Resubmissions

15-11-2024 18:05

241115-wpjcdsxrdy 10

11-11-2024 21:40

241111-1h6xbsxcql 10

03-12-2022 17:54

221203-wg4ncscc33 10

Analysis

  • max time kernel
    401s
  • max time network
    535s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 17:54

General

  • Target

    d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe

  • Size

    87KB

  • MD5

    769df9e877f419beb20a34515a4b211f

  • SHA1

    8de6ec68b339a3f8761703b20a3cfe1c4370f532

  • SHA256

    d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489

  • SHA512

    ef19bd14aac3260be66a30ff21fedf181ece14fb67e76546fa41b6462f2514645c0c2cd0a6244be1b03af71459114c66f28bc588eabaab3d340071a80aa8d8ea

  • SSDEEP

    1536:VpQKRk5UqXbkb2bM5XiE6cuR0Zng71jahYQeEmus8jcd3WWn7q:r6rkb2b6S3cuREn0ahZeEmr3WWn7q

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 13 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 22 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
      PID:464
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k netsvcs
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of SetThreadContext
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:856
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k WspService
        2⤵
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        PID:1720
    • C:\Users\Admin\AppData\Local\Temp\d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe
      "C:\Users\Admin\AppData\Local\Temp\d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:808
      • C:\Users\Admin\AppData\Local\Temp\d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe
        "C:\Users\Admin\AppData\Local\Temp\d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe" -q
        2⤵
          PID:1304
      • C:\Windows\system32\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open
        1⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:316
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open
          2⤵
          • Loads dropped DLL
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1744

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\db.dat

        Filesize

        557KB

        MD5

        6f5100f5d8d2943c6501864c21c45542

        SHA1

        ad0bd5d65f09ea329d6abb665ef74b7d13060ea5

        SHA256

        6cbbc3fd7776ba8b5d2f4e6e33e510c7e71f56431500fe36da1da06ce9d8f177

        SHA512

        e4f8287fc8ebccc31a805e8c4cf71fefe4445c283e853b175930c29a8b42079522ef35f1c478282cf10c248e4d6f2ebdaf1a7c231cde75a7e84e76bafcaa42d4

      • C:\Users\Admin\AppData\Local\Temp\db.dll

        Filesize

        52KB

        MD5

        845a5f94673e266f80fae41538a94db1

        SHA1

        a8ed5ba958b94eb55a44f20a4791a58b76e91f0c

        SHA256

        3d73e4425bb7294f20ef86096504ab96d288bd70d2bc6a8361b629903f3b1d01

        SHA512

        f01450a61a6b2daec92fab31c9f153c76574f169f3fef2c6d0cf9283cf730a099c9b7c0cbc4ac44cc4d3c067565a49b8135aa85b745ea340a9d5f8c9dc5c3f81

      • \Users\Admin\AppData\Local\Temp\db.dll

        Filesize

        52KB

        MD5

        845a5f94673e266f80fae41538a94db1

        SHA1

        a8ed5ba958b94eb55a44f20a4791a58b76e91f0c

        SHA256

        3d73e4425bb7294f20ef86096504ab96d288bd70d2bc6a8361b629903f3b1d01

        SHA512

        f01450a61a6b2daec92fab31c9f153c76574f169f3fef2c6d0cf9283cf730a099c9b7c0cbc4ac44cc4d3c067565a49b8135aa85b745ea340a9d5f8c9dc5c3f81

      • \Users\Admin\AppData\Local\Temp\db.dll

        Filesize

        52KB

        MD5

        845a5f94673e266f80fae41538a94db1

        SHA1

        a8ed5ba958b94eb55a44f20a4791a58b76e91f0c

        SHA256

        3d73e4425bb7294f20ef86096504ab96d288bd70d2bc6a8361b629903f3b1d01

        SHA512

        f01450a61a6b2daec92fab31c9f153c76574f169f3fef2c6d0cf9283cf730a099c9b7c0cbc4ac44cc4d3c067565a49b8135aa85b745ea340a9d5f8c9dc5c3f81

      • \Users\Admin\AppData\Local\Temp\db.dll

        Filesize

        52KB

        MD5

        845a5f94673e266f80fae41538a94db1

        SHA1

        a8ed5ba958b94eb55a44f20a4791a58b76e91f0c

        SHA256

        3d73e4425bb7294f20ef86096504ab96d288bd70d2bc6a8361b629903f3b1d01

        SHA512

        f01450a61a6b2daec92fab31c9f153c76574f169f3fef2c6d0cf9283cf730a099c9b7c0cbc4ac44cc4d3c067565a49b8135aa85b745ea340a9d5f8c9dc5c3f81

      • \Users\Admin\AppData\Local\Temp\db.dll

        Filesize

        52KB

        MD5

        845a5f94673e266f80fae41538a94db1

        SHA1

        a8ed5ba958b94eb55a44f20a4791a58b76e91f0c

        SHA256

        3d73e4425bb7294f20ef86096504ab96d288bd70d2bc6a8361b629903f3b1d01

        SHA512

        f01450a61a6b2daec92fab31c9f153c76574f169f3fef2c6d0cf9283cf730a099c9b7c0cbc4ac44cc4d3c067565a49b8135aa85b745ea340a9d5f8c9dc5c3f81

      • memory/808-54-0x0000000076391000-0x0000000076393000-memory.dmp

        Filesize

        8KB

      • memory/856-69-0x0000000000950000-0x000000000099D000-memory.dmp

        Filesize

        308KB

      • memory/856-73-0x0000000000950000-0x000000000099D000-memory.dmp

        Filesize

        308KB

      • memory/856-70-0x0000000000BE0000-0x0000000000C52000-memory.dmp

        Filesize

        456KB

      • memory/1304-55-0x0000000000000000-mapping.dmp

      • memory/1720-74-0x0000000000490000-0x0000000000502000-memory.dmp

        Filesize

        456KB

      • memory/1720-77-0x0000000002010000-0x0000000002030000-memory.dmp

        Filesize

        128KB

      • memory/1720-67-0x00000000FFBC246C-mapping.dmp

      • memory/1720-65-0x0000000000060000-0x00000000000AD000-memory.dmp

        Filesize

        308KB

      • memory/1720-71-0x0000000000060000-0x00000000000AD000-memory.dmp

        Filesize

        308KB

      • memory/1720-72-0x0000000000490000-0x0000000000502000-memory.dmp

        Filesize

        456KB

      • memory/1720-82-0x000007FEFBA81000-0x000007FEFBA83000-memory.dmp

        Filesize

        8KB

      • memory/1720-81-0x0000000002010000-0x0000000002030000-memory.dmp

        Filesize

        128KB

      • memory/1720-75-0x0000000000200000-0x000000000021B000-memory.dmp

        Filesize

        108KB

      • memory/1720-76-0x0000000002EF0000-0x0000000002FFA000-memory.dmp

        Filesize

        1.0MB

      • memory/1720-80-0x0000000002EF0000-0x0000000002FFA000-memory.dmp

        Filesize

        1.0MB

      • memory/1720-78-0x0000000002030000-0x000000000204B000-memory.dmp

        Filesize

        108KB

      • memory/1720-79-0x0000000000200000-0x000000000021B000-memory.dmp

        Filesize

        108KB

      • memory/1744-68-0x00000000002B0000-0x000000000030E000-memory.dmp

        Filesize

        376KB

      • memory/1744-57-0x0000000000000000-mapping.dmp

      • memory/1744-64-0x0000000001D90000-0x0000000001E91000-memory.dmp

        Filesize

        1.0MB