Analysis

  • max time kernel
    121s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    19/04/2022, 04:12

General

  • Target

    asdfg.exe

  • Size

    100KB

  • MD5

    c7a310982da68b10360854f9cd78e718

  • SHA1

    60140c28e0b7db797a771c2dee081fa3812246db

  • SHA256

    df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731

  • SHA512

    6747fa3f7637922eeaa0feeb25d430dc6ab66fd9f3d22e7e5fd16bad9b75528a8174c34a8baf681950b64e8cdaa6a14e37633592e843c363e75468622ebd2ec3

Score
10/10

Malware Config

Extracted

Family

arkei

Botnet

Default

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\asdfg.exe
    "C:\Users\Admin\AppData\Local\Temp\asdfg.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:976
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      2⤵
        PID:1336

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/976-54-0x00000000013E0000-0x00000000013FE000-memory.dmp

            Filesize

            120KB

          • memory/976-55-0x00000000085B0000-0x0000000008714000-memory.dmp

            Filesize

            1.4MB

          • memory/976-56-0x0000000000F70000-0x0000000000FB8000-memory.dmp

            Filesize

            288KB

          • memory/1336-57-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1336-58-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1336-60-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1336-62-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1336-63-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1336-65-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1336-66-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1336-69-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1336-70-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1336-71-0x00000000759F1000-0x00000000759F3000-memory.dmp

            Filesize

            8KB