Resubmissions

22-09-2021 14:13

210922-rjttqachf8 10

Analysis

  • max time kernel
    600s
  • max time network
    536s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    14-04-2024 13:48

General

  • Target

    6b64ec1c1ec9e8eb486f721c283d377a2e52f177e9f947d0d217ce84685ed239.exe

  • Size

    434KB

  • MD5

    556c756b428b0a6f1516de031c3bfdb3

  • SHA1

    d4a8195611ac93a268b0ebdc14319a75de856725

  • SHA256

    6b64ec1c1ec9e8eb486f721c283d377a2e52f177e9f947d0d217ce84685ed239

  • SHA512

    0e6ffc8dd5dda62a3936a5ea311a9e7007f27ead2f86f9f3f17510a78d2181b16473c69b3b5aa465f68042adef0d95fa8403f9d5bb106dbb4896750caef60a26

  • SSDEEP

    12288:rXPcLcbGfVylwG/ZDCK/ScBXo8TsyMkKMY8m7WOK9SATTsx/SA/WegYfdNbrqnuh:rXh6XcBXo8TsL8Y8m/ATTySA/DrfdNb7

Score
10/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b64ec1c1ec9e8eb486f721c283d377a2e52f177e9f947d0d217ce84685ed239.exe
    "C:\Users\Admin\AppData\Local\Temp\6b64ec1c1ec9e8eb486f721c283d377a2e52f177e9f947d0d217ce84685ed239.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
      "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
      2⤵
      • Executes dropped EXE
      PID:2100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe

    Filesize

    3KB

    MD5

    b4cd27f2b37665f51eb9fe685ec1d373

    SHA1

    7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

    SHA256

    91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

    SHA512

    e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

  • C:\Users\Admin\AppData\Local\Temp\x64btit.txt

    Filesize

    28B

    MD5

    818c829dc4c0153db8e03f2769beb482

    SHA1

    128dfd291a38350de421d130cb02cdb0b976886e

    SHA256

    d0bacbc09fa1b1b10054af8b21cae69fa91d1e909d7e8a21ad0ba83d3cbca5de

    SHA512

    494223558fcfe3a9d3257cc1b36c27bafe057f6a9f0e42ffdf13414c74ec584871a81779bdf2ec2587c3a8e03384bfbcc7e1f01f5b2575dbc8324489f3fcf6a2