Analysis

  • max time kernel
    129s
  • max time network
    193s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    05-02-2023 04:48

General

  • Target

    dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe

  • Size

    3.0MB

  • MD5

    cdb75538c7adc7829a93cdf9a27c1fd7

  • SHA1

    2e5ff4e8f2b4b087ccc7f4cb2ad59d4c3617a0c9

  • SHA256

    dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20

  • SHA512

    f6eab79f9ba0111608ddc3b81b57224e5ccc86f2a4b3f14a11ef627a2d44f6539c061d5bcad7a68f7df0c05bbcb14d0285bfa508085233075452a3a75d1671d4

  • SSDEEP

    98304:k5Sh7zrcGtirr9gIKvvwPDxISVNImdJ3R9/4:WAXrjtirrGIyYTD3R9A

Malware Config

Signatures

  • Detect PureCrypter injector 1 IoCs
  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe
    "C:\Users\Admin\AppData\Local\Temp\dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAANgA1AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1576

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1576-130-0x000001B3B33E0000-0x000001B3B3456000-memory.dmp

    Filesize

    472KB

  • memory/1768-139-0x00000127CA9A0000-0x00000127CAA3B000-memory.dmp

    Filesize

    620KB

  • memory/1768-122-0x00000127B1920000-0x00000127B1942000-memory.dmp

    Filesize

    136KB

  • memory/1768-121-0x00000127CA260000-0x00000127CA546000-memory.dmp

    Filesize

    2.9MB

  • memory/1768-138-0x00000127CA8C0000-0x00000127CA996000-memory.dmp

    Filesize

    856KB

  • memory/1768-120-0x00000127AF960000-0x00000127AFC66000-memory.dmp

    Filesize

    3.0MB

  • memory/1768-140-0x00000127CB230000-0x00000127CB2C8000-memory.dmp

    Filesize

    608KB

  • memory/1768-141-0x00000127CB2D0000-0x00000127CB384000-memory.dmp

    Filesize

    720KB

  • memory/1768-142-0x00000127AFFAA000-0x00000127AFFAF000-memory.dmp

    Filesize

    20KB

  • memory/1768-143-0x00000127CB490000-0x00000127CB4E6000-memory.dmp

    Filesize

    344KB

  • memory/1768-144-0x00000127CB4F0000-0x00000127CB544000-memory.dmp

    Filesize

    336KB

  • memory/1768-145-0x00000127CB5B0000-0x00000127CB5FC000-memory.dmp

    Filesize

    304KB

  • memory/1768-146-0x00000127CB9B0000-0x00000127CBA04000-memory.dmp

    Filesize

    336KB

  • memory/1768-147-0x00000127AFFAA000-0x00000127AFFAF000-memory.dmp

    Filesize

    20KB