Analysis

  • max time kernel
    142s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2023, 01:15

General

  • Target

    a0a73f9f2d0aa56ffceef8da32e097f7d87e1199ba8282d065d5c0c78d0f49ba.exe

  • Size

    2.7MB

  • MD5

    203515e9c0d346cca1ba293c335eb6fc

  • SHA1

    4cdc24e1d3b00f994f03770f62d4bf9729978650

  • SHA256

    a0a73f9f2d0aa56ffceef8da32e097f7d87e1199ba8282d065d5c0c78d0f49ba

  • SHA512

    33e1c726dd16ec62491816599ba94433a831b542e087eddb16777e637e372c638bb86690d6b720d23c7a19d1ce5424e32d062f113ecffef48ffe4a622134e41d

  • SSDEEP

    49152:8jVgiG1hT8cm8U2zkpdt0n/s0YRZHPm4poP2UkCsPt/BI:8ji7F84UJoE0YRZvm4pk2U/AhB

Malware Config

Signatures

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a0a73f9f2d0aa56ffceef8da32e097f7d87e1199ba8282d065d5c0c78d0f49ba.exe
    "C:\Users\Admin\AppData\Local\Temp\a0a73f9f2d0aa56ffceef8da32e097f7d87e1199ba8282d065d5c0c78d0f49ba.exe"
    1⤵
    • Checks computer location settings
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:816
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\a0a73f9f2d0aa56ffceef8da32e097f7d87e1199ba8282d065d5c0c78d0f49ba.exe" & del "C:\ProgramData\*.dll"" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2752
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 5
        3⤵
        • Delays execution with timeout.exe
        PID:2108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/816-1-0x00000000284C0000-0x0000000028540000-memory.dmp

    Filesize

    512KB

  • memory/816-2-0x0000000076FC2000-0x0000000076FC3000-memory.dmp

    Filesize

    4KB

  • memory/816-3-0x000000002A300000-0x000000002A53A000-memory.dmp

    Filesize

    2.2MB

  • memory/816-15-0x000000002A300000-0x000000002A53A000-memory.dmp

    Filesize

    2.2MB

  • memory/816-16-0x000000002A300000-0x000000002A53A000-memory.dmp

    Filesize

    2.2MB

  • memory/816-18-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/816-36-0x000000002A300000-0x000000002A3F0000-memory.dmp

    Filesize

    960KB

  • memory/816-37-0x00000000284C0000-0x0000000028540000-memory.dmp

    Filesize

    512KB

  • memory/816-38-0x000000002A300000-0x000000002A53A000-memory.dmp

    Filesize

    2.2MB