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Overview

overview

7

Static

static

3

5f4d7eca1a...2c.exe

windows7-x64

7

5f4d7eca1a...2c.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/03/2024, 15:01

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General

  • Target

    5f4d7eca1a89fa59590c55535a6f129e42c9644c30b64f22f3e134c51f530c2c.exe

  • Size

    197KB

  • MD5

    1423f82221930912c20f8d6fe1153529

  • SHA1

    660a1718536792b6b51a1d040e085b95bab18b63

  • SHA256

    5f4d7eca1a89fa59590c55535a6f129e42c9644c30b64f22f3e134c51f530c2c

  • SHA512

    a5b74244dbce3ee4142a70b378f95250a63f26a4879d8de44e23ac734d91d4ce5688dc1cf4f1d3b0559de9a41404dc128d4182e868509bc04c7106a1fbc116d0

  • SSDEEP

    6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOD:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXX6

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f4d7eca1a89fa59590c55535a6f129e42c9644c30b64f22f3e134c51f530c2c.exe
    "C:\Users\Admin\AppData\Local\Temp\5f4d7eca1a89fa59590c55535a6f129e42c9644c30b64f22f3e134c51f530c2c.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3432
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\5F4D7E~1.EXE > nul
      2⤵
        PID:4556
    • C:\Windows\Debug\jkmhost.exe
      C:\Windows\Debug\jkmhost.exe
      1⤵
      • Executes dropped EXE
      • Checks processor information in registry
      PID:2208

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\debug\jkmhost.exe
      Filesize

      197KB

      MD5

      37a10a21849d84255d2c755508ceda6b

      SHA1

      ee4a8f26ec285fd91542db1fb5d88fbbf9ddc61e

      SHA256

      07385220071438687266ad3d8931fe71040554e27d3a57261259799d108d2727

      SHA512

      ca2b8edacf62bd3a4dd9bd75513d2c88dfed1796660da2d62e16fb9dc68da7f31770d5c289cd00b81739bd7b316cf7db1c1dd477f08656f26bed4eac3e2188dc

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