Analysis

  • max time kernel
    177s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/12/2023, 23:29

General

  • Target

    06f20f3bc54cf223801158220eeab406.exe

  • Size

    216KB

  • MD5

    06f20f3bc54cf223801158220eeab406

  • SHA1

    1fb71564019b26f4151045701edd06ba4068a62d

  • SHA256

    987829e7261baf4e436041deff7513f4a335a2cbdc6cbef725411ae4d8660f75

  • SHA512

    6ac9f1eb6b83d86b42bd9768ff185ee49c8a6aaf49c404593ab3d66a232530113ceb90c17a12980b3e3184a4df7d902dc88bf3d356f4e45532d1820e645ddfb8

  • SSDEEP

    3072:VFvdQkLoHFGFooobAqz0OEbOKZbtpGPsLx2:VFvyLPse0mKJtpL2

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 52 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06f20f3bc54cf223801158220eeab406.exe
    "C:\Users\Admin\AppData\Local\Temp\06f20f3bc54cf223801158220eeab406.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1156
    • C:\Users\Admin\joohap.exe
      "C:\Users\Admin\joohap.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3368

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\joohap.exe

    Filesize

    128KB

    MD5

    72c6bac8a0f91bfe989c765a8ce7e611

    SHA1

    98228d5f18c2fe6fca088030a0366cd976a0c299

    SHA256

    f7825079e4f44504a30fdb02ced58ad11391778ad957cd91808c4a2a6f88f94d

    SHA512

    804097c69dd7de88d2cb25f210f59ebb7898650967f552ea0c56092e5615a2a1e9faaf1342dbf70e478d280c677a0ea1bb62742fcd046cf4a8c89bbd1919025f

  • C:\Users\Admin\joohap.exe

    Filesize

    216KB

    MD5

    889a3bf0610f3dbde0779e3ca0f27985

    SHA1

    3540c4d92e984a8544361610378d26f2256f830d

    SHA256

    830f7d23ba36a213186d368c1fe836ec323ea11546c64852ef8823c3b34ce4e2

    SHA512

    a70b0a3811d6850edd311981b66ef78ebb1a3a6da0d2ba9babab68497f37b0bd097e120fc86053ea1ad3f0c4b99c44b08dbd297b194ae2e4147e640cbf3892e8

  • memory/1156-0-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/3368-33-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB