Analysis

  • max time kernel
    45s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-06-2022 03:18

General

  • Target

    e2b87b9ea8bb2bf835cb064845ff863253f3eedb4a88122598eee52c9579b203.exe

  • Size

    2.2MB

  • MD5

    fed9b76d03175742e23150bcd5ca8c6b

  • SHA1

    12a218cc80bd853cdd17c172a16f6440d2d1fd9b

  • SHA256

    e2b87b9ea8bb2bf835cb064845ff863253f3eedb4a88122598eee52c9579b203

  • SHA512

    4899e802fdb99e2a5f1997e910f87f9178a64c32d6c05da70acca8a2cb57136f6d0245c3ee489e65c501957f047a09c6a35812ce4fbdbd76cff713cc92b143b8

Malware Config

Extracted

Family

recordbreaker

C2

http://5.252.22.66/

Signatures

  • Raccoon ver2 4 IoCs

    Raccoon ver2.

  • 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 Recordbreaker Stealer CnC Checkin

    suricata: ET MALWARE Recordbreaker Stealer 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
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e2b87b9ea8bb2bf835cb064845ff863253f3eedb4a88122598eee52c9579b203.exe
    "C:\Users\Admin\AppData\Local\Temp\e2b87b9ea8bb2bf835cb064845ff863253f3eedb4a88122598eee52c9579b203.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Loads dropped DLL
      PID:37392
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 36096
      2⤵
      • Program crash
      PID:37440

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    612KB

    MD5

    f07d9977430e762b563eaadc2b94bbfa

    SHA1

    da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

    SHA256

    4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

    SHA512

    6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

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

    Filesize

    1.9MB

    MD5

    f67d08e8c02574cbc2f1122c53bfb976

    SHA1

    6522992957e7e4d074947cad63189f308a80fcf2

    SHA256

    c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

    SHA512

    2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

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

    Filesize

    1.0MB

    MD5

    dbf4f8dcefb8056dc6bae4b67ff810ce

    SHA1

    bbac1dd8a07c6069415c04b62747d794736d0689

    SHA256

    47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

    SHA512

    b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

  • memory/1492-54-0x0000000000400000-0x0000000000536000-memory.dmp

    Filesize

    1.2MB

  • memory/37392-55-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/37392-57-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/37392-63-0x0000000000407486-mapping.dmp

  • memory/37392-64-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/37392-65-0x0000000074C81000-0x0000000074C83000-memory.dmp

    Filesize

    8KB

  • memory/37392-66-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/37440-67-0x0000000000000000-mapping.dmp