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Analysis

  • max time kernel
    131s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2024, 10:00

General

  • Target

    055e3d97992efa668f7cd92ee301ebf4_JaffaCakes118.exe

  • Size

    337KB

  • MD5

    055e3d97992efa668f7cd92ee301ebf4

  • SHA1

    326fb8c7e9fecb54570fdd9e3ee3165ca68658c9

  • SHA256

    090e8bd14dcd133d966ef11bf9ac340e9c55835d9a70c77a211cd15e8540a9a4

  • SHA512

    b8dc8317d049b4e3290badd6081c0bcadbd6c4a5af232395c96f92933c58da3de90cb846a7c1c707d7f306c547bb658871cfe3c73122ecea91ecb96d185710f8

  • SSDEEP

    6144:8NN9wy0tamsE/6suyzgdygi/T0Yr6cfee3cf/zC:8bOXtamUsuyzGpib0oLfe8c3z

Malware Config

Extracted

Family

gcleaner

C2

gcl-page.biz

194.145.227.161

Signatures

  • GCleaner

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

  • OnlyLogger

    A tiny loader that uses IPLogger to get its payload.

  • OnlyLogger payload 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 7 IoCs
  • 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\055e3d97992efa668f7cd92ee301ebf4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\055e3d97992efa668f7cd92ee301ebf4_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3532
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 724
      2⤵
      • Program crash
      PID:1316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 784
      2⤵
      • Program crash
      PID:1884
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 920
      2⤵
      • Program crash
      PID:4820
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 932
      2⤵
      • Program crash
      PID:1928
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 924
      2⤵
      • Program crash
      PID:3040
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 968
      2⤵
      • Program crash
      PID:4584
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "055e3d97992efa668f7cd92ee301ebf4_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\055e3d97992efa668f7cd92ee301ebf4_JaffaCakes118.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3832
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "055e3d97992efa668f7cd92ee301ebf4_JaffaCakes118.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 1112
      2⤵
      • Program crash
      PID:4948
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3532 -ip 3532
    1⤵
      PID:396
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3532 -ip 3532
      1⤵
        PID:3096
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3532 -ip 3532
        1⤵
          PID:636
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3532 -ip 3532
          1⤵
            PID:2980
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3532 -ip 3532
            1⤵
              PID:2664
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3532 -ip 3532
              1⤵
                PID:1016
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 3532 -ip 3532
                1⤵
                  PID:2340
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=2540,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=1288 /prefetch:8
                  1⤵
                    PID:2420

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • memory/3532-1-0x00000000009F0000-0x0000000000AF0000-memory.dmp

                    Filesize

                    1024KB

                  • memory/3532-2-0x0000000000890000-0x00000000008D8000-memory.dmp

                    Filesize

                    288KB

                  • memory/3532-3-0x0000000000400000-0x000000000044B000-memory.dmp

                    Filesize

                    300KB

                  • memory/3532-5-0x0000000000890000-0x00000000008D8000-memory.dmp

                    Filesize

                    288KB

                  • memory/3532-6-0x0000000000400000-0x000000000044B000-memory.dmp

                    Filesize

                    300KB

                  • memory/3532-4-0x0000000000400000-0x0000000000884000-memory.dmp

                    Filesize

                    4.5MB