Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    28-06-2022 00:53

General

  • Target

    a1cabc41c47bc8c55ec51ecd17dbcd1e43db85dc00450872cbfeccc7b1932d45.exe

  • Size

    227KB

  • MD5

    50d681b70823812ed7a9bed0e0c7da16

  • SHA1

    cdbae43b6289b7f1b7c8f34dc68aafacd44162da

  • SHA256

    a1cabc41c47bc8c55ec51ecd17dbcd1e43db85dc00450872cbfeccc7b1932d45

  • SHA512

    057684fd30e543a439325eadc2cbf1705eb0a4db9e756c8ca3c817ce22e7fe58a5bfd7408e52949bb2ea876797f7ed29559c2a33346f20bd73bb65af7601d662

Malware Config

Extracted

Family

redline

Botnet

mario2

C2

193.106.191.129:80

Attributes
  • auth_value

    4ef7e3fec3a418b2f0233b604d0560d9

Signatures

  • RecordBreaker

    RecordBreaker is an information stealer capable of downloading and executing secondary payloads written in C++.

  • RedLine

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

  • RedLine Payload 1 IoCs
  • suricata: ET MALWARE Generic Stealer Config Download Request

    suricata: ET MALWARE Generic Stealer Config Download Request

  • suricata: ET MALWARE Win32/RecordBreaker CnC Checkin

    suricata: ET MALWARE Win32/RecordBreaker CnC Checkin

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1cabc41c47bc8c55ec51ecd17dbcd1e43db85dc00450872cbfeccc7b1932d45.exe
    "C:\Users\Admin\AppData\Local\Temp\a1cabc41c47bc8c55ec51ecd17dbcd1e43db85dc00450872cbfeccc7b1932d45.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3848
  • C:\Users\Admin\AppData\Local\Temp\5C78.exe
    C:\Users\Admin\AppData\Local\Temp\5C78.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3588
  • C:\Users\Admin\AppData\Local\Temp\8E95.exe
    C:\Users\Admin\AppData\Local\Temp\8E95.exe
    1⤵
    • Executes dropped EXE
    PID:4444
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:1532
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1532 -s 868
        2⤵
        • Program crash
        PID:4812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 1532 -ip 1532
      1⤵
        PID:1496
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe
        1⤵
          PID:5104

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\5C78.exe

          Filesize

          1.6MB

          MD5

          df9cc49add3e01f23c63b0f73469f752

          SHA1

          6f8199ae9280e13671f5eb5715b093cd93f6732e

          SHA256

          b18d30fdfaa2f3469131da279fe2a64ed3cf6c1cbc8785ea1ba6e7596ae85419

          SHA512

          09100b76b4d0ba5a417da4a68977ed0a9eba8563cc5866e0cf912234ebded7598c482967e1812c143868c43c49eb882f82588dfafc041698b814c564decfc9b5

        • C:\Users\Admin\AppData\Local\Temp\5C78.exe

          Filesize

          1.6MB

          MD5

          df9cc49add3e01f23c63b0f73469f752

          SHA1

          6f8199ae9280e13671f5eb5715b093cd93f6732e

          SHA256

          b18d30fdfaa2f3469131da279fe2a64ed3cf6c1cbc8785ea1ba6e7596ae85419

          SHA512

          09100b76b4d0ba5a417da4a68977ed0a9eba8563cc5866e0cf912234ebded7598c482967e1812c143868c43c49eb882f82588dfafc041698b814c564decfc9b5

        • C:\Users\Admin\AppData\Local\Temp\8E95.exe

          Filesize

          6.6MB

          MD5

          a840af25865513286606284b38490add

          SHA1

          3ab6eaaa2457f3afc1a37645152a91efa95751af

          SHA256

          26923ba499b7c445e86e76c616dee82cd5699de4bdfcf61d3e09562b36f2fbad

          SHA512

          fec4a023ac03aa0733d6e4f11dd9f79c1329b2b73acd543e85b96d2fd32de4374a26250dd36f82919e32bd022fa3e753c8bf09cdb9e92670314ba0f7ef38ceb6

        • C:\Users\Admin\AppData\Local\Temp\8E95.exe

          Filesize

          6.6MB

          MD5

          a840af25865513286606284b38490add

          SHA1

          3ab6eaaa2457f3afc1a37645152a91efa95751af

          SHA256

          26923ba499b7c445e86e76c616dee82cd5699de4bdfcf61d3e09562b36f2fbad

          SHA512

          fec4a023ac03aa0733d6e4f11dd9f79c1329b2b73acd543e85b96d2fd32de4374a26250dd36f82919e32bd022fa3e753c8bf09cdb9e92670314ba0f7ef38ceb6

        • memory/1240-138-0x0000000003412000-0x0000000003561000-memory.dmp

          Filesize

          1.3MB

        • memory/1240-153-0x000000000F380000-0x000000000F4C5000-memory.dmp

          Filesize

          1.3MB

        • memory/1240-137-0x0000000003010000-0x0000000003409000-memory.dmp

          Filesize

          4.0MB

        • memory/1240-154-0x000000000F380000-0x000000000F4C5000-memory.dmp

          Filesize

          1.3MB

        • memory/1240-159-0x0000000003412000-0x0000000003561000-memory.dmp

          Filesize

          1.3MB

        • memory/1240-142-0x0000000003010000-0x0000000003409000-memory.dmp

          Filesize

          4.0MB

        • memory/1240-146-0x0000000003412000-0x0000000003561000-memory.dmp

          Filesize

          1.3MB

        • memory/1532-152-0x00000000012E0000-0x000000000134B000-memory.dmp

          Filesize

          428KB

        • memory/1532-149-0x00000000012E0000-0x000000000134B000-memory.dmp

          Filesize

          428KB

        • memory/1532-148-0x0000000001350000-0x00000000013C4000-memory.dmp

          Filesize

          464KB

        • memory/3588-162-0x0000000004F20000-0x000000000502A000-memory.dmp

          Filesize

          1.0MB

        • memory/3588-166-0x0000000006790000-0x0000000006822000-memory.dmp

          Filesize

          584KB

        • memory/3588-171-0x0000000008710000-0x0000000008C3C000-memory.dmp

          Filesize

          5.2MB

        • memory/3588-170-0x0000000008010000-0x00000000081D2000-memory.dmp

          Filesize

          1.8MB

        • memory/3588-169-0x0000000006B60000-0x0000000006BB0000-memory.dmp

          Filesize

          320KB

        • memory/3588-168-0x0000000006970000-0x000000000698E000-memory.dmp

          Filesize

          120KB

        • memory/3588-167-0x0000000006DE0000-0x0000000007384000-memory.dmp

          Filesize

          5.6MB

        • memory/3588-163-0x0000000004E50000-0x0000000004E8C000-memory.dmp

          Filesize

          240KB

        • memory/3588-156-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/3588-158-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/3588-165-0x0000000006670000-0x00000000066E6000-memory.dmp

          Filesize

          472KB

        • memory/3588-160-0x0000000005370000-0x0000000005988000-memory.dmp

          Filesize

          6.1MB

        • memory/3588-161-0x0000000004DF0000-0x0000000004E02000-memory.dmp

          Filesize

          72KB

        • memory/3588-164-0x0000000006440000-0x00000000064A6000-memory.dmp

          Filesize

          408KB

        • memory/3848-133-0x0000000000400000-0x0000000000635000-memory.dmp

          Filesize

          2.2MB

        • memory/3848-130-0x000000000092D000-0x000000000093A000-memory.dmp

          Filesize

          52KB

        • memory/3848-131-0x00000000008D0000-0x00000000008D9000-memory.dmp

          Filesize

          36KB

        • memory/3848-132-0x0000000000400000-0x0000000000635000-memory.dmp

          Filesize

          2.2MB

        • memory/4444-145-0x00000000009E0000-0x000000000143C000-memory.dmp

          Filesize

          10.4MB

        • memory/4444-143-0x00000000009E0000-0x000000000143C000-memory.dmp

          Filesize

          10.4MB

        • memory/5104-151-0x0000000000D60000-0x0000000000D6C000-memory.dmp

          Filesize

          48KB