MALICIOUS — mk_v2.exe

MALICIOUS — mk_v2.exe is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Mimikatz family. 5 of 38 detection engines flagged it, exhibiting 5 ATT&CK techniques.

Identification

• SHA-256: 6d6dc56f3b222693811a05ed35608aa58d08881ce557e40c9ec93f63123d9359
• SHA-1: 5df23c2288800791eaeba16277c8c5033471249f
• MD5: 38c95fd20ef80138759a772458a6a514
• imphash: 54ccad29800146a9484fc134da861841
• ssdeep: 24576:0CgjBAeu8iuUHGzkuBhzy2F+yVICFPC27rIlve3NuacODvsGW:0CI7XBE2IuF64rIlmdiiq
• TLSH: T1B756189C8B5F1211D2BACD74BC6195ED8476F0A85079FBAC0E03CA7A8490133DDF25A6
• Submitted as: mk_v2.exe
• File type: pe · Size: 1355286 bytes
• Verdict: malicious (100/100) · Family: Mimikatz

Detections (5 of 38 engines)

• YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
• capa (capabilities): inject code into another process
• ClamAV (daily): Win.Dropper.Mimikatz-9778171-1
• Microsoft Defender: HackTool:Win32/Mimikatz!pz
• Emsisoft (Emergency Kit): Trojan.HackTool.Mimikatz.1

MITRE ATT&CK

• T1055
• T1555
• T1003
• T1547.001
• T1486

YARA

• Windows_Injection_Api_Combo
• Generic_Credential_Theft_Strings

Why this verdict

The malicious score of 100/100 is the fusion of 9 weighted signals:

• ClamAV (daily) flagged Win.Dropper.Mimikatz-9778171-1 (rule Win.Dropper.Mimikatz-9778171-1) - engine signal, weight 0.90, confidence 0.95
• Process injection API combination (rule Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90
• References to browser/OS credential stores (rule Generic_Credential_Theft_Strings) - yara signal, weight 0.60, confidence 0.90
• Microsoft Defender flagged HackTool:Win32/Mimikatz!pz (rule HackTool:Win32/Mimikatz!pz) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Trojan.HackTool.Mimikatz.1 (rule Trojan.HackTool.Mimikatz.1) - engine signal, weight 0.55, confidence 0.85
• inject code into another process (rule inject code into another process) - capa signal, weight 0.50, confidence 0.80
• access stored credentials (rule access stored credentials) - capa signal, weight 0.50, confidence 0.80
• persist via registry run key (rule persist via registry run key) - capa signal, weight 0.35, confidence 0.60
• encrypt data (rule encrypt data) - capa signal, weight 0.30, confidence 0.60

Dynamic analysis (windows)

1 behavior events · 0 ATT&CK techniques · 0 dropped files.

Runtime network

• none

Embedded URLs

• https://blog.gentilkiwi.com/mimikatz
• https://pingcastle.com
• https://mysmartlogon.com
• https://login.microsoftonline.com

Embedded domains

• gentilkiwi.com
• blog.gentilkiwi.com
• gmail.com
• pingcastle.com
• mysmartlogon.com
• login.microsoftonline.com

Embedded IP addresses

• 1.3.6.1
• 2.5.29.17
• 2.5.29.15
• 2.5.29.37
• 2.5.29.14
• 2.5.29.35
• 2.5.29.31
• 2.5.29.19
• 2.5.4.3
• 2.5.4.11
• 2.5.4.10
• 2.5.4.6
• 1.3.14.3
• 5.5.7.3
• 2.5.4.0
• 2.2.0.0

File paths

• c:\windows\system32\spool\drivers\%s
• C:\Windows\ServiceProfiles\LocalService\AppData\Local\Microsoft\Ngc

More Mimikatz samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report