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Analysis

  • max time kernel
    152s
  • max time network
    172s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20/09/2022, 05:20

General

  • Target

    aa322d0d504531b73c40011d42acd9e94d59d3a1b15a01bc1c01168a74a66c8b.exe

  • Size

    76KB

  • MD5

    1ba3b71abe380ea897b9943d35ac8634

  • SHA1

    3d9801841e195d2a8d317c026fe5b51f750b63ff

  • SHA256

    aa322d0d504531b73c40011d42acd9e94d59d3a1b15a01bc1c01168a74a66c8b

  • SHA512

    4de4e29408e87df6ac5f18545c6f3fcaad8a5c1a99491b585a8e8fae00a46de0f917f738eb6d89f50716d4f4a88b55546551ea88a63f63f2a925f8718f7ef5eb

  • SSDEEP

    768:P3rtHL1uKHMbw0KyJKNhkKqEAq/YDC+ggWo+rWEGmlH6W/mqsBdnmz5BZEyY7t82:fr1RupbQauqK/jhrP/mgnat82

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.

  • Loads dropped DLL 1 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 8 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 16 IoCs
  • Modifies registry class 22 IoCs
  • Script User-Agent 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1012
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Schedule
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:848
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s UserManager
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1384
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Themes
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1208
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s SENS
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1408
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1192
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1868
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2392
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2444
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Browser
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2612
    • 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:4336
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2704
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s WpnService
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2720
  • C:\Users\Admin\AppData\Local\Temp\aa322d0d504531b73c40011d42acd9e94d59d3a1b15a01bc1c01168a74a66c8b.exe
    "C:\Users\Admin\AppData\Local\Temp\aa322d0d504531b73c40011d42acd9e94d59d3a1b15a01bc1c01168a74a66c8b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4396
    • C:\Users\Admin\AppData\Local\Temp\aa322d0d504531b73c40011d42acd9e94d59d3a1b15a01bc1c01168a74a66c8b.exe
      "C:\Users\Admin\AppData\Local\Temp\aa322d0d504531b73c40011d42acd9e94d59d3a1b15a01bc1c01168a74a66c8b.exe" -h
      2⤵
        PID:4880
    • 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:4112
      • 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:4508

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      557KB

      MD5

      f1f63fb8caa7c9447692fe4dc35dce65

      SHA1

      ea4816ff6db602728e97c990c4e71822e262e87c

      SHA256

      67e6fcfa88fcfe4fa1c87671567bd8bcf3cb2f79a5cb88173552b2222bbd27d2

      SHA512

      e5984aa82fd76ebe9804678b722ca416c9a890bab10d20a0f0e2a9b348f86ac3da4c210ddb5bd09ecf489ac90cc9f8d1939a489a242fe436a3af84c09743aed5

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

      Filesize

      60KB

      MD5

      4d11bd6f3172584b3fda0e9efcaf0ddb

      SHA1

      0581c7f087f6538a1b6d4f05d928c1df24236944

      SHA256

      73314490c80e5eb09f586e12c1f035c44f11aeaa41d2f4b08aca476132578930

      SHA512

      6a023496e7ee03c2ff8e3ba445c7d7d5bfe6a1e1e1bae5c17dcf41e78ede84a166966579bf8cc7be7450d2516f869713907775e863670b10eb60c092492d2d04

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

      Filesize

      60KB

      MD5

      4d11bd6f3172584b3fda0e9efcaf0ddb

      SHA1

      0581c7f087f6538a1b6d4f05d928c1df24236944

      SHA256

      73314490c80e5eb09f586e12c1f035c44f11aeaa41d2f4b08aca476132578930

      SHA512

      6a023496e7ee03c2ff8e3ba445c7d7d5bfe6a1e1e1bae5c17dcf41e78ede84a166966579bf8cc7be7450d2516f869713907775e863670b10eb60c092492d2d04

    • memory/848-303-0x00000285A7C40000-0x00000285A7CB2000-memory.dmp

      Filesize

      456KB

    • memory/1012-298-0x0000024D0E700000-0x0000024D0E772000-memory.dmp

      Filesize

      456KB

    • memory/1192-302-0x00000222E5CE0000-0x00000222E5D52000-memory.dmp

      Filesize

      456KB

    • memory/1208-306-0x0000023303730000-0x00000233037A2000-memory.dmp

      Filesize

      456KB

    • memory/1384-307-0x0000023D5D980000-0x0000023D5D9F2000-memory.dmp

      Filesize

      456KB

    • memory/1408-304-0x0000019FC8640000-0x0000019FC86B2000-memory.dmp

      Filesize

      456KB

    • memory/1868-305-0x000001DE27240000-0x000001DE272B2000-memory.dmp

      Filesize

      456KB

    • memory/2392-300-0x000001EC26680000-0x000001EC266F2000-memory.dmp

      Filesize

      456KB

    • memory/2444-301-0x00000205CA220000-0x00000205CA292000-memory.dmp

      Filesize

      456KB

    • memory/2612-297-0x000001C39B030000-0x000001C39B0A2000-memory.dmp

      Filesize

      456KB

    • memory/2612-296-0x000001C39A7A0000-0x000001C39A7ED000-memory.dmp

      Filesize

      308KB

    • memory/2704-308-0x000001A46EB40000-0x000001A46EBB2000-memory.dmp

      Filesize

      456KB

    • memory/2720-309-0x00000216E0F10000-0x00000216E0F82000-memory.dmp

      Filesize

      456KB

    • memory/4336-299-0x000001A122DD0000-0x000001A122E42000-memory.dmp

      Filesize

      456KB

    • memory/4336-320-0x000001A125390000-0x000001A125494000-memory.dmp

      Filesize

      1.0MB

    • memory/4336-310-0x000001A122DD0000-0x000001A122E42000-memory.dmp

      Filesize

      456KB

    • memory/4336-313-0x000001A1245F0000-0x000001A12460B000-memory.dmp

      Filesize

      108KB

    • memory/4336-314-0x000001A125390000-0x000001A125494000-memory.dmp

      Filesize

      1.0MB

    • memory/4336-317-0x000001A124610000-0x000001A124630000-memory.dmp

      Filesize

      128KB

    • memory/4336-318-0x000001A124630000-0x000001A12464B000-memory.dmp

      Filesize

      108KB

    • memory/4336-319-0x000001A1245F0000-0x000001A12460B000-memory.dmp

      Filesize

      108KB

    • memory/4396-132-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-137-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-143-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-144-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-145-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-146-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-147-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-148-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-149-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-150-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-151-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-152-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-153-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-154-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-155-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-156-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-157-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-141-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-140-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-139-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-138-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-142-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-136-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-135-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-134-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-133-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-131-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-130-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-129-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-128-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-127-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-126-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-125-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-124-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-123-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-122-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-121-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-120-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-119-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-116-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-118-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4396-117-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4508-262-0x00000000010E0000-0x00000000011E8000-memory.dmp

      Filesize

      1.0MB

    • memory/4508-263-0x0000000000930000-0x0000000000A7A000-memory.dmp

      Filesize

      1.3MB

    • memory/4880-170-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-172-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-178-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-177-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-176-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-173-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-175-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-168-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-169-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-171-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-180-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-179-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-174-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-166-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-167-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-165-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-164-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-163-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-162-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-159-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-161-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB

    • memory/4880-160-0x0000000076FB0000-0x000000007713E000-memory.dmp

      Filesize

      1.6MB