Analysis

  • max time kernel
    300s
  • max time network
    183s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03-01-2023 04:48

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 Schedule
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1068
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1196
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Themes
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1264
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s SENS
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1468
  • 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 gpsvc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:372
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1900
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2540
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2548
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s WpnService
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2752
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2736
  • 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:2684
    • 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:3176
  • C:\Users\Admin\AppData\Local\Temp\c82ab145610c19c3f5a1462196b41347c9786f5e600bdaa477bb98814461d279.exe
    "C:\Users\Admin\AppData\Local\Temp\c82ab145610c19c3f5a1462196b41347c9786f5e600bdaa477bb98814461d279.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4672
    • C:\Users\Admin\AppData\Local\Temp\c82ab145610c19c3f5a1462196b41347c9786f5e600bdaa477bb98814461d279.exe
      "C:\Users\Admin\AppData\Local\Temp\c82ab145610c19c3f5a1462196b41347c9786f5e600bdaa477bb98814461d279.exe" -h
      2⤵
        PID:4844
    • 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:3296
      • 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:4252

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    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/372-308-0x000002B788140000-0x000002B7881B2000-memory.dmp

      Filesize

      456KB

    • memory/1068-313-0x0000022E5FA60000-0x0000022E5FAD2000-memory.dmp

      Filesize

      456KB

    • memory/1196-312-0x00000226603A0000-0x0000022660412000-memory.dmp

      Filesize

      456KB

    • memory/1264-316-0x0000020CF1B60000-0x0000020CF1BD2000-memory.dmp

      Filesize

      456KB

    • memory/1384-317-0x000001A962E70000-0x000001A962EE2000-memory.dmp

      Filesize

      456KB

    • memory/1468-314-0x000001CA4E240000-0x000001CA4E2B2000-memory.dmp

      Filesize

      456KB

    • memory/1900-315-0x000001A1A0DB0000-0x000001A1A0E22000-memory.dmp

      Filesize

      456KB

    • memory/2540-310-0x0000027261250000-0x00000272612C2000-memory.dmp

      Filesize

      456KB

    • memory/2548-311-0x000002C4EA540000-0x000002C4EA5B2000-memory.dmp

      Filesize

      456KB

    • memory/2684-307-0x000002BB3C170000-0x000002BB3C1E2000-memory.dmp

      Filesize

      456KB

    • memory/2684-306-0x000002BB3BFB0000-0x000002BB3BFFD000-memory.dmp

      Filesize

      308KB

    • memory/2736-318-0x0000025E7B960000-0x0000025E7B9D2000-memory.dmp

      Filesize

      456KB

    • memory/2752-319-0x0000023A9E560000-0x0000023A9E5D2000-memory.dmp

      Filesize

      456KB

    • memory/3176-329-0x00000159C6F00000-0x00000159C7004000-memory.dmp

      Filesize

      1.0MB

    • memory/3176-330-0x00000159C6090000-0x00000159C6111000-memory.dmp

      Filesize

      516KB

    • memory/3176-327-0x00000159C6090000-0x00000159C6111000-memory.dmp

      Filesize

      516KB

    • memory/3176-328-0x00000159C6090000-0x00000159C6111000-memory.dmp

      Filesize

      516KB

    • memory/3176-309-0x00000159C4870000-0x00000159C48E2000-memory.dmp

      Filesize

      456KB

    • memory/3176-325-0x00000159C46C0000-0x00000159C46DB000-memory.dmp

      Filesize

      108KB

    • memory/3176-320-0x00000159C4870000-0x00000159C48E2000-memory.dmp

      Filesize

      456KB

    • memory/3176-326-0x00000159C6F00000-0x00000159C7004000-memory.dmp

      Filesize

      1.0MB

    • memory/3176-273-0x00007FF7CDA54060-mapping.dmp

    • memory/3176-331-0x00000159C6090000-0x00000159C6111000-memory.dmp

      Filesize

      516KB

    • memory/4252-305-0x0000000004CF0000-0x0000000004D4E000-memory.dmp

      Filesize

      376KB

    • memory/4252-269-0x0000000004BE0000-0x0000000004CE7000-memory.dmp

      Filesize

      1.0MB

    • memory/4252-272-0x0000000004CF0000-0x0000000004D4E000-memory.dmp

      Filesize

      376KB

    • memory/4252-213-0x0000000000000000-mapping.dmp

    • memory/4672-138-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-124-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-146-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-148-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-149-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-150-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-151-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-152-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-153-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-154-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-155-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-156-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-117-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-116-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-118-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-119-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-120-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-147-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-121-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-122-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-123-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-115-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-125-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-126-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-127-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-128-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-129-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-130-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-131-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-132-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-133-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-134-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-135-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-136-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-137-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-145-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-144-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-143-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-142-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-139-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-141-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4672-140-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-162-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-179-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-178-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-177-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-176-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-174-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-175-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-173-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-172-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-171-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-170-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-168-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-169-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-167-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-166-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-164-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-165-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-163-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-161-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-160-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-159-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-158-0x00000000776C0000-0x000000007784E000-memory.dmp

      Filesize

      1.6MB

    • memory/4844-157-0x0000000000000000-mapping.dmp