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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/09/2024, 16:13

General

  • Target

    828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.exe

  • Size

    270KB

  • MD5

    68e6e04eb152d2e673b25d3adacbbc2a

  • SHA1

    5c1672bea07f217f6893c785f64dcf5f0c241cc8

  • SHA256

    828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778

  • SHA512

    e1e4c7ee113c4846c51dfcca64b2ea4f9a3a5fc4ae3bc06c5ad73ea5f15c7a4d9ee1353bc40bdd34510c1c7ccd6a7c784cf69bc314eefcb6293d64636feace66

  • SSDEEP

    6144:doDlF9iyfOR2fLE3g/wG1pmBbZO5/MQaG0Vdh1JQ:dglFgYORkLEezMBbZOL+Vdz

Malware Config

Extracted

Family

gcleaner

C2

80.66.75.114

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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.exe
    "C:\Users\Admin\AppData\Local\Temp\828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.exe" & exit
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2960
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\F91VN88R\download[1].htm

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • memory/1884-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

    Filesize

    1024KB

  • memory/1884-2-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1884-3-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1884-9-0x00000000002D0000-0x00000000003D0000-memory.dmp

    Filesize

    1024KB

  • memory/1884-10-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1884-12-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1884-22-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1884-21-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1884-23-0x00000000002D0000-0x00000000003D0000-memory.dmp

    Filesize

    1024KB