MALICIOUS — 27e7be153277005583350108ccf22e3ade2b07bc0ed1155db6ba252f916f4321
MALICIOUS — 27e7be153277005583350108ccf22e3ade2b07bc0ed1155db6ba252f916f4321 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Krucky family. 6 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
27e7be153277005583350108ccf22e3ade2b07bc0ed1155db6ba252f916f4321 - SHA-1:
34bda462c7a5376104e38558f5b5976cb70f0f16 - MD5:
6ccd7540d4ca8d639f68d556d0935404 - imphash:
87bed5a7cba00c7e1f4015f1bdae2183 - ssdeep:
3072:UZegVckL3vI+eOUE/LWQTIITheOpYJ3u7:UZbL3vTX6QkUMVJ3u7 - TLSH:
T1223B122C28D32585D6E28EB2862A5F7CF7A30D05381291729706299FC5C523BD31FD6A - Submitted as: 27e7be153277005583350108ccf22e3ade2b07bc0ed1155db6ba252f916f4321
- File type: pe · Size: 107008 bytes
- Verdict: malicious (98/100) · Family: Krucky
Detections (6 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:kkrunchy
- ClamAV (daily): Win.Packed.Krucky-6941986-0
- Detect It Easy (packer/type): DIE:kkrunchy
- Microsoft Defender: Trojan:Win32/Krucky!pz
- Emsisoft (Emergency Kit): Gen:Packer.Krucky.B.geW@aGij6f
- Kaspersky (KVRT): HEUR:Trojan.Win32.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 8 weighted signals:
- ClamAV (daily) flagged Win.Packed.Krucky-6941986-0 (rule
Win.Packed.Krucky-6941986-0) - engine signal, weight 0.90, confidence 0.95 - 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 28 external host(s) at runtime (30 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1082 - dynamic signal, weight 0.40, confidence 0.75
- Detect It Easy (packer/type) flagged DIE:kkrunchy (rule
DIE:kkrunchy) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: high-entropy-sections:kkrunchy, kkrunchy - 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)
13033 behavior events · 2 ATT&CK techniques · 1 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
- twitter.com
- www.virustotal.com
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
Dropped files
- 49921cdfaf3032384821c72bb4e99a228881d8a872c2ec472b7242d019fb2e0e -
49921cdfaf3032384821c72bb4e99a228881d8a872c2ec472b7242d019fb2e0e
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://www.virustotal.com/vtapi/v2/file/scan
- http://twitter.com/pidoras6
- 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=1787787954&P2=404&P3=2&P4=PzMQNWXi9mYN3shCN44VlZqcL8g4SXXHVM4GeuhcewUtiGQldLg01hWOZE3aC9EWpHlX7eju62VOeSc8HPJuNg%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=1787787982&P2=404&P3=2&P4=VsXv6Lt5UWY8B8U%2bGijSmZZ7%2fgB05e%2fCy8y2jeuy0Iuk14EmLbCAHFQkEFSSkHXWhRm3v7jfgTTtIKIAcsWXFg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787184674&P2=404&P3=2&P4=ECcKknV2n7wB4nvVS84OaPt67oNnS7CQIk37QLtpf7pS1rd439qxSgHP4zpR5s2BjcRsFlH4C2EX5J4QKYxcqg%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787184285&P2=404&P3=2&P4=PisAkoXpdFKIfcSaMV0DcDgKt5PifjsIea884mhsuvTJ0L7OvYXM75eVh2Hahe5G0o%2b%2f0H6KisgisgYATSDhKw%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- 3w.ru
- www.virustotal.com
Embedded IP addresses
- 4.150.223.100
- 52.123.252.223
- 52.253.84.76
- 57.155.101.212
- 4.230.171.124
- 74.179.77.204
- 74.178.240.51
- 20.42.65.91
- 92.223.78.30
- 20.231.239.246
- 52.123.128.14
- 52.123.129.14
- 4.150.223.101
- 34.54.88.138
- 172.178.240.161
- 203.26.79.13
- 74.178.76.44
- 51.104.15.253
- 52.148.114.188
- 52.110.12.50
- 52.110.12.1
- 48.199.12.1
- 20.50.73.14
- 72.145.35.97
- 104.46.162.224
More Krucky samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report