Analysis

  • max time kernel
    299s
  • max time network
    177s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    02-01-2023 22:18

General

  • Target

    c82ab145610c19c3f5a1462196b41347c9786f5e600bdaa477bb98814461d279.exe

  • Size

    131KB

  • MD5

    c139e5739b99c5a835aaf6642b7a4378

  • SHA1

    4ef2c73cd79984bd634adddbeef4dd091394ff46

  • SHA256

    c82ab145610c19c3f5a1462196b41347c9786f5e600bdaa477bb98814461d279

  • SHA512

    2fdfcc9534a8045976a795373557ad60548c36ea3c54e334e4a337100e3a879f802989b2dcac6565688f466d5fbde8e4e1e5e7d1b54151aacd2408329140f799

  • SSDEEP

    3072:wLDfdYjOWlRjd+J3lIV4g4SAacOWJPMbwbNddf7wHx7hzlP:wvdkOhfPMcDN7I7tlP

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 37 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:984
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1148
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Themes
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1192
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s UserManager
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1380
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s SENS
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1432
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Schedule
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1028
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2372
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s WpnService
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2680
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2668
  • 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:2552
    • 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:3676
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2340
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1836
  • C:\Users\Admin\AppData\Local\Temp\c82ab145610c19c3f5a1462196b41347c9786f5e600bdaa477bb98814461d279.exe
    "C:\Users\Admin\AppData\Local\Temp\c82ab145610c19c3f5a1462196b41347c9786f5e600bdaa477bb98814461d279.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3824
    • C:\Users\Admin\AppData\Local\Temp\c82ab145610c19c3f5a1462196b41347c9786f5e600bdaa477bb98814461d279.exe
      "C:\Users\Admin\AppData\Local\Temp\c82ab145610c19c3f5a1462196b41347c9786f5e600bdaa477bb98814461d279.exe" -h
      2⤵
        PID:4092
    • 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:4200
      • 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:3440

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      557KB

      MD5

      30d5f615722d12fdda4f378048221909

      SHA1

      e94e3e3a6fae8b29f0f80128761ad1b69304a7eb

      SHA256

      b7cb464cd0c61026ec38d89c0a041393bc9369e217303677551eec65a09d2628

      SHA512

      a561a224d7228ec531a966c7dbd6bc88138e2f4a1c8112e5950644f69bf3a43b1e87e03bc1b4fd5e9ca071b5a9353b18697573404602ccd51f2946faf95144c2

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

      Filesize

      52KB

      MD5

      0b35335b70b96d31633d0caa207d71f9

      SHA1

      996c7804fe4d85025e2bd7ea8aa5e33c71518f84

      SHA256

      ec01d244074f45d4f698f5713147e99d76053824a648b306e1debf69f3ba9ce6

      SHA512

      ab3d770e99b3f379165863808f3ffc55d64d8e9384a158e6695d7325e97fa1bb570c5088ccdc1d2c3b90df5be11d6722ede15e7b6552bf90e748cb9c28ab94ce

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

      Filesize

      52KB

      MD5

      0b35335b70b96d31633d0caa207d71f9

      SHA1

      996c7804fe4d85025e2bd7ea8aa5e33c71518f84

      SHA256

      ec01d244074f45d4f698f5713147e99d76053824a648b306e1debf69f3ba9ce6

      SHA512

      ab3d770e99b3f379165863808f3ffc55d64d8e9384a158e6695d7325e97fa1bb570c5088ccdc1d2c3b90df5be11d6722ede15e7b6552bf90e748cb9c28ab94ce

    • memory/984-308-0x000001857AAD0000-0x000001857AB42000-memory.dmp

      Filesize

      456KB

    • memory/1028-314-0x0000016477AA0000-0x0000016477B12000-memory.dmp

      Filesize

      456KB

    • memory/1148-313-0x000001B839F40000-0x000001B839FB2000-memory.dmp

      Filesize

      456KB

    • memory/1192-317-0x000002161B3A0000-0x000002161B412000-memory.dmp

      Filesize

      456KB

    • memory/1380-318-0x0000018BA62A0000-0x0000018BA6312000-memory.dmp

      Filesize

      456KB

    • memory/1432-315-0x0000018855970000-0x00000188559E2000-memory.dmp

      Filesize

      456KB

    • memory/1836-316-0x0000021296460000-0x00000212964D2000-memory.dmp

      Filesize

      456KB

    • memory/2340-312-0x0000028B5B580000-0x0000028B5B5F2000-memory.dmp

      Filesize

      456KB

    • memory/2372-310-0x000001EC25560000-0x000001EC255D2000-memory.dmp

      Filesize

      456KB

    • memory/2552-305-0x000002750A1A0000-0x000002750A1ED000-memory.dmp

      Filesize

      308KB

    • memory/2552-307-0x000002750A470000-0x000002750A4E2000-memory.dmp

      Filesize

      456KB

    • memory/2668-319-0x00000137A0040000-0x00000137A00B2000-memory.dmp

      Filesize

      456KB

    • memory/2680-320-0x0000021063570000-0x00000210635E2000-memory.dmp

      Filesize

      456KB

    • memory/3440-309-0x00000000044D0000-0x000000000452E000-memory.dmp

      Filesize

      376KB

    • memory/3440-301-0x0000000004580000-0x0000000004689000-memory.dmp

      Filesize

      1.0MB

    • memory/3440-303-0x00000000044D0000-0x000000000452E000-memory.dmp

      Filesize

      376KB

    • memory/3676-321-0x000001DCBBA40000-0x000001DCBBAB2000-memory.dmp

      Filesize

      456KB

    • memory/3676-329-0x000001DCBD2D0000-0x000001DCBD2EB000-memory.dmp

      Filesize

      108KB

    • memory/3676-327-0x000001DCBE100000-0x000001DCBE204000-memory.dmp

      Filesize

      1.0MB

    • memory/3676-326-0x000001DCBD280000-0x000001DCBD29B000-memory.dmp

      Filesize

      108KB

    • memory/3676-328-0x000001DCBD2B0000-0x000001DCBD2D0000-memory.dmp

      Filesize

      128KB

    • memory/3676-330-0x000001DCBE100000-0x000001DCBE204000-memory.dmp

      Filesize

      1.0MB

    • memory/3676-311-0x000001DCBBA40000-0x000001DCBBAB2000-memory.dmp

      Filesize

      456KB

    • memory/3824-139-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-123-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-147-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-148-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-149-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-150-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-151-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-152-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-153-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-154-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-155-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-156-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-146-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-157-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-117-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-118-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-119-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-145-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-120-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-121-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-122-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-116-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-124-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-125-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-126-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-127-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-128-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-129-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-130-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-131-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-132-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-133-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-134-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-135-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-136-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-137-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-138-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-144-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-143-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-142-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-141-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/3824-140-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-162-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-180-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-179-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-178-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-177-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-176-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-175-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-174-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-173-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-172-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-171-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-170-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-169-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-168-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-167-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-165-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-166-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-164-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-163-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-161-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-160-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB

    • memory/4092-159-0x00000000778F0000-0x0000000077A7E000-memory.dmp

      Filesize

      1.6MB