Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2024 10:47

General

  • Target

    Mr4X5srRQR20TfuVZShfsrAN.exe

  • Size

    321KB

  • MD5

    94c78c311f499024a9f97cfdbb073623

  • SHA1

    50e91d3eaa06d2183bf8c6c411947304421c5626

  • SHA256

    6aef62b3b8890bc22dd99f9b0d48247ae52c69e7ad9e384332658e73c725e40e

  • SHA512

    29b61f1924f19d073460332950c2316acf769aa40ad7f62a41941160cd8a8da5958e8f96183e0e498afe8558fc3efb3a23f66c7519c142c780c91279ddecb545

  • SSDEEP

    6144:DQbZ65iKd8Ro5c7bW+7kUyptNv+6FsVAIXRwGA69PZ+9ElvczV:6Z65im8Rb7D7kUyP5cVAIhwGA69B+9uY

Malware Config

Extracted

Family

gcleaner

C2

194.145.227.161

Signatures

  • GCleaner

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

  • Gcleaner family
  • OnlyLogger

    A tiny loader that uses IPLogger to get its payload.

  • Onlylogger family
  • OnlyLogger payload 5 IoCs
  • Deletes itself 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Mr4X5srRQR20TfuVZShfsrAN.exe
    "C:\Users\Admin\AppData\Local\Temp\Mr4X5srRQR20TfuVZShfsrAN.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{Iv2I-8FnAk-HGNI-QNeZN}\62864257160.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2856
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{Iv2I-8FnAk-HGNI-QNeZN}\61369291315.exe" /mix
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1272
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{Iv2I-8FnAk-HGNI-QNeZN}\89984158093.exe" /mix
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2588
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "Mr4X5srRQR20TfuVZShfsrAN.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\Mr4X5srRQR20TfuVZShfsrAN.exe" & exit
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "Mr4X5srRQR20TfuVZShfsrAN.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2320

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\{Iv2I-8FnAk-HGNI-QNeZN}\62864257160.exe

    Filesize

    277B

    MD5

    6445250d234e789c0c2afe69f119e326

    SHA1

    03074f75c0ff50783d8c2e32d96e39b746540f66

    SHA256

    2e6cd9433e66a9ebde268bc6949d4660de441790bd39ffc9cb0f4caaeb44320f

    SHA512

    ecd094a4d026378f85435f8a2dc16c92c033aff92ba126d8bbb22d6b279b842d417f4df0f63199ea248d0ec64b9679acb5a1f835560d8e3c5b84be492cc0e68e

  • memory/2884-1-0x00000000024C0000-0x00000000025C0000-memory.dmp

    Filesize

    1024KB

  • memory/2884-3-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2884-2-0x0000000000220000-0x0000000000250000-memory.dmp

    Filesize

    192KB

  • memory/2884-22-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2884-20-0x0000000000220000-0x0000000000250000-memory.dmp

    Filesize

    192KB

  • memory/2884-21-0x00000000024C0000-0x00000000025C0000-memory.dmp

    Filesize

    1024KB

  • memory/2884-19-0x0000000000400000-0x00000000023BB000-memory.dmp

    Filesize

    31.7MB