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Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 06:16

General

  • Target

    07adf47c0c7a35ecfd5e51555f6b66ae7a4d794f88548c43e09a81cae961a8bd.exe

  • Size

    655KB

  • MD5

    50bce9ba70d6529eb7a26ede8d584950

  • SHA1

    3929bc52d33e6182b6f6e99e83949ea84987d1c0

  • SHA256

    07adf47c0c7a35ecfd5e51555f6b66ae7a4d794f88548c43e09a81cae961a8bd

  • SHA512

    ab25cc25fdb4ae227b16278138842b8616cf61e7fe4c72614afcb48f77bfe61ea547b564e25987d8a7896a9968b14909f60d46095d5446594a21504a862db858

  • SSDEEP

    1536:1BQZjlDtdDkM0ncL79l1wUEkWLj3uWHmdmLoys5IJ+I7KyALeoIk0lYUTPj68:eJtdYEf9REkwjjSQs5IUI7GCoI/lLn

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

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

  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07adf47c0c7a35ecfd5e51555f6b66ae7a4d794f88548c43e09a81cae961a8bd.exe
    "C:\Users\Admin\AppData\Local\Temp\07adf47c0c7a35ecfd5e51555f6b66ae7a4d794f88548c43e09a81cae961a8bd.exe"
    1⤵
    • Adds policy Run key to start application
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\Windows\SysWOW64\auditpolj.exe
      C:\Windows\SysWOW64\auditpolj.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1664
    • C:\Windows\SysWOW64\cmd.exe
      /c C:\Users\Admin\AppData\Local\Temp\~unins9613.bat "C:\Users\Admin\AppData\Local\Temp\07adf47c0c7a35ecfd5e51555f6b66ae7a4d794f88548c43e09a81cae961a8bd.exe"
      2⤵
      • Deletes itself
      PID:584

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\~unins9613.bat

    Filesize

    49B

    MD5

    9e0a2f5ab30517809b95a1ff1dd98c53

    SHA1

    5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

    SHA256

    97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

    SHA512

    e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

  • C:\Windows\SysWOW64\auditpolj.exe

    Filesize

    173KB

    MD5

    578d5d9c5be72e21fdef508657b4ee32

    SHA1

    334b3f84777cdebd5fca0c120fab31c71dcce965

    SHA256

    5bea26318dc02804ded7215423b23208ee89156150539d46cf1ac17174737d4e

    SHA512

    8ae1cc717f65bd640aa15104abd728ca7f909349cee445f42b8b46c238f609cba72691ce9f444ddbb5fabdb9807da9e064e43322f3d3240b3ad23161f7ef02fa

  • C:\Windows\SysWOW64\auditpolj.exe

    Filesize

    173KB

    MD5

    578d5d9c5be72e21fdef508657b4ee32

    SHA1

    334b3f84777cdebd5fca0c120fab31c71dcce965

    SHA256

    5bea26318dc02804ded7215423b23208ee89156150539d46cf1ac17174737d4e

    SHA512

    8ae1cc717f65bd640aa15104abd728ca7f909349cee445f42b8b46c238f609cba72691ce9f444ddbb5fabdb9807da9e064e43322f3d3240b3ad23161f7ef02fa

  • \Windows\SysWOW64\auditpolj.exe

    Filesize

    173KB

    MD5

    578d5d9c5be72e21fdef508657b4ee32

    SHA1

    334b3f84777cdebd5fca0c120fab31c71dcce965

    SHA256

    5bea26318dc02804ded7215423b23208ee89156150539d46cf1ac17174737d4e

    SHA512

    8ae1cc717f65bd640aa15104abd728ca7f909349cee445f42b8b46c238f609cba72691ce9f444ddbb5fabdb9807da9e064e43322f3d3240b3ad23161f7ef02fa

  • memory/1280-61-0x00000000003B0000-0x00000000003F7000-memory.dmp

    Filesize

    284KB

  • memory/1280-72-0x0000000000020000-0x0000000000030000-memory.dmp

    Filesize

    64KB

  • memory/1280-63-0x0000000000521000-0x0000000000582000-memory.dmp

    Filesize

    388KB

  • memory/1280-54-0x0000000075601000-0x0000000075603000-memory.dmp

    Filesize

    8KB

  • memory/1280-76-0x0000000000521000-0x0000000000582000-memory.dmp

    Filesize

    388KB

  • memory/1280-60-0x0000000000020000-0x0000000000030000-memory.dmp

    Filesize

    64KB

  • memory/1280-58-0x0000000000520000-0x00000000005C9000-memory.dmp

    Filesize

    676KB

  • memory/1280-59-0x0000000000520000-0x00000000005C9000-memory.dmp

    Filesize

    676KB

  • memory/1280-55-0x0000000000520000-0x00000000005C9000-memory.dmp

    Filesize

    676KB

  • memory/1280-74-0x0000000000521000-0x0000000000582000-memory.dmp

    Filesize

    388KB

  • memory/1280-62-0x0000000000582000-0x00000000005C8000-memory.dmp

    Filesize

    280KB

  • memory/1280-73-0x00000000003B0000-0x00000000003F7000-memory.dmp

    Filesize

    284KB

  • memory/1664-71-0x0000000074160000-0x000000007470B000-memory.dmp

    Filesize

    5.7MB

  • memory/1664-75-0x0000000074160000-0x000000007470B000-memory.dmp

    Filesize

    5.7MB