Analysis

  • max time kernel
    149s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 19:36

General

  • Target

    246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe

  • Size

    4.4MB

  • MD5

    3bb57e4664a0d856efc119a1c7fe80a0

  • SHA1

    b37b8a29e2b9f1036147697d986b2bfebe93dd1b

  • SHA256

    246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6

  • SHA512

    cb168f82125279d1911fd141168fce9607b16deb212a550f6ed851054cefa56857664edfefd0ea22ea3380ea4e588da36413d0704cf72fc654f0672b46eab107

  • SSDEEP

    98304:PlQdvRK/ythTnRS5PltYhGFqdOaH8UHmHj8C8wZyTtxdVpQu:Pl0ZTySfdFH8UGHjr8ymTdVT

Score
10/10

Malware Config

Extracted

Family

bitrat

Version

1.34

C2

79.134.225.69:1973

Attributes
  • communication_password

    f49a6667c09a9e329afb64bc0a18a188

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe
    "C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gsoFVSJztCV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp19C9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1732
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "{path}"
      2⤵
        PID:1008

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Scripting

    1
    T1064

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp19C9.tmp
      Filesize

      1KB

      MD5

      3a449379ff20b817567c410786c56225

      SHA1

      7c95dba22d10a0377bba2ec20817f4771a2a50ba

      SHA256

      aefbdaa7036ef73313306caf6b8e33353f664882702cba8316a559b79bcf00d6

      SHA512

      c73bda4716ad5409aa7e894f9fbbd287dfbaa24d6c7eb9487529ef1d2fed81dfa00afe1dd9926afb7902d90a8265a32a434216402ec1e80de6165fff3f43d189

    • memory/1008-64-0x0000000000400000-0x00000000007CD000-memory.dmp
      Filesize

      3.8MB

    • memory/1008-62-0x0000000000400000-0x00000000007CD000-memory.dmp
      Filesize

      3.8MB

    • memory/1008-77-0x0000000000400000-0x00000000007CD000-memory.dmp
      Filesize

      3.8MB

    • memory/1008-75-0x0000000000400000-0x00000000007CD000-memory.dmp
      Filesize

      3.8MB

    • memory/1008-66-0x0000000000400000-0x00000000007CD000-memory.dmp
      Filesize

      3.8MB

    • memory/1008-60-0x0000000000400000-0x00000000007CD000-memory.dmp
      Filesize

      3.8MB

    • memory/1008-72-0x0000000000689A84-mapping.dmp
    • memory/1008-71-0x0000000000400000-0x00000000007CD000-memory.dmp
      Filesize

      3.8MB

    • memory/1008-59-0x0000000000400000-0x00000000007CD000-memory.dmp
      Filesize

      3.8MB

    • memory/1008-68-0x0000000000400000-0x00000000007CD000-memory.dmp
      Filesize

      3.8MB

    • memory/1008-69-0x0000000000400000-0x00000000007CD000-memory.dmp
      Filesize

      3.8MB

    • memory/1632-54-0x0000000076091000-0x0000000076093000-memory.dmp
      Filesize

      8KB

    • memory/1632-56-0x00000000744B0000-0x0000000074A5B000-memory.dmp
      Filesize

      5.7MB

    • memory/1632-74-0x00000000744B0000-0x0000000074A5B000-memory.dmp
      Filesize

      5.7MB

    • memory/1632-55-0x00000000744B0000-0x0000000074A5B000-memory.dmp
      Filesize

      5.7MB

    • memory/1732-57-0x0000000000000000-mapping.dmp