Analysis

  • max time kernel
    173s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2022 05:36

General

  • Target

    b0ca0c818554939b2e8043c4605298f8f2ab0071cafddaf36d6a08684f5a2d02.exe

  • Size

    759KB

  • MD5

    02cf06a70cf46b0c7a09db8531bebb50

  • SHA1

    f6e7407628eb18ae391a44396e7e1993dd28e2ce

  • SHA256

    b0ca0c818554939b2e8043c4605298f8f2ab0071cafddaf36d6a08684f5a2d02

  • SHA512

    53d1ac6f87b16cc377909f53d2f5fd691476e8f896b7307eda5e118239a5116c150f11a0746a7ea103edcfeb2ff934aa8d6977eca862e2735a7d4403ccb8e7da

  • SSDEEP

    12288:O1dlZo5y/RjeQE0A5U/ZvUzTdJCJ5/rcIpwOGSgO8AtmuasL/OeTk2CcpqItSPBS:O1dlZo5YRCQE9U/hUlw7n6SB/OrYqI8Y

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0ca0c818554939b2e8043c4605298f8f2ab0071cafddaf36d6a08684f5a2d02.exe
    "C:\Users\Admin\AppData\Local\Temp\b0ca0c818554939b2e8043c4605298f8f2ab0071cafddaf36d6a08684f5a2d02.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4608
    • C:\Extracted\idm.exe
      "C:\Extracted\idm.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4908
      • C:\Users\Admin\AppData\Local\Temp\srvhost.exe
        "C:\Users\Admin\AppData\Local\Temp\srvhost.exe"
        3⤵
        • Executes dropped EXE
        • Drops startup file
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:512
        • C:\Windows\SYSTEM32\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\srvhost.exe" "srvhost.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:3680
    • C:\Extracted\Creative Cloud Set-Up.exe
      "C:\Extracted\Creative Cloud Set-Up.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:4968

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Extracted\Creative Cloud Set-Up.exe

    Filesize

    600KB

    MD5

    1d021a009ba55f3843403a738e4b4a6b

    SHA1

    16916fc5c8701f899b420a4b487f41f85b438075

    SHA256

    42baf8c8943c905f8ed860ada40f30559f8b63ec8f7635148345a611d2495f00

    SHA512

    0df78ba3665efaf6c6649b88a44e74a2b83ac0ed02e55ab0bc9b333ae177c437dbda0022f73ac46928f82b0edb511a71cf860f3ae645a7ce3707fddcf8e3d72c

  • C:\Extracted\Creative Cloud Set-Up.exe

    Filesize

    600KB

    MD5

    1d021a009ba55f3843403a738e4b4a6b

    SHA1

    16916fc5c8701f899b420a4b487f41f85b438075

    SHA256

    42baf8c8943c905f8ed860ada40f30559f8b63ec8f7635148345a611d2495f00

    SHA512

    0df78ba3665efaf6c6649b88a44e74a2b83ac0ed02e55ab0bc9b333ae177c437dbda0022f73ac46928f82b0edb511a71cf860f3ae645a7ce3707fddcf8e3d72c

  • C:\Extracted\idm.exe

    Filesize

    93KB

    MD5

    5b010258a27e8e3398bf3c5a30c5f132

    SHA1

    8c567f40a929893588c138eb0d0a5795e31edf3e

    SHA256

    fe32ac4d77d96712c44416c0b73a8dd0f06423a28e950a9f0105699e35fd955e

    SHA512

    26cd4e676f6b464f460a8cb16b9fcd1a225805eb395f76427578d95f16fd496855410212a972bdb4638f9f36028f1bf5d3f21fb5769b9e530af66b6c130992b8

  • C:\Extracted\idm.exe

    Filesize

    93KB

    MD5

    5b010258a27e8e3398bf3c5a30c5f132

    SHA1

    8c567f40a929893588c138eb0d0a5795e31edf3e

    SHA256

    fe32ac4d77d96712c44416c0b73a8dd0f06423a28e950a9f0105699e35fd955e

    SHA512

    26cd4e676f6b464f460a8cb16b9fcd1a225805eb395f76427578d95f16fd496855410212a972bdb4638f9f36028f1bf5d3f21fb5769b9e530af66b6c130992b8

  • C:\Users\Admin\AppData\Local\Temp\srvhost.exe

    Filesize

    93KB

    MD5

    5b010258a27e8e3398bf3c5a30c5f132

    SHA1

    8c567f40a929893588c138eb0d0a5795e31edf3e

    SHA256

    fe32ac4d77d96712c44416c0b73a8dd0f06423a28e950a9f0105699e35fd955e

    SHA512

    26cd4e676f6b464f460a8cb16b9fcd1a225805eb395f76427578d95f16fd496855410212a972bdb4638f9f36028f1bf5d3f21fb5769b9e530af66b6c130992b8

  • C:\Users\Admin\AppData\Local\Temp\srvhost.exe

    Filesize

    93KB

    MD5

    5b010258a27e8e3398bf3c5a30c5f132

    SHA1

    8c567f40a929893588c138eb0d0a5795e31edf3e

    SHA256

    fe32ac4d77d96712c44416c0b73a8dd0f06423a28e950a9f0105699e35fd955e

    SHA512

    26cd4e676f6b464f460a8cb16b9fcd1a225805eb395f76427578d95f16fd496855410212a972bdb4638f9f36028f1bf5d3f21fb5769b9e530af66b6c130992b8

  • memory/512-148-0x00007FF833AC0000-0x00007FF834581000-memory.dmp

    Filesize

    10.8MB

  • memory/512-145-0x00007FF833AC0000-0x00007FF834581000-memory.dmp

    Filesize

    10.8MB

  • memory/4908-136-0x00007FF833AC0000-0x00007FF834581000-memory.dmp

    Filesize

    10.8MB

  • memory/4908-140-0x00007FF833AC0000-0x00007FF834581000-memory.dmp

    Filesize

    10.8MB

  • memory/4908-135-0x0000000000C10000-0x0000000000C2E000-memory.dmp

    Filesize

    120KB

  • memory/4968-146-0x00000000005B0000-0x00000000007DD000-memory.dmp

    Filesize

    2.2MB

  • memory/4968-147-0x0000000000D30000-0x0000000000D33000-memory.dmp

    Filesize

    12KB

  • memory/4968-149-0x00000000005B0000-0x00000000007DD000-memory.dmp

    Filesize

    2.2MB