Analysis

  • max time kernel
    182s
  • max time network
    194s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    19-05-2022 07:48

General

  • Target

    0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe

  • Size

    392KB

  • MD5

    5fea51478a01f10a78d428751e973aba

  • SHA1

    cb7f1e3acc3636a6f890edb8c44d0abe2674ec1c

  • SHA256

    0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b

  • SHA512

    47ea5c07b4d9d2bd5f9045906da94961f9d7d64e55c992435bdae2d21334daed98f096892da46f2bd18637f48ecac6bc80d6531c5a1cacceb7f3a46182e103c6

Malware Config

Extracted

Family

redline

Botnet

04062022

C2

62.204.41.166:27688

Attributes
  • auth_value

    48182fe753fa2aff7472da064aa2a5d9

Extracted

Family

arkei

Botnet

Default

C2

http://62.204.41.69/p8jG9WvgbE.php

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe
    "C:\Users\Admin\AppData\Local\Temp\0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:956
    • C:\Users\Admin\AppData\Local\Temp\Fvdfggf.exe
      "C:\Users\Admin\AppData\Local\Temp\Fvdfggf.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2000
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
        3⤵
          PID:1964
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
          3⤵
            PID:1040
        • C:\Users\Admin\AppData\Local\Temp\0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe
          "C:\Users\Admin\AppData\Local\Temp\0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe"
          2⤵
            PID:1284

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Fvdfggf.exe

          Filesize

          172KB

          MD5

          e124d6fab64aa638922bc7861998fa8c

          SHA1

          3420d895a8ef834eaf85c800fb83b1eca0a7816e

          SHA256

          de8f8f5217cc3fca88d5261c8ad2c3115750ccf4f7bf3e7904760af2014959e3

          SHA512

          b456215751eeda2f5b633cd52b5b5d820d1dc96d9ec4f4f35fa4fa1c5859dd925c949f0f6270af80a12ede9f9ac45f4a979aea7f8d4da459ed05cd1b7bdd5ed7

        • \Users\Admin\AppData\Local\Temp\Fvdfggf.exe

          Filesize

          172KB

          MD5

          e124d6fab64aa638922bc7861998fa8c

          SHA1

          3420d895a8ef834eaf85c800fb83b1eca0a7816e

          SHA256

          de8f8f5217cc3fca88d5261c8ad2c3115750ccf4f7bf3e7904760af2014959e3

          SHA512

          b456215751eeda2f5b633cd52b5b5d820d1dc96d9ec4f4f35fa4fa1c5859dd925c949f0f6270af80a12ede9f9ac45f4a979aea7f8d4da459ed05cd1b7bdd5ed7

        • \Users\Admin\AppData\Local\Temp\Fvdfggf.exe

          Filesize

          172KB

          MD5

          e124d6fab64aa638922bc7861998fa8c

          SHA1

          3420d895a8ef834eaf85c800fb83b1eca0a7816e

          SHA256

          de8f8f5217cc3fca88d5261c8ad2c3115750ccf4f7bf3e7904760af2014959e3

          SHA512

          b456215751eeda2f5b633cd52b5b5d820d1dc96d9ec4f4f35fa4fa1c5859dd925c949f0f6270af80a12ede9f9ac45f4a979aea7f8d4da459ed05cd1b7bdd5ed7

        • memory/956-56-0x00000000761F1000-0x00000000761F3000-memory.dmp

          Filesize

          8KB

        • memory/956-65-0x00000000003F0000-0x00000000003F7000-memory.dmp

          Filesize

          28KB

        • memory/1040-68-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1040-70-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1284-69-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB