Analysis

  • max time kernel
    138s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    29-06-2022 15:16

General

  • Target

    ba4d691fccd7047d36318766d019732807f993f366c0caca600dc8ce6162d5c8.exe

  • Size

    522KB

  • MD5

    82e2fb19440f6f3807094a3094240858

  • SHA1

    1db001a081331504300c33afafb1a36428e6166d

  • SHA256

    ba4d691fccd7047d36318766d019732807f993f366c0caca600dc8ce6162d5c8

  • SHA512

    e9f7aba46904750997955e10f26c4de9eedd5b91c8ee82b12732acf88e8c07003ea4e2878ffc454fdbe298ad4be1e21685160fbd836bac898e51a3044123a155

Score
10/10

Malware Config

Extracted

Family

arkei

Botnet

Default

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba4d691fccd7047d36318766d019732807f993f366c0caca600dc8ce6162d5c8.exe
    "C:\Users\Admin\AppData\Local\Temp\ba4d691fccd7047d36318766d019732807f993f366c0caca600dc8ce6162d5c8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2116
    • C:\Users\Admin\AppData\Local\Temp\WinSec.exe
      C:\Users\Admin\AppData\Local\Temp\WinSec.exe
      2⤵
      • Executes dropped EXE
      PID:4848

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\WinSec.exe
    Filesize

    34KB

    MD5

    e118330b4629b12368d91b9df6488be0

    SHA1

    ce90218c7e3b90df2a3409ec253048bb6472c2fd

    SHA256

    3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

    SHA512

    ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

  • C:\Users\Admin\AppData\Local\Temp\WinSec.exe
    Filesize

    34KB

    MD5

    e118330b4629b12368d91b9df6488be0

    SHA1

    ce90218c7e3b90df2a3409ec253048bb6472c2fd

    SHA256

    3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

    SHA512

    ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

  • memory/2116-130-0x0000000074C60000-0x0000000075211000-memory.dmp
    Filesize

    5.7MB

  • memory/2116-138-0x0000000074C60000-0x0000000075211000-memory.dmp
    Filesize

    5.7MB

  • memory/4848-131-0x0000000000000000-mapping.dmp
  • memory/4848-132-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/4848-136-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/4848-137-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/4848-139-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB