Analysis

  • max time kernel
    142s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    19-03-2024 23:13

General

  • Target

    a2a4f22034f1249eb93a6b14443851040c838aeab36f25dc4c8ae2d8deaba6ab.exe

  • Size

    67KB

  • MD5

    ad41b1788fac93c03099a155e7ce9933

  • SHA1

    5b42f53d7c6e6b71f27828ffde56d3110ebcba5a

  • SHA256

    a2a4f22034f1249eb93a6b14443851040c838aeab36f25dc4c8ae2d8deaba6ab

  • SHA512

    1b77f4e9c30e5d38464f3d0f3369375e57fb400898e01c8d6785c806124a0168e26dec6981b422469f3d85271b95c15429bb96dc4e115ce30eb73ddcb10f7ce9

  • SSDEEP

    1536:9dIERu8ic9Zd8Z3PstS+GccqxGXuqNlqDWhq4eUj9Ww6:9dVS+1xGXuqNl6Wh2UMw6

Score
7/10

Malware Config

Signatures

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

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2a4f22034f1249eb93a6b14443851040c838aeab36f25dc4c8ae2d8deaba6ab.exe
    "C:\Users\Admin\AppData\Local\Temp\a2a4f22034f1249eb93a6b14443851040c838aeab36f25dc4c8ae2d8deaba6ab.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Users\Admin\AppData\Local\Temp\murzuja.exe
      C:\Users\Admin\AppData\Local\Temp\murzuja.exe
      2⤵
      • Executes dropped EXE
      PID:1968

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    c0817dfe3428aabf1664aaeb0c918572

    SHA1

    4b5f8fdca1593f86bf9993f17b0e5d40836949e0

    SHA256

    b2908afe5543904ac8c20ceee0900f2e5ab4f038a9034921b16e7ea47cd4d2ed

    SHA512

    77eda4ca3e650b998f56ecbd3849bae20527bdee14063ecee34fb988cc6ea9dd2a038186c657012865f2cd29d9bd9abcd51384d4748b6624a459d39b9579c44f

  • memory/1968-7-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2740-1-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2740-8-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB