Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-05-2024 12:21

General

  • Target

    c53ff8836f00571d7fce210a7596c52dc073387f723b9a57ff48750ae2f0505d.exe

  • Size

    329KB

  • MD5

    f5d01b5b15f2bb02ac0cb11a4043e3cd

  • SHA1

    ebcf77b8a8b6d84ffe01f0b7f7c038a36ae7a664

  • SHA256

    c53ff8836f00571d7fce210a7596c52dc073387f723b9a57ff48750ae2f0505d

  • SHA512

    9dc1a7f1594cc5782e8dbf0d3a21ee45acba98391441b5f85b595521b699a0645f544536a8de1b72d3cff23138c122dd11f32cb153df393f5a694ad5264353f3

  • SSDEEP

    3072:IOXkj5X1MmGKbG2K9TYIB3BpqqUMOOU52IkqXVs9xXBA1d45d1o1Wq4OG57yZDJv:IOXe5XZbwqVqUMOO/N5Bk4b1oYXONf

Score
10/10

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.64.56

185.172.128.69

Signatures

  • GCleaner

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

  • Downloads MZ/PE file
  • 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
  • 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\c53ff8836f00571d7fce210a7596c52dc073387f723b9a57ff48750ae2f0505d.exe
    "C:\Users\Admin\AppData\Local\Temp\c53ff8836f00571d7fce210a7596c52dc073387f723b9a57ff48750ae2f0505d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:536
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 452
      2⤵
      • Program crash
      PID:1684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 772
      2⤵
      • Program crash
      PID:1116
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 780
      2⤵
      • Program crash
      PID:1528
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 804
      2⤵
      • Program crash
      PID:5108
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 856
      2⤵
      • Program crash
      PID:3308
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 916
      2⤵
      • Program crash
      PID:3304
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 1020
      2⤵
      • Program crash
      PID:224
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 1576
      2⤵
      • Program crash
      PID:1488
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "c53ff8836f00571d7fce210a7596c52dc073387f723b9a57ff48750ae2f0505d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c53ff8836f00571d7fce210a7596c52dc073387f723b9a57ff48750ae2f0505d.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2476
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "c53ff8836f00571d7fce210a7596c52dc073387f723b9a57ff48750ae2f0505d.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3272
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 1696
      2⤵
      • Program crash
      PID:4408
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 536 -ip 536
    1⤵
      PID:1512
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 536 -ip 536
      1⤵
        PID:2284
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 536 -ip 536
        1⤵
          PID:2644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 536 -ip 536
          1⤵
            PID:3552
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 536 -ip 536
            1⤵
              PID:4268
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 536 -ip 536
              1⤵
                PID:4944
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 536 -ip 536
                1⤵
                  PID:1608
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 536 -ip 536
                  1⤵
                    PID:2636
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 536 -ip 536
                    1⤵
                      PID:4160

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9O7X9C7J\advdlc[1].htm

                      Filesize

                      1B

                      MD5

                      cfcd208495d565ef66e7dff9f98764da

                      SHA1

                      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                      SHA256

                      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                      SHA512

                      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                    • memory/536-1-0x0000000001FB0000-0x00000000020B0000-memory.dmp

                      Filesize

                      1024KB

                    • memory/536-2-0x0000000002240000-0x000000000227C000-memory.dmp

                      Filesize

                      240KB

                    • memory/536-3-0x0000000000400000-0x0000000000440000-memory.dmp

                      Filesize

                      256KB

                    • memory/536-8-0x0000000010000000-0x000000001001C000-memory.dmp

                      Filesize

                      112KB

                    • memory/536-15-0x0000000000400000-0x0000000001F9E000-memory.dmp

                      Filesize

                      27.6MB

                    • memory/536-19-0x0000000001FB0000-0x00000000020B0000-memory.dmp

                      Filesize

                      1024KB

                    • memory/536-23-0x0000000000400000-0x0000000000440000-memory.dmp

                      Filesize

                      256KB

                    • memory/536-34-0x0000000000400000-0x0000000000440000-memory.dmp

                      Filesize

                      256KB

                    • memory/536-33-0x0000000000400000-0x0000000001F9E000-memory.dmp

                      Filesize

                      27.6MB