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Analysis

  • max time kernel
    15s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/12/2023, 23:37

General

  • Target

    0729d893aeb17d01a61877855d52e33c.exe

  • Size

    48KB

  • MD5

    0729d893aeb17d01a61877855d52e33c

  • SHA1

    37c44c6c8225a71eaf9506f1dddb8c0f2a288b85

  • SHA256

    c6164eb23e75fac6ccbf82e4729d6b6b7d04f456e6ed8e2d23abe1acb9583520

  • SHA512

    1c98736fa5865645ee06c63400c4f8090780f30c887d581066b410cae97519f5735be225e971ce339fca9171a900a9471aed9695bd8174080cd5a9a008376e6b

  • SSDEEP

    768:ljNEhmygYfsdYC7v+6wH9H7MfygXaDMFQXD7e:ljam+EeCX6NNDsQXD7

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 1 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0729d893aeb17d01a61877855d52e33c.exe
    "C:\Users\Admin\AppData\Local\Temp\0729d893aeb17d01a61877855d52e33c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Users\Admin\qlviis.exe
      "C:\Users\Admin\qlviis.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
      • Suspicious use of WriteProcessMemory
      PID:2148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\qlviis.exe

    Filesize

    44KB

    MD5

    2dbfe11d1faf48a928ad750f29684a46

    SHA1

    eb3143b35fd7adb3082da1dffb9da7c206f1d722

    SHA256

    6404e02d705e5b702e37ec8008320da7c1820a99fe4362753be86f03a6840b71

    SHA512

    6624bfc9f15c81bed3a0715a59e1ef364937a236115d5352c57455aed942f118b123fd2704a2c2881ba6bc405c98a6172ed27187739358a0ef297d01ebcf8beb

  • C:\Users\Admin\qlviis.exe

    Filesize

    43KB

    MD5

    403843e5ce0ab2d2fe804f1a0f426e89

    SHA1

    507bd58fe1b56fc511d4e56456b657102abfb9b0

    SHA256

    960577d1db11e49afb627e448696017926b8ba343c867a245bfbc16c55ee491c

    SHA512

    19dcd82ac854a3877ba699e10f7f5d6256d5ee50f1c6e54a1e840226ce37280bc1c6b277407818a27a1702dfd5a5c9f26b9db579db9c1db20f9372374840aa6e

  • C:\Users\Admin\qlviis.exe

    Filesize

    48KB

    MD5

    edbb28e8358cedf1095bfbec25cba16b

    SHA1

    6968e738d3dd58080f2f4ef24127f0aba34a6b62

    SHA256

    59be99f1424a02d3f0bcd1f5883244c23fb6152c18aef75d5b058b28af6f18d2

    SHA512

    916230fd3dc326adf4dc666e626b1843626878f00a4fa1dd8a1088d10b796ac4bdc571801336ec3e931b8d68ce4eb02e1ff1b5514b5d46bfae46fa16a50f326f