Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-09-2024 16:04

General

  • Target

    58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe

  • Size

    270KB

  • MD5

    22df7a8bc6564532859324f9f73f07b9

  • SHA1

    9ac8b53488e972283c4b40ba7173e09f5dddd23e

  • SHA256

    58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151

  • SHA512

    b96128c356e42aeba253da27d644a6222a776bc25e7a02d5d7cf0648c22b8dbdb171c375f2d7c22e2d8f43cc9cc353f3807b725a36a3dd9df7fe9173be635767

  • SSDEEP

    6144:DAxafH3gMKR1/ojCWEROv+DyBHXvXT7a04pI:DPH3gMu1AjC30vj7aJp

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\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe
    "C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe" & exit
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2588
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3008

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\9UR26M8S\download[1].htm

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • memory/2068-1-0x00000000004D0000-0x00000000005D0000-memory.dmp

    Filesize

    1024KB

  • memory/2068-2-0x00000000002E0000-0x000000000030D000-memory.dmp

    Filesize

    180KB

  • memory/2068-3-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2068-9-0x00000000004D0000-0x00000000005D0000-memory.dmp

    Filesize

    1024KB

  • memory/2068-11-0x00000000002E0000-0x000000000030D000-memory.dmp

    Filesize

    180KB

  • memory/2068-12-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2068-13-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2068-21-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2068-23-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2068-22-0x00000000004D0000-0x00000000005D0000-memory.dmp

    Filesize

    1024KB