Analysis

  • max time kernel
    125s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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.

  • 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 9 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\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe
    "C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 732
      2⤵
      • Program crash
      PID:1616
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 748
      2⤵
      • Program crash
      PID:2464
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 808
      2⤵
      • Program crash
      PID:800
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 832
      2⤵
      • Program crash
      PID:1228
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 904
      2⤵
      • Program crash
      PID:5024
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 908
      2⤵
      • Program crash
      PID:2944
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 1120
      2⤵
      • Program crash
      PID:2904
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 1384
      2⤵
      • Program crash
      PID:2776
    • 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⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4640
      • 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:2508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 1436
      2⤵
      • Program crash
      PID:4468
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2144 -ip 2144
    1⤵
      PID:4224
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2144 -ip 2144
      1⤵
        PID:64
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2144 -ip 2144
        1⤵
          PID:996
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2144 -ip 2144
          1⤵
            PID:2044
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2144 -ip 2144
            1⤵
              PID:1792
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2144 -ip 2144
              1⤵
                PID:1464
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2144 -ip 2144
                1⤵
                  PID:320
                • 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=4336,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=1904 /prefetch:8
                  1⤵
                    PID:5092
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2144 -ip 2144
                    1⤵
                      PID:568
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2144 -ip 2144
                      1⤵
                        PID:348

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BKKBWXOR\download[1].htm

                        Filesize

                        1B

                        MD5

                        cfcd208495d565ef66e7dff9f98764da

                        SHA1

                        b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                        SHA256

                        5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                        SHA512

                        31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                      • memory/2144-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

                        Filesize

                        1024KB

                      • memory/2144-2-0x0000000002190000-0x00000000021BD000-memory.dmp

                        Filesize

                        180KB

                      • memory/2144-3-0x0000000000400000-0x000000000042F000-memory.dmp

                        Filesize

                        188KB

                      • memory/2144-8-0x0000000000400000-0x000000000044A000-memory.dmp

                        Filesize

                        296KB

                      • memory/2144-9-0x00000000004E0000-0x00000000005E0000-memory.dmp

                        Filesize

                        1024KB

                      • memory/2144-11-0x0000000002190000-0x00000000021BD000-memory.dmp

                        Filesize

                        180KB

                      • memory/2144-12-0x0000000000400000-0x000000000042F000-memory.dmp

                        Filesize

                        188KB

                      • memory/2144-21-0x0000000000400000-0x000000000044A000-memory.dmp

                        Filesize

                        296KB

                      • memory/2144-22-0x0000000000400000-0x000000000042F000-memory.dmp

                        Filesize

                        188KB