Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 04:30

General

  • Target

    0e898c8c40c28140a206e4864840de47.exe

  • Size

    156KB

  • MD5

    0e898c8c40c28140a206e4864840de47

  • SHA1

    8c1d1a821a09247f3c161adc91fb203196aa4108

  • SHA256

    81753ba6374b2022a36f9a62c6b1df6fdc80f75e80dfff06dee05470714a2034

  • SHA512

    9522d389e706c05bd582d3729f614bafea21202ac0b674aef2e336a60b06abab89962706b543862c7595586bf96a5c9c49c4249324d48e25af6c57e37d85efef

  • SSDEEP

    3072:jGgb/llkYABH5Gb2cBl6JW+WvmZ4KzLDdHPFuDa9ZV1F8ZqEJzmZt:jDboYABkbZoJW+W+6KnDdH9u2d1F8Mo0

Score
8/10

Malware Config

Signatures

  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e898c8c40c28140a206e4864840de47.exe
    "C:\Users\Admin\AppData\Local\Temp\0e898c8c40c28140a206e4864840de47.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\\240600203_selfdel.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5000
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240599953_install.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3432
  • C:\Windows\SysWOW64\attrib.exe
    attrib -a -r -s -h "C:\Users\Admin\AppData\Local\Temp\0e898c8c40c28140a206e4864840de47.exe"
    1⤵
    • Views/modifies file attributes
    PID:3132
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs -s Irmon
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2352
  • C:\Windows\SysWOW64\rundll32.exe
    rundll32 C:\Windows\system32\0e898c8c40c28140a206e4864840de47.dll,InstallSA Irmon Microsoft IR Monitor Services
    1⤵
    • Sets DLL path for service in the registry
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2292

Network

MITRE ATT&CK Enterprise v15

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