Analysis

  • max time kernel
    91s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    05-09-2024 19:18

General

  • Target

    f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe

  • Size

    400KB

  • MD5

    20aee64eb5f74af09313e006b66c44ae

  • SHA1

    e85beab1a4fc1b30d8b3bf71b3bcbdfc59e14844

  • SHA256

    f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597

  • SHA512

    247884660a099486101d9d2df0582b40f516c881c4bc979a477f45bba26171ae5288e0aeec30d5d4379640106245d08615b9e2abbdcdf1a00623a78a852b5898

  • SSDEEP

    6144:MCU9HVfVe502sJQ62mp2XDHoB0ZakUgNx3COjao7MQRw:MCU9HVfk507Jf2mp2TIB0ZZ3CKr7

Malware Config

Extracted

Family

gcleaner

C2

80.66.75.114

45.91.200.135

Signatures

  • GCleaner

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

  • Downloads MZ/PE file
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 10 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\f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe
    "C:\Users\Admin\AppData\Local\Temp\f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 476
      2⤵
      • Program crash
      PID:4660
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 796
      2⤵
      • Program crash
      PID:2604
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 816
      2⤵
      • Program crash
      PID:4876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 856
      2⤵
      • Program crash
      PID:1996
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 892
      2⤵
      • Program crash
      PID:2464
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 976
      2⤵
      • Program crash
      PID:1636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 1088
      2⤵
      • Program crash
      PID:3944
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 1380
      2⤵
      • Program crash
      PID:2408
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 1712
      2⤵
      • Program crash
      PID:2276
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1788
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2532
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 488
      2⤵
      • Program crash
      PID:4944
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1212 -ip 1212
    1⤵
      PID:3980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1212 -ip 1212
      1⤵
        PID:2008
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1212 -ip 1212
        1⤵
          PID:1280
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1212 -ip 1212
          1⤵
            PID:3036
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1212 -ip 1212
            1⤵
              PID:2100
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1212 -ip 1212
              1⤵
                PID:1200
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1212 -ip 1212
                1⤵
                  PID:2252
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1212 -ip 1212
                  1⤵
                    PID:2856
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1212 -ip 1212
                    1⤵
                      PID:696
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1212 -ip 1212
                      1⤵
                        PID:1048

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XKWRT8IT\download[1].htm

                        Filesize

                        1B

                        MD5

                        cfcd208495d565ef66e7dff9f98764da

                        SHA1

                        b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                        SHA256

                        5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                        SHA512

                        31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                      • memory/1212-1-0x0000000000780000-0x0000000000880000-memory.dmp

                        Filesize

                        1024KB

                      • memory/1212-2-0x0000000002440000-0x000000000247B000-memory.dmp

                        Filesize

                        236KB

                      • memory/1212-3-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/1212-8-0x0000000010000000-0x000000001001C000-memory.dmp

                        Filesize

                        112KB

                      • memory/1212-13-0x0000000000780000-0x0000000000880000-memory.dmp

                        Filesize

                        1024KB

                      • memory/1212-15-0x0000000002440000-0x000000000247B000-memory.dmp

                        Filesize

                        236KB

                      • memory/1212-18-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/1212-17-0x0000000000400000-0x00000000005F8000-memory.dmp

                        Filesize

                        2.0MB

                      • memory/1212-35-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/1212-34-0x0000000000400000-0x00000000005F8000-memory.dmp

                        Filesize

                        2.0MB