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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/09/2024, 10:39

General

  • Target

    bb59713d6dbe3e5f28870e0bdcc9b49d0002ca398b37487735b2f1758553fea2.exe

  • Size

    439KB

  • MD5

    c8be510dfe2d9af32045b559496e4042

  • SHA1

    b4c76babf91db8a6e19b7c3dec52da439c67b8a8

  • SHA256

    bb59713d6dbe3e5f28870e0bdcc9b49d0002ca398b37487735b2f1758553fea2

  • SHA512

    c3492fddd3b8ccf1530b8b23cda896c73099e157401675a8b2b76c55aaaa8e854f654904ec06f0fbd1ffb5b552691a8ddc11de6551e21d2703264377ff9247ce

  • SSDEEP

    3072:UJtpmuVmHcWw0dfLROn/BdKxbk4Pe+7tpmcivOTGsFOp1W7rZ2meLAgtol5OjjKc:ItRVmHcWHdf0KVHiv+OpsYvZoOK+l8O

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 13 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\bb59713d6dbe3e5f28870e0bdcc9b49d0002ca398b37487735b2f1758553fea2.exe
    "C:\Users\Admin\AppData\Local\Temp\bb59713d6dbe3e5f28870e0bdcc9b49d0002ca398b37487735b2f1758553fea2.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4916
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 444
      2⤵
      • Program crash
      PID:1708
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 476
      2⤵
      • Program crash
      PID:864
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 748
      2⤵
      • Program crash
      PID:3328
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 788
      2⤵
      • Program crash
      PID:5072
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 812
      2⤵
      • Program crash
      PID:3280
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 860
      2⤵
      • Program crash
      PID:4524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 912
      2⤵
      • Program crash
      PID:1288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 1008
      2⤵
      • Program crash
      PID:1764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 752
      2⤵
      • Program crash
      PID:4308
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 1404
      2⤵
      • Program crash
      PID:4776
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 1672
      2⤵
      • Program crash
      PID:4288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 1380
      2⤵
      • Program crash
      PID:4488
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "bb59713d6dbe3e5f28870e0bdcc9b49d0002ca398b37487735b2f1758553fea2.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\bb59713d6dbe3e5f28870e0bdcc9b49d0002ca398b37487735b2f1758553fea2.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:448
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "bb59713d6dbe3e5f28870e0bdcc9b49d0002ca398b37487735b2f1758553fea2.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1220
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 1384
      2⤵
      • Program crash
      PID:2128
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4916 -ip 4916
    1⤵
      PID:3628
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4916 -ip 4916
      1⤵
        PID:3104
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4916 -ip 4916
        1⤵
          PID:1500
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4916 -ip 4916
          1⤵
            PID:3928
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4916 -ip 4916
            1⤵
              PID:4284
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4916 -ip 4916
              1⤵
                PID:1340
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 4916 -ip 4916
                1⤵
                  PID:1972
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4916 -ip 4916
                  1⤵
                    PID:1416
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4916 -ip 4916
                    1⤵
                      PID:4692
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4916 -ip 4916
                      1⤵
                        PID:1768
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4916 -ip 4916
                        1⤵
                          PID:4760
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4916 -ip 4916
                          1⤵
                            PID:5084
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4916 -ip 4916
                            1⤵
                              PID:3600

                            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/4916-1-0x0000000002510000-0x0000000002610000-memory.dmp

                              Filesize

                              1024KB

                            • memory/4916-2-0x00000000041D0000-0x000000000420B000-memory.dmp

                              Filesize

                              236KB

                            • memory/4916-3-0x0000000000400000-0x000000000043F000-memory.dmp

                              Filesize

                              252KB

                            • memory/4916-8-0x0000000010000000-0x000000001001C000-memory.dmp

                              Filesize

                              112KB

                            • memory/4916-12-0x0000000002510000-0x0000000002610000-memory.dmp

                              Filesize

                              1024KB

                            • memory/4916-15-0x00000000041D0000-0x000000000420B000-memory.dmp

                              Filesize

                              236KB

                            • memory/4916-14-0x0000000000400000-0x0000000002487000-memory.dmp

                              Filesize

                              32.5MB

                            • memory/4916-16-0x0000000000400000-0x000000000043F000-memory.dmp

                              Filesize

                              252KB

                            • memory/4916-30-0x0000000000400000-0x0000000002487000-memory.dmp

                              Filesize

                              32.5MB

                            • memory/4916-47-0x0000000000400000-0x000000000043F000-memory.dmp

                              Filesize

                              252KB

                            • memory/4916-46-0x0000000000400000-0x0000000002487000-memory.dmp

                              Filesize

                              32.5MB