Analysis

  • max time kernel
    26s
  • max time network
    26s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-10-2024 21:31

General

  • Target

    aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.exe

  • Size

    410KB

  • MD5

    bd36f5af13b35a77d0e15e95655620d0

  • SHA1

    255a4ea629f8d07f4c4e35bc3750c978014fd574

  • SHA256

    aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87

  • SHA512

    35d2b5a2faf7a860f3e49f98518c61f3050faf4fc6070dcf5165888d1be4986b1c207f9101dc0e70ce495fd31aa06fa5a7cc4eb7972b7abc19acd92dcca96fc6

  • SSDEEP

    6144:4hvWMy6hzp1ssFWBeXNoIdoYtP3pXTbSt8gcUWXhC/YQna8gyifT1:QvWMHzp1ZWYFt5S8ZUAC/YGjg1L

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\aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.exe
    "C:\Users\Admin\AppData\Local\Temp\aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.exe" & exit
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2716
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2640

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\8452S9S3\download[1].htm

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • memory/2292-1-0x0000000000650000-0x0000000000750000-memory.dmp

    Filesize

    1024KB

  • memory/2292-3-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2292-2-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2292-8-0x0000000000650000-0x0000000000750000-memory.dmp

    Filesize

    1024KB

  • memory/2292-9-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2292-11-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2292-23-0x0000000000650000-0x0000000000750000-memory.dmp

    Filesize

    1024KB

  • memory/2292-22-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2292-21-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB