Analysis

  • max time kernel
    94s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-11-2024 15:04

General

  • Target

    Mr4X5srRQR20TfuVZShfsrAN.exe

  • Size

    321KB

  • MD5

    94c78c311f499024a9f97cfdbb073623

  • SHA1

    50e91d3eaa06d2183bf8c6c411947304421c5626

  • SHA256

    6aef62b3b8890bc22dd99f9b0d48247ae52c69e7ad9e384332658e73c725e40e

  • SHA512

    29b61f1924f19d073460332950c2316acf769aa40ad7f62a41941160cd8a8da5958e8f96183e0e498afe8558fc3efb3a23f66c7519c142c780c91279ddecb545

  • SSDEEP

    6144:DQbZ65iKd8Ro5c7bW+7kUyptNv+6FsVAIXRwGA69PZ+9ElvczV:6Z65im8Rb7D7kUyP5cVAIhwGA69B+9uY

Malware Config

Extracted

Family

gcleaner

C2

194.145.227.161

Signatures

  • GCleaner

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

  • Gcleaner family
  • OnlyLogger

    A tiny loader that uses IPLogger to get its payload.

  • Onlylogger family
  • OnlyLogger payload 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • 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 6 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Mr4X5srRQR20TfuVZShfsrAN.exe
    "C:\Users\Admin\AppData\Local\Temp\Mr4X5srRQR20TfuVZShfsrAN.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 316 -s 636
      2⤵
      • Program crash
      PID:1336
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 316 -s 672
      2⤵
      • Program crash
      PID:1936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 316 -s 788
      2⤵
      • Program crash
      PID:648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 316 -s 788
      2⤵
      • Program crash
      PID:1496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 316 -s 748
      2⤵
      • Program crash
      PID:4568
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 316 -s 1012
      2⤵
      • Program crash
      PID:2512
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 316 -s 1068
      2⤵
      • Program crash
      PID:664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 316 -s 1488
      2⤵
      • Program crash
      PID:2212
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{z0yt-FZ3gJ-c72g-OGeqX}\45284450482.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2204
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{z0yt-FZ3gJ-c72g-OGeqX}\57930471674.exe" /mix
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4512
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{z0yt-FZ3gJ-c72g-OGeqX}\87846857337.exe" /mix
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3436
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 316 -s 1852
      2⤵
      • Program crash
      PID:4092
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "Mr4X5srRQR20TfuVZShfsrAN.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\Mr4X5srRQR20TfuVZShfsrAN.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:212
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "Mr4X5srRQR20TfuVZShfsrAN.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3516
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 316 -s 1492
      2⤵
      • Program crash
      PID:3388
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 316 -ip 316
    1⤵
      PID:460
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 316 -ip 316
      1⤵
        PID:2868
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 316 -ip 316
        1⤵
          PID:4208
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 316 -ip 316
          1⤵
            PID:4668
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 316 -ip 316
            1⤵
              PID:3292
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 316 -ip 316
              1⤵
                PID:5080
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 316 -ip 316
                1⤵
                  PID:4468
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 316 -ip 316
                  1⤵
                    PID:5068
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 316 -ip 316
                    1⤵
                      PID:3984
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 316 -ip 316
                      1⤵
                        PID:4792

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      • C:\Users\Admin\AppData\Local\Temp\{z0yt-FZ3gJ-c72g-OGeqX}\45284450482.exe

                        Filesize

                        277B

                        MD5

                        6445250d234e789c0c2afe69f119e326

                        SHA1

                        03074f75c0ff50783d8c2e32d96e39b746540f66

                        SHA256

                        2e6cd9433e66a9ebde268bc6949d4660de441790bd39ffc9cb0f4caaeb44320f

                        SHA512

                        ecd094a4d026378f85435f8a2dc16c92c033aff92ba126d8bbb22d6b279b842d417f4df0f63199ea248d0ec64b9679acb5a1f835560d8e3c5b84be492cc0e68e

                      • memory/316-1-0x00000000025C0000-0x00000000026C0000-memory.dmp

                        Filesize

                        1024KB

                      • memory/316-2-0x0000000002520000-0x0000000002550000-memory.dmp

                        Filesize

                        192KB

                      • memory/316-3-0x0000000000400000-0x0000000000432000-memory.dmp

                        Filesize

                        200KB

                      • memory/316-12-0x0000000000400000-0x0000000000432000-memory.dmp

                        Filesize

                        200KB

                      • memory/316-11-0x0000000002520000-0x0000000002550000-memory.dmp

                        Filesize

                        192KB

                      • memory/316-10-0x0000000000400000-0x00000000023BB000-memory.dmp

                        Filesize

                        31.7MB