Analysis

  • max time kernel
    139s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:29

General

  • Target

    da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe

  • Size

    40KB

  • MD5

    5a0ecb8ec9c9b27535e7ba82bbf88a5c

  • SHA1

    a40ac8e3a952686dfdd426f8b7a7420fa28d9813

  • SHA256

    da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d

  • SHA512

    c4ba665fbf2c4282d180b975cc55113956c4793c561a9c8841fb62ce49dabd90cc71adc5dde1ce202cb6760c2dac4eb5c0e061fd59f4642b03f4c28a09ab854a

  • SSDEEP

    768:hitbxiMfKAvefJ9PS9MPNrW1WUMZ38TXkY0XfaKrj4MxoviBlUtN1UEMxA5BCc:QvFef3AaWWUMCTwfH8MqslU/VIA7N

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Drops file in System32 directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe
    "C:\Users\Admin\AppData\Local\Temp\da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4464
    • C:\Windows\SysWOW64\windspl.exe
      "C:\Windows\system32\windspl.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:560

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\windspl.exe

    Filesize

    40KB

    MD5

    5a0ecb8ec9c9b27535e7ba82bbf88a5c

    SHA1

    a40ac8e3a952686dfdd426f8b7a7420fa28d9813

    SHA256

    da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d

    SHA512

    c4ba665fbf2c4282d180b975cc55113956c4793c561a9c8841fb62ce49dabd90cc71adc5dde1ce202cb6760c2dac4eb5c0e061fd59f4642b03f4c28a09ab854a

  • C:\Windows\SysWOW64\windspl.exe

    Filesize

    40KB

    MD5

    5a0ecb8ec9c9b27535e7ba82bbf88a5c

    SHA1

    a40ac8e3a952686dfdd426f8b7a7420fa28d9813

    SHA256

    da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d

    SHA512

    c4ba665fbf2c4282d180b975cc55113956c4793c561a9c8841fb62ce49dabd90cc71adc5dde1ce202cb6760c2dac4eb5c0e061fd59f4642b03f4c28a09ab854a

  • C:\Windows\SysWOW64\wmimgr32.dll

    Filesize

    23KB

    MD5

    9ebb3e4fc0c32524ba4098e214a06150

    SHA1

    41d0964a70edc0875ff9a8091b6911e18684e1ed

    SHA256

    f183002d0c6412dc694b580e0b33194766921415e77f713d46cb29dac6ae196d

    SHA512

    d7338292e03fd374fec772787e7561a6d6e9ca0b108cf4b6e9f79647bf0f64960ec78979e986f8bfa9874d907ecacca81183faacdd350e890c0dab02ca50298a

  • C:\Windows\SysWOW64\wmimgr32.dll

    Filesize

    23KB

    MD5

    9ebb3e4fc0c32524ba4098e214a06150

    SHA1

    41d0964a70edc0875ff9a8091b6911e18684e1ed

    SHA256

    f183002d0c6412dc694b580e0b33194766921415e77f713d46cb29dac6ae196d

    SHA512

    d7338292e03fd374fec772787e7561a6d6e9ca0b108cf4b6e9f79647bf0f64960ec78979e986f8bfa9874d907ecacca81183faacdd350e890c0dab02ca50298a

  • C:\Windows\SysWOW64\wmimgr32.dll

    Filesize

    23KB

    MD5

    9ebb3e4fc0c32524ba4098e214a06150

    SHA1

    41d0964a70edc0875ff9a8091b6911e18684e1ed

    SHA256

    f183002d0c6412dc694b580e0b33194766921415e77f713d46cb29dac6ae196d

    SHA512

    d7338292e03fd374fec772787e7561a6d6e9ca0b108cf4b6e9f79647bf0f64960ec78979e986f8bfa9874d907ecacca81183faacdd350e890c0dab02ca50298a

  • memory/560-134-0x0000000000000000-mapping.dmp

  • memory/560-140-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/4464-132-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/4464-137-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB