Analysis

  • max time kernel
    91s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    23-06-2022 18:46

General

  • Target

    3858faa819b97f8e672808e42174be9aeb02164263eb19c49188ad2683feca98.exe

  • Size

    532KB

  • MD5

    17e42c69e38c12825667935eecc7862a

  • SHA1

    8f83539a42af7df78b47c6a8548be119e2a3a994

  • SHA256

    3858faa819b97f8e672808e42174be9aeb02164263eb19c49188ad2683feca98

  • SHA512

    0b8f6f64875acb7fd50f3cf857c0f1f556e3904caacc1ea45310f52932b06a25fcf899915c349589fb0683920b712b67ab6f70c3974168d9d77c17ff08aef90e

Malware Config

Extracted

Family

recordbreaker

C2

http://51.195.166.201/

Signatures

  • RecordBreaker

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

  • 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
  • Loads dropped DLL 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3858faa819b97f8e672808e42174be9aeb02164263eb19c49188ad2683feca98.exe
    "C:\Users\Admin\AppData\Local\Temp\3858faa819b97f8e672808e42174be9aeb02164263eb19c49188ad2683feca98.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4204
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      2⤵
      • Loads dropped DLL
      PID:648

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\mozglue.dll

    Filesize

    612KB

    MD5

    f07d9977430e762b563eaadc2b94bbfa

    SHA1

    da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

    SHA256

    4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

    SHA512

    6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

  • C:\Users\Admin\AppData\LocalLow\nss3.dll

    Filesize

    1.9MB

    MD5

    f67d08e8c02574cbc2f1122c53bfb976

    SHA1

    6522992957e7e4d074947cad63189f308a80fcf2

    SHA256

    c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

    SHA512

    2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

  • C:\Users\Admin\AppData\LocalLow\sqlite3.dll

    Filesize

    1.0MB

    MD5

    dbf4f8dcefb8056dc6bae4b67ff810ce

    SHA1

    bbac1dd8a07c6069415c04b62747d794736d0689

    SHA256

    47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

    SHA512

    b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

  • memory/648-136-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/648-135-0x0000000000000000-mapping.dmp

  • memory/648-138-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/648-139-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/648-143-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/648-144-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/4204-134-0x00000000088E0000-0x00000000088EA000-memory.dmp

    Filesize

    40KB

  • memory/4204-130-0x0000000000B00000-0x0000000000B8A000-memory.dmp

    Filesize

    552KB

  • memory/4204-133-0x0000000005610000-0x0000000005BB4000-memory.dmp

    Filesize

    5.6MB

  • memory/4204-132-0x0000000004FC0000-0x0000000005052000-memory.dmp

    Filesize

    584KB

  • memory/4204-131-0x0000000004EA0000-0x0000000004F3C000-memory.dmp

    Filesize

    624KB