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Analysis

  • max time kernel
    30s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230705-en
  • resource tags

    arch:x64arch:x86image:win7-20230705-enlocale:en-usos:windows7-x64system
  • submitted
    07/07/2023, 03:38

General

  • Target

    589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e.exe

  • Size

    304KB

  • MD5

    b59c8093621b9d5b5ad1905fab5aee00

  • SHA1

    e36627f6faaee192a2ab8f4d6e7ccad03409e306

  • SHA256

    589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e

  • SHA512

    8e6ded0e24a587bd10c91ca62dd52e0f0418207484a32c407ce625c6e3af7d0963dc728caeec153c79a94e6be07d4bd4edd8c3bb4e4e6ed20fab5d4a84e8bc72

  • SSDEEP

    6144:i083LPjsNIaUNNsEdX/k5+qgRxx4xwdmJLaTZoA:N837js+bjX4SD4i0KKA

Score
10/10

Malware Config

Extracted

Family

gcleaner

C2

45.12.253.56

45.12.253.72

45.12.253.98

45.12.253.75

Signatures

  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • Deletes itself 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e.exe
    "C:\Users\Admin\AppData\Local\Temp\589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:992
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2932

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2144-55-0x0000000000230000-0x0000000000270000-memory.dmp

    Filesize

    256KB

  • memory/2144-57-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/2144-58-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB