MALICIOUS — 70db4a07fe355051cd1713b1f9b18655811be71533409c03d681dca0725d68d1
MALICIOUS — 70db4a07fe355051cd1713b1f9b18655811be71533409c03d681dca0725d68d1 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Krucky family. 6 of 52 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
70db4a07fe355051cd1713b1f9b18655811be71533409c03d681dca0725d68d1 - SHA-1:
89517c087ebcf35e42bdad47b0ac647baadefc50 - MD5:
0c0d4bb5fd96344bd08f341081435ed8 - imphash:
87bed5a7cba00c7e1f4015f1bdae2183 - ssdeep:
3072:pZegVckL3vI+eOUE/LWQTIITheOpYJ3u7:pZbL3vTX6QkUMVJ3u7 - TLSH:
T12C3B122C28D32585D6E28EB2862A5F7CF7A30D05381291729706299FC5C523BD31FD6A - Submitted as: 70db4a07fe355051cd1713b1f9b18655811be71533409c03d681dca0725d68d1
- File type: pe · Size: 107008 bytes
- Verdict: malicious (99/100) · Family: Krucky
Detections (6 of 52 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:kkrunchy
- ClamAV (daily): Win.Packed.Krucky-6941986-0
- Detect It Easy (packer/type): DIE:kkrunchy 0.23 alpha 2
- Microsoft Defender: Trojan:Win32/Krucky!pz
- Emsisoft (Emergency Kit): Gen:Packer.Krucky.B.geW@aWE6M8o
- Kaspersky (KVRT): HEUR:Trojan.Win32.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 9 weighted signals:
- ClamAV (daily) flagged Win.Packed.Krucky-6941986-0 (rule
Win.Packed.Krucky-6941986-0) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 3 finding(s), e.g. RWX/private injected region in tsk_ae917c9630 (pid 9208) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, 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 61 external host(s) at runtime (23 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 0.23 alpha 2 (rule
DIE:kkrunchy 0.23 alpha 2) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: high-entropy-sections:kkrunchy, kkrunchy 0.23 alpha 2 - 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)
2645 behavior events · 2 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- twitter.com
- www.virustotal.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- licensing.mp.microsoft.com
- officeclient.microsoft.com
- www.bing.com
Dropped files
- 4ab776a5ec87eeb864dc42f5dc6e4479e8f3ee3c6db0498f8d9e4e6d41103359 -
4ab776a5ec87eeb864dc42f5dc6e4479e8f3ee3c6db0498f8d9e4e6d41103359
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://twitter.com/pidoras6
- http://www.virustotal.com/vtapi/v2/file/scan
Embedded domains
- 3w.ru
- www.virustotal.com
Embedded IP addresses
- 20.42.73.26
- 20.247.184.197
- 4.230.171.124
- 52.110.12.5
- 74.179.77.204
- 48.211.4.16
- 20.42.73.24
- 20.236.44.162
- 135.233.45.221
- 34.54.88.138
- 162.159.140.229
- 20.231.239.246
- 20.42.65.90
- 172.178.240.161
- 172.215.188.225
- 4.150.223.103
- 52.123.252.227
- 85.210.193.152
- 40.103.64.226
- 52.123.252.242
- 4.247.188.233
- 74.179.77.164
- 52.123.128.14
- 162.159.142.9
- 52.123.252.241
More Krucky samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report