Analysis

  • max time kernel
    93s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
  • 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\f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe
    "C:\Users\Admin\AppData\Local\Temp\f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 444
      2⤵
      • Program crash
      PID:2012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 764
      2⤵
      • Program crash
      PID:4732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 772
      2⤵
      • Program crash
      PID:4540
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 796
      2⤵
      • Program crash
      PID:1856
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 804
      2⤵
      • Program crash
      PID:4720
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 928
      2⤵
      • Program crash
      PID:5060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 928
      2⤵
      • Program crash
      PID:3632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 1688
      2⤵
      • Program crash
      PID:1404
    • 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:544
      • 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:448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 508
      2⤵
      • Program crash
      PID:1900
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1184 -ip 1184
    1⤵
      PID:1784
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1184 -ip 1184
      1⤵
        PID:3044
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1184 -ip 1184
        1⤵
          PID:4392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 1184 -ip 1184
          1⤵
            PID:4992
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1184 -ip 1184
            1⤵
              PID:1560
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1184 -ip 1184
              1⤵
                PID:4008
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1184 -ip 1184
                1⤵
                  PID:2476
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 1184 -ip 1184
                  1⤵
                    PID:3100
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1184 -ip 1184
                    1⤵
                      PID:1492

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\THHXO5RX\download[1].htm

                      Filesize

                      1B

                      MD5

                      cfcd208495d565ef66e7dff9f98764da

                      SHA1

                      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                      SHA256

                      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                      SHA512

                      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                    • memory/1184-1-0x0000000000610000-0x0000000000710000-memory.dmp

                      Filesize

                      1024KB

                    • memory/1184-2-0x0000000002340000-0x000000000237B000-memory.dmp

                      Filesize

                      236KB

                    • memory/1184-3-0x0000000000400000-0x000000000043F000-memory.dmp

                      Filesize

                      252KB

                    • memory/1184-8-0x0000000010000000-0x000000001001C000-memory.dmp

                      Filesize

                      112KB

                    • memory/1184-13-0x0000000000610000-0x0000000000710000-memory.dmp

                      Filesize

                      1024KB

                    • memory/1184-16-0x0000000002340000-0x000000000237B000-memory.dmp

                      Filesize

                      236KB

                    • memory/1184-15-0x0000000000400000-0x00000000005F8000-memory.dmp

                      Filesize

                      2.0MB

                    • memory/1184-17-0x0000000000400000-0x000000000043F000-memory.dmp

                      Filesize

                      252KB

                    • memory/1184-27-0x0000000000400000-0x00000000005F8000-memory.dmp

                      Filesize

                      2.0MB

                    • memory/1184-36-0x0000000000400000-0x000000000043F000-memory.dmp

                      Filesize

                      252KB

                    • memory/1184-35-0x0000000000400000-0x00000000005F8000-memory.dmp

                      Filesize

                      2.0MB