Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-01-2025 03:32

General

  • Target

    c50c74721a340dfa457152405bb9fcf9bdd725b321510f8eaf2b23c4a68a6abb.exe

  • Size

    93KB

  • MD5

    d61b6c8d2031c9c14fd2ca8cac4abbd0

  • SHA1

    232a655eb7c720a90d30f4f51a3aa4fde319be2b

  • SHA256

    c50c74721a340dfa457152405bb9fcf9bdd725b321510f8eaf2b23c4a68a6abb

  • SHA512

    4649981329ec72d555af8888b3bc2b6e93d3569c232247f430147aa32b8f907dc7f1e188f3ec32c5a33fa95cf06f8c3719da033959cb1af709ab4e133a2b3e3a

  • SSDEEP

    1536:1emC+xhUa9urgOB9RNvM4jEwzGi1dDlDRgS:1egUa9urgONdGi1dRO

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c50c74721a340dfa457152405bb9fcf9bdd725b321510f8eaf2b23c4a68a6abb.exe
    "C:\Users\Admin\AppData\Local\Temp\c50c74721a340dfa457152405bb9fcf9bdd725b321510f8eaf2b23c4a68a6abb.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:372
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2296
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\server.exe

    Filesize

    93KB

    MD5

    d61b6c8d2031c9c14fd2ca8cac4abbd0

    SHA1

    232a655eb7c720a90d30f4f51a3aa4fde319be2b

    SHA256

    c50c74721a340dfa457152405bb9fcf9bdd725b321510f8eaf2b23c4a68a6abb

    SHA512

    4649981329ec72d555af8888b3bc2b6e93d3569c232247f430147aa32b8f907dc7f1e188f3ec32c5a33fa95cf06f8c3719da033959cb1af709ab4e133a2b3e3a

  • C:\Users\Admin\AppData\Roaming\app

    Filesize

    5B

    MD5

    d43c5b07c128b116b7bc8faf7b8efa9d

    SHA1

    dd3540ad4ae14b21b665d108cf4570c2dfa6a6fa

    SHA256

    80ad1cc7b3a784dad618a445af0c8cf3efa903f82a814756f2aaa7b57f45791f

    SHA512

    618b01e2b808e1954d011635dfdf63bc75855145208fc5cae33ce09c7e5b43cf978f6511beb311765e6920e728a290c9f9ced7563e40e8ff8d093d50fdc18334

  • memory/372-0-0x0000000075222000-0x0000000075223000-memory.dmp

    Filesize

    4KB

  • memory/372-1-0x0000000075220000-0x00000000757D1000-memory.dmp

    Filesize

    5.7MB

  • memory/372-2-0x0000000075220000-0x00000000757D1000-memory.dmp

    Filesize

    5.7MB

  • memory/372-14-0x0000000075220000-0x00000000757D1000-memory.dmp

    Filesize

    5.7MB

  • memory/2296-13-0x0000000075220000-0x00000000757D1000-memory.dmp

    Filesize

    5.7MB

  • memory/2296-45-0x0000000075220000-0x00000000757D1000-memory.dmp

    Filesize

    5.7MB