Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-09-2022 13:34

General

  • Target

    PURCHASE ORDER No. 2210748.exe

  • Size

    60KB

  • MD5

    8626c81eed96c8096820864fc005d248

  • SHA1

    b383487bcda8ac2a8763a31cc9de3b1ddea472cd

  • SHA256

    1e6e0886d9d29f56259e1a5a7890727af76f8f46011341f755381704aa32ce36

  • SHA512

    41187c9b45ee252d46718d37d1563a958a487f33e60592c7ed3f1db8a8911727ab95eef254eb57e4247dd68ae5298bf23631fb0ac721d053df62c7302826ed37

  • SSDEEP

    1536:75XYNK5uDUaQl+kzdC9GiZQWSwi/fUpS/fX/MNZ:7CQ5uis1Jy///f/M7

Malware Config

Signatures

  • Detect Neshta payload 5 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER No. 2210748.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER No. 2210748.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4892
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAyAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4948
    • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER No. 2210748.exe
      "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER No. 2210748.exe"
      2⤵
        PID:3416
      • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER No. 2210748.exe
        "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER No. 2210748.exe"
        2⤵
        • Modifies system executable filetype association
        • Checks computer location settings
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Modifies registry class
        PID:1852

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\VDKDQO~1\Aghhy.exe

      Filesize

      60KB

      MD5

      8626c81eed96c8096820864fc005d248

      SHA1

      b383487bcda8ac2a8763a31cc9de3b1ddea472cd

      SHA256

      1e6e0886d9d29f56259e1a5a7890727af76f8f46011341f755381704aa32ce36

      SHA512

      41187c9b45ee252d46718d37d1563a958a487f33e60592c7ed3f1db8a8911727ab95eef254eb57e4247dd68ae5298bf23631fb0ac721d053df62c7302826ed37

    • memory/1852-149-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1852-152-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1852-150-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1852-148-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1852-147-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1852-146-0x0000000000000000-mapping.dmp

    • memory/3416-145-0x0000000000000000-mapping.dmp

    • memory/4892-134-0x0000000005830000-0x00000000058C2000-memory.dmp

      Filesize

      584KB

    • memory/4892-135-0x00000000057D0000-0x00000000057DA000-memory.dmp

      Filesize

      40KB

    • memory/4892-136-0x0000000006EF0000-0x0000000006F12000-memory.dmp

      Filesize

      136KB

    • memory/4892-132-0x0000000000E10000-0x0000000000E24000-memory.dmp

      Filesize

      80KB

    • memory/4892-133-0x0000000005DE0000-0x0000000006384000-memory.dmp

      Filesize

      5.6MB

    • memory/4948-137-0x0000000000000000-mapping.dmp

    • memory/4948-144-0x0000000005F40000-0x0000000005F5A000-memory.dmp

      Filesize

      104KB

    • memory/4948-143-0x00000000070D0000-0x000000000774A000-memory.dmp

      Filesize

      6.5MB

    • memory/4948-142-0x0000000005A60000-0x0000000005A7E000-memory.dmp

      Filesize

      120KB

    • memory/4948-141-0x00000000053F0000-0x0000000005456000-memory.dmp

      Filesize

      408KB

    • memory/4948-140-0x0000000005380000-0x00000000053E6000-memory.dmp

      Filesize

      408KB

    • memory/4948-139-0x0000000004B80000-0x00000000051A8000-memory.dmp

      Filesize

      6.2MB

    • memory/4948-138-0x0000000002190000-0x00000000021C6000-memory.dmp

      Filesize

      216KB