Analysis

  • max time kernel
    81s
  • max time network
    85s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04-09-2024 09:39

General

  • Target

    cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe

  • Size

    277KB

  • MD5

    8ff1a02c7c96c93cc812e7106ecf2fe6

  • SHA1

    6dc570c9f59867bc0451d839e3b761f5b24df7a0

  • SHA256

    cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae

  • SHA512

    2c4392b207fdcae45e867045186a981494affe3261ae049b0dca9c4c0924aa24d1df026efbab0cea6173f762944916ea0906f757df8f4fe5ab26817450d2c907

  • SSDEEP

    6144:pBoUgpj8IR8spQ/krnpobL4A3LWmCj0hTi4Q6IjRtIw:ToUgp8spHs4AbW4hTikI

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 11 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\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe
    "C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4948
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 476
      2⤵
      • Program crash
      PID:3848
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 500
      2⤵
      • Program crash
      PID:4068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 780
      2⤵
      • Program crash
      PID:692
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 820
      2⤵
      • Program crash
      PID:4712
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 780
      2⤵
      • Program crash
      PID:4388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 872
      2⤵
      • Program crash
      PID:868
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 960
      2⤵
      • Program crash
      PID:2388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 964
      2⤵
      • Program crash
      PID:1156
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 1356
      2⤵
      • Program crash
      PID:2844
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 1644
      2⤵
      • Program crash
      PID:2908
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3796
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4724
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 1720
      2⤵
      • Program crash
      PID:900
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4948 -ip 4948
    1⤵
      PID:1352
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4948 -ip 4948
      1⤵
        PID:1360
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4948 -ip 4948
        1⤵
          PID:1340
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4948 -ip 4948
          1⤵
            PID:2628
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4948 -ip 4948
            1⤵
              PID:1440
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4948 -ip 4948
              1⤵
                PID:2452
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4948 -ip 4948
                1⤵
                  PID:2372
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4948 -ip 4948
                  1⤵
                    PID:4272
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4948 -ip 4948
                    1⤵
                      PID:4160
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4948 -ip 4948
                      1⤵
                        PID:2304
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4948 -ip 4948
                        1⤵
                          PID:2340

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\V1S8HV7P\download[1].htm

                          Filesize

                          1B

                          MD5

                          cfcd208495d565ef66e7dff9f98764da

                          SHA1

                          b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                          SHA256

                          5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                          SHA512

                          31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                        • memory/4948-1-0x0000000000690000-0x0000000000790000-memory.dmp

                          Filesize

                          1024KB

                        • memory/4948-2-0x00000000022B0000-0x00000000022EB000-memory.dmp

                          Filesize

                          236KB

                        • memory/4948-3-0x0000000000400000-0x000000000043F000-memory.dmp

                          Filesize

                          252KB

                        • memory/4948-8-0x0000000010000000-0x000000001001C000-memory.dmp

                          Filesize

                          112KB

                        • memory/4948-13-0x0000000000690000-0x0000000000790000-memory.dmp

                          Filesize

                          1024KB

                        • memory/4948-15-0x0000000000400000-0x000000000044D000-memory.dmp

                          Filesize

                          308KB

                        • memory/4948-16-0x00000000022B0000-0x00000000022EB000-memory.dmp

                          Filesize

                          236KB

                        • memory/4948-17-0x0000000000400000-0x000000000043F000-memory.dmp

                          Filesize

                          252KB

                        • memory/4948-29-0x0000000000400000-0x000000000044D000-memory.dmp

                          Filesize

                          308KB

                        • memory/4948-36-0x0000000000400000-0x000000000043F000-memory.dmp

                          Filesize

                          252KB

                        • memory/4948-35-0x0000000000400000-0x000000000044D000-memory.dmp

                          Filesize

                          308KB