d7820cd94b20e040832240f0b4df9b91898d6e8397ada8c7a7c7685
- File type: pe · Size: 191488 bytes
- Verdict: malicious (100/100) · Family: LmJfa4pdRVd
Detections (5 of 51 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Ransomware.Somhoveran-9870372-0
- Microsoft Defender: Trojan:Win32/Vindor!pz
- Emsisoft (Emergency Kit): Gen:Trojan.ShellHook.lmJfa4pdRVd
- Kaspersky (KVRT): Worm.Win32.Wenper.b
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 9 weighted signals:
- ClamAV (daily) flagged Win.Ransomware.Somhoveran-9870372-0 (rule
Win.Ransomware.Somhoveran-9870372-0) - engine signal, weight 0.90, confidence 0.95 - Microsoft Defender flagged Trojan:Win32/Vindor!pz (rule
Trojan:Win32/Vindor!pz) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Gen:Trojan.ShellHook.lmJfa4pdRVd (rule
Gen:Trojan.ShellHook.lmJfa4pdRVd) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged Worm.Win32.Wenper.b (rule
Worm.Win32.Wenper.b) - engine signal, weight 0.55, confidence 0.85 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - 1 behavioral detection(s): Windows Service Installation [medium] (rule
tl-service-install) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 23 external host(s) at runtime (5 HTTP) - network signal, weight 0.40, confidence 0.80
- Packing/obfuscation: UPX, high-entropy-sections:UPX1 - static signal, weight 0.25, confidence 0.55
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
315 behavior events · 2 ATT&CK techniques · 4 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
- 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/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e?P1=1787090641&P2=404&P3=2&P4=HuLT3um2n1qQAgq7XQp0B7Bp1woeB550%2faagtkRe2GCJCICIFcTYjr3af4mqxxA5leYcyoeWxQWQWg6Gf9FFqQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- 23.40.52.209
- 23.11.37.157
- 20.190.142.167
- 172.215.188.232 US · San Antonio · AS8075 Microsoft Limited
- 23.33.238.135
Dropped files
- /opt/CAPEv2/storage/analyses/30654/files/de37f69bb69a970dd0b014d216a37af08154bac66ca8e790252b0b3b08a87b9b -
de37f69bb69a970dd0b014d216a37af08154bac66ca8e790252b0b3b08a87b9b - /opt/CAPEv2/storage/analyses/30654/files/864e1e5d211642401837de381ebe3f86432478f7b240c3882fce3da1d949fff4 -
864e1e5d211642401837de381ebe3f86432478f7b240c3882fce3da1d949fff4 - /opt/CAPEv2/storage/analyses/30654/files/84d7dd92143dfbfa1b3daabf18e71355ab1a8c3c262a3322461c066610fd2757 -
84d7dd92143dfbfa1b3daabf18e71355ab1a8c3c262a3322461c066610fd2757 - /opt/CAPEv2/storage/analyses/30654/files/05ac4b539cc19b359cdbd1410ea38ea43b9278332cdf2a2cbec65eda83830b6f -
05ac4b539cc19b359cdbd1410ea38ea43b9278332cdf2a2cbec65eda83830b6f
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/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e?P1=1787090641&P2=404&P3=2&P4=HuLT3um2n1qQAgq7XQp0B7Bp1woeB550%2faagtkRe2GCJCICIFcTYjr3af4mqxxA5leYcyoeWxQWQWg6Gf9FFqQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 172.215.188.232
- 52.123.252.230
- 4.230.171.124
- 74.179.77.204
- 135.232.92.97
- 203.26.79.13
- 20.236.44.162
- 51.105.71.136
- 52.123.128.14
More LmJfa4pdRVd samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report