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Analysis

  • max time kernel
    120s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    15/10/2024, 10:10

General

  • Target

    f08fd79935ca480735a8d1663a46823680a3478bad7ff6ae6aeb579362218c71.exe

  • Size

    269KB

  • MD5

    42a532c766be7b83f152ab9b8293d6f7

  • SHA1

    4681e65e2fad14302545f5263e320812e77eb79e

  • SHA256

    f08fd79935ca480735a8d1663a46823680a3478bad7ff6ae6aeb579362218c71

  • SHA512

    2ee17d26c558196db029d0b6c1d2604f27e6869c2e719b05409c3f215f4c75d96d5341c10ccf1f1ba730ce9a45fe857bd158fec496f1f8fd47570aea6de659b6

  • SSDEEP

    3072:GSJ+1mhZM3xrI5ON7hZda4L/jgFQmKoei3TZ1g95OqJzxB9HPuGPLU9MCGbXal/T:v+1msI5cTfgC0eM9DqpxB9vuGPI+n

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\f08fd79935ca480735a8d1663a46823680a3478bad7ff6ae6aeb579362218c71.exe
    "C:\Users\Admin\AppData\Local\Temp\f08fd79935ca480735a8d1663a46823680a3478bad7ff6ae6aeb579362218c71.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "f08fd79935ca480735a8d1663a46823680a3478bad7ff6ae6aeb579362218c71.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f08fd79935ca480735a8d1663a46823680a3478bad7ff6ae6aeb579362218c71.exe" & exit
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2876
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "f08fd79935ca480735a8d1663a46823680a3478bad7ff6ae6aeb579362218c71.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2832

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\7BCOPU31\download[1].htm

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • memory/2132-1-0x0000000000400000-0x0000000002B49000-memory.dmp

    Filesize

    39.3MB

  • memory/2132-4-0x0000000000400000-0x0000000002B49000-memory.dmp

    Filesize

    39.3MB

  • memory/2132-17-0x0000000000400000-0x0000000002B49000-memory.dmp

    Filesize

    39.3MB