MALICIOUS — 29a4bf4f2b2fe003e65424d86e857117f48a3c64865a843cd722a72f8efe4eda
MALICIOUS — 29a4bf4f2b2fe003e65424d86e857117f48a3c64865a843cd722a72f8efe4eda is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Wacatac family. 4 of 55 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
29a4bf4f2b2fe003e65424d86e857117f48a3c64865a843cd722a72f8efe4eda - SHA-1:
1c4d7153a20f961851aef76c5139ec382fb257fc - MD5:
b03c8cf9d75f0ad38bbc1befe7f28421 - imphash:
aa2f9f78a61416c2f76c978336504938 - ssdeep:
24576:fNK8jAayseqVTsrmbbfT3xziKFwYiRn/:fFkay05srUJiK+YiRn/ - TLSH:
T1A052F1F859366200F972FF66A9507F7F2022A0CD55BA55CC7283D09F1B67CEBA020259 - Submitted as: 29a4bf4f2b2fe003e65424d86e857117f48a3c64865a843cd722a72f8efe4eda
- File type: pe · Size: 939520 bytes
- Verdict: malicious (99/100) · Family: Wacatac
Detections (4 of 55 engines)
- ClamAV (daily): Win.Ransomware.Criakl-6808020-0
- Microsoft Defender: Trojan:Win32/Wacatac.B!ml
- Emsisoft (Emergency Kit): Trojan-Ransom.Cryakl
- Kaspersky (KVRT): HEUR:Trojan.Win32.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 8 weighted signals:
- ClamAV (daily) flagged Win.Ransomware.Criakl-6808020-0 (rule
Win.Ransomware.Criakl-6808020-0) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 4 finding(s), e.g. process hollowing in tsk_5044c256f0 (pid 6392) (rule
windows.hollowprocesses.HollowProcesses) - memory signal, weight 0.70, confidence 0.85 - 2 behavioral detection(s): Credential Access: browser credential store read [high] (rule
tl-browser-credential-access) - dynamic signal, weight 0.60, confidence 0.90 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 28 external host(s) at runtime (24 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1082 - dynamic signal, weight 0.40, confidence 0.75
- enumerate processes (rule
enumerate processes) - capa 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)
1571 behavior events · 2 ATT&CK techniques · 3 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
- binacoirel.com
- ip-api.com
- 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
Dropped files
- C:\ProgramData\DJWHICMBXP3RD46NV2K8\AU_ab660755-d08b-4cfb-a287-cc9c247bc21e7389681434.zip -
1e34034a7067665d7f75306b2e8c87710de2830ce29e008f6385931af9a309a8 - C:\ProgramData\DJWHICMBXP3RD46NV2K8\files\information.txt -
6fcd03690a1e1e91ed8c05bbb9b109e15441720703b7ba87205245fdce02bb3e - d81db5049c394865a1f8af6de8ea8888c1b94a37a5a663a8a2459ce3ba03e9bf -
d81db5049c394865a1f8af6de8ea8888c1b94a37a5a663a8a2459ce3ba03e9bf
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/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=1787844965&P2=404&P3=2&P4=Ts8LG1920EGqGz9aFjMTdQ6BcRbqnVx2RCMCIaLvfjnZa4EN3z2%2b5nJrzO%2fSvCiFAOcQKmvMG%2bPMN4fZZNhgOA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://ip-api.com/line/
- 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=1787845001&P2=404&P3=2&P4=ftd9T9Eu4X1vl5Nx0OLD2CWmdmnhi4zuVRZN73OnhSSYi8DbIZsxYLD2%2bIMYkBkZbmP3khFHXsjwNVURkPJqnA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- binacoirel.com
- ip-api.com
Embedded IP addresses
- 20.42.65.93
- 4.230.171.124
- 52.253.84.76
- 85.210.193.152
- 57.155.101.212
- 74.178.76.128
- 74.179.77.164
- 51.105.71.136
- 4.150.223.104
- 52.123.129.14
- 20.231.239.246
- 52.123.128.14
- 40.104.4.2
- 203.26.79.13
- 135.234.160.245
- 135.233.45.223
- 74.178.76.44
- 52.110.12.24
- 52.110.12.26
- 52.148.114.188
- 172.66.2.5
- 72.145.35.105
- 4.150.223.108
- 92.223.78.30
- 45.125.247.123
File paths
- C:\Cpp\VS17\pchild14\pchild14\Release\Pchild14.pdb
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report