Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2022 06:18

General

  • Target

    09a7132abc47c8485e40d12dc6db84b3.exe

  • Size

    207KB

  • MD5

    09a7132abc47c8485e40d12dc6db84b3

  • SHA1

    3220a68704773ca2a6549c7968945e3a774553b3

  • SHA256

    aa03d4ff799f30857eaf1231d83957bffa98779d2556bf6aedeb540febd02cbb

  • SHA512

    e446d4c6a53ed3e677cea110b2f333e8f56fcc595856e1230c32c08e06ac4cb260d3d35b092ff44c543f7e8ce61ae9cb5679cf9ad9cf6e37cf2f49ffd79b7c89

  • SSDEEP

    6144:Izpmv1TcF/p/uwONct43Ep/uwONct43T92USK:ymS9pGHNu4UpGHNu4R2USK

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 4 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:868
      • 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:1436
    • C:\Users\Admin\AppData\Local\Temp\09a7132abc47c8485e40d12dc6db84b3.exe
      "C:\Users\Admin\AppData\Local\Temp\09a7132abc47c8485e40d12dc6db84b3.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1768
      • C:\Users\Admin\AppData\Local\Temp\09a7132abc47c8485e40d12dc6db84b3.exe
        "C:\Users\Admin\AppData\Local\Temp\09a7132abc47c8485e40d12dc6db84b3.exe" -h
        2⤵
          PID:840
      • 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:976
        • 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:972

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

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

        Filesize

        557KB

        MD5

        558fb165f9dec4a658095e16878896e2

        SHA1

        b0813050bb1b447dbe4544696c73d7419971acf2

        SHA256

        f0c6a3d1543bfbcb7be733cf2a03a5864fcf7ea9b23897e5c0b4e84ccb78e1e4

        SHA512

        94d5a996af420078028e4fc4afb463db28d622ac2c0785fa73690d5fdf022cd5f2ddd4712bc45071e9c3da1dab0394a192066338c3ba76f51f3d12e94b37fa18

      • 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/840-55-0x0000000000000000-mapping.dmp

      • memory/868-71-0x0000000001EA0000-0x0000000001F12000-memory.dmp

        Filesize

        456KB

      • memory/972-67-0x0000000000A00000-0x0000000000B01000-memory.dmp

        Filesize

        1.0MB

      • memory/972-57-0x0000000000000000-mapping.dmp

      • memory/972-68-0x00000000006D0000-0x000000000072E000-memory.dmp

        Filesize

        376KB

      • memory/1436-70-0x0000000000190000-0x0000000000202000-memory.dmp

        Filesize

        456KB

      • memory/1436-66-0x00000000FF17246C-mapping.dmp

      • memory/1436-69-0x0000000000060000-0x00000000000AD000-memory.dmp

        Filesize

        308KB

      • memory/1436-64-0x0000000000060000-0x00000000000AD000-memory.dmp

        Filesize

        308KB

      • memory/1436-72-0x000007FEFB621000-0x000007FEFB623000-memory.dmp

        Filesize

        8KB

      • memory/1436-73-0x0000000001F70000-0x0000000001F8B000-memory.dmp

        Filesize

        108KB

      • memory/1436-74-0x0000000002C30000-0x0000000002D3A000-memory.dmp

        Filesize

        1.0MB

      • memory/1436-75-0x0000000001F90000-0x0000000001FB0000-memory.dmp

        Filesize

        128KB

      • memory/1436-76-0x0000000001FB0000-0x0000000001FCB000-memory.dmp

        Filesize

        108KB

      • memory/1436-77-0x0000000000190000-0x0000000000202000-memory.dmp

        Filesize

        456KB

      • memory/1436-78-0x0000000002C30000-0x0000000002D3A000-memory.dmp

        Filesize

        1.0MB

      • memory/1768-54-0x0000000075931000-0x0000000075933000-memory.dmp

        Filesize

        8KB