Analysis

  • max time kernel
    92s
  • max time network
    93s
  • 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 11:44

General

  • Target

    c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe

  • Size

    423KB

  • MD5

    1e574c803a9a0fa1d042b3aeff1cb2b8

  • SHA1

    9c0f34945f89aa5c2a8db2c9269d507e17e09ede

  • SHA256

    c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92

  • SHA512

    6d1a82469a29f3a309054ebd3d55f033cd9fbe5391b9347e7be901ef6e0672fae29c845e2e9de383e1420653ee25e77ec413810e394fb3ab040a6a417d03a5fe

  • SSDEEP

    6144:m92HcDLKsEmssotEup5AfWJXQJSFUK07gOR:mMHcDLDnssotbqfwdFQJR

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\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe
    "C:\Users\Admin\AppData\Local\Temp\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4116
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 748
      2⤵
      • Program crash
      PID:1988
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 740
      2⤵
      • Program crash
      PID:2008
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 748
      2⤵
      • Program crash
      PID:4224
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 832
      2⤵
      • Program crash
      PID:1264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 904
      2⤵
      • Program crash
      PID:3400
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 976
      2⤵
      • Program crash
      PID:4940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 1120
      2⤵
      • Program crash
      PID:4456
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 1332
      2⤵
      • Program crash
      PID:2324
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3356
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4124
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 1296
      2⤵
      • Program crash
      PID:4560
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4116 -ip 4116
    1⤵
      PID:3280
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4116 -ip 4116
      1⤵
        PID:4532
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4116 -ip 4116
        1⤵
          PID:2776
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4116 -ip 4116
          1⤵
            PID:2712
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4116 -ip 4116
            1⤵
              PID:4752
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4116 -ip 4116
              1⤵
                PID:5032
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4116 -ip 4116
                1⤵
                  PID:1500
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4116 -ip 4116
                  1⤵
                    PID:3144
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4116 -ip 4116
                    1⤵
                      PID:4756

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\LI43KEDR\download[1].htm

                      Filesize

                      1B

                      MD5

                      cfcd208495d565ef66e7dff9f98764da

                      SHA1

                      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                      SHA256

                      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                      SHA512

                      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                    • memory/4116-1-0x0000000000610000-0x0000000000710000-memory.dmp

                      Filesize

                      1024KB

                    • memory/4116-2-0x0000000002340000-0x000000000236D000-memory.dmp

                      Filesize

                      180KB

                    • memory/4116-3-0x0000000000400000-0x000000000042F000-memory.dmp

                      Filesize

                      188KB

                    • memory/4116-8-0x0000000000610000-0x0000000000710000-memory.dmp

                      Filesize

                      1024KB

                    • memory/4116-11-0x0000000002340000-0x000000000236D000-memory.dmp

                      Filesize

                      180KB

                    • memory/4116-10-0x0000000000400000-0x00000000005FE000-memory.dmp

                      Filesize

                      2.0MB

                    • memory/4116-12-0x0000000000400000-0x000000000042F000-memory.dmp

                      Filesize

                      188KB

                    • memory/4116-22-0x0000000000400000-0x000000000042F000-memory.dmp

                      Filesize

                      188KB

                    • memory/4116-21-0x0000000000400000-0x00000000005FE000-memory.dmp

                      Filesize

                      2.0MB