Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 15:35

General

  • Target

    abd44900f4996a2be5d14216b57d8940655783813324ba043167161ed62c393b.exe

  • Size

    29KB

  • MD5

    cb89fe4ee9c0ccde479e9d875fdbaf09

  • SHA1

    83dfafed2b624c91aab0519b9581819ccd6f2a10

  • SHA256

    abd44900f4996a2be5d14216b57d8940655783813324ba043167161ed62c393b

  • SHA512

    d9c787dd2b1c60da287bb1209b8693b5d68f8f9d3957727bc92e0ded64acd04f340bb0681f8134a0f405e80c963691615a2504856fb2a1c71d33e6654abb6f3e

  • SSDEEP

    384:vv9j/XB736by+T9wQpZTvZoQiHoB6dLmdIum8FqXcfLc5IxmyObX5zvasZszpobr:vF5AyS3vZoBHoB6/uml6elLCtJTu7

Malware Config

Signatures

  • UAC bypass 3 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 61 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\abd44900f4996a2be5d14216b57d8940655783813324ba043167161ed62c393b.exe
    "C:\Users\Admin\AppData\Local\Temp\abd44900f4996a2be5d14216b57d8940655783813324ba043167161ed62c393b.exe"
    1⤵
    • UAC bypass
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1584
    • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Checks computer location settings
      • Drops startup file
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:4972
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:2132
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Windows\SysWOW64\wscript.exe" "wscript.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4588
      • C:\Windows\SysWOW64\wscript.exe
        "C:\Windows\SysWOW64\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\Trojan.vbe"
        3⤵
        • Drops startup file
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4240

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    29KB

    MD5

    cb89fe4ee9c0ccde479e9d875fdbaf09

    SHA1

    83dfafed2b624c91aab0519b9581819ccd6f2a10

    SHA256

    abd44900f4996a2be5d14216b57d8940655783813324ba043167161ed62c393b

    SHA512

    d9c787dd2b1c60da287bb1209b8693b5d68f8f9d3957727bc92e0ded64acd04f340bb0681f8134a0f405e80c963691615a2504856fb2a1c71d33e6654abb6f3e

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

    Filesize

    29KB

    MD5

    cb89fe4ee9c0ccde479e9d875fdbaf09

    SHA1

    83dfafed2b624c91aab0519b9581819ccd6f2a10

    SHA256

    abd44900f4996a2be5d14216b57d8940655783813324ba043167161ed62c393b

    SHA512

    d9c787dd2b1c60da287bb1209b8693b5d68f8f9d3957727bc92e0ded64acd04f340bb0681f8134a0f405e80c963691615a2504856fb2a1c71d33e6654abb6f3e

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

    Filesize

    29KB

    MD5

    cb89fe4ee9c0ccde479e9d875fdbaf09

    SHA1

    83dfafed2b624c91aab0519b9581819ccd6f2a10

    SHA256

    abd44900f4996a2be5d14216b57d8940655783813324ba043167161ed62c393b

    SHA512

    d9c787dd2b1c60da287bb1209b8693b5d68f8f9d3957727bc92e0ded64acd04f340bb0681f8134a0f405e80c963691615a2504856fb2a1c71d33e6654abb6f3e

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

    Filesize

    29KB

    MD5

    cb89fe4ee9c0ccde479e9d875fdbaf09

    SHA1

    83dfafed2b624c91aab0519b9581819ccd6f2a10

    SHA256

    abd44900f4996a2be5d14216b57d8940655783813324ba043167161ed62c393b

    SHA512

    d9c787dd2b1c60da287bb1209b8693b5d68f8f9d3957727bc92e0ded64acd04f340bb0681f8134a0f405e80c963691615a2504856fb2a1c71d33e6654abb6f3e

  • C:\Users\Admin\AppData\Local\Temp\Trojan.vbe

    Filesize

    54B

    MD5

    2c142a14a93cc398bd1459a7bda6daec

    SHA1

    6742e2896afebf19785c542cf9d975fc98b2b9ff

    SHA256

    d0428c68258262d545094173238cf14ce21a35c0afb247f54664680f00984fc8

    SHA512

    8c2dcd579066478cb25b5059c2a4a12df6598eb47a177c21f4da0299924a547325f3ccbdb01cbc16b1010afeba17ed26286ba9d2a6ac4ab0258c513b6b05fd86

  • memory/1584-138-0x0000000074CA0000-0x0000000075251000-memory.dmp

    Filesize

    5.7MB

  • memory/1584-132-0x0000000074CA0000-0x0000000075251000-memory.dmp

    Filesize

    5.7MB

  • memory/1584-133-0x0000000074CA0000-0x0000000075251000-memory.dmp

    Filesize

    5.7MB

  • memory/4240-145-0x0000000074CA0000-0x0000000075251000-memory.dmp

    Filesize

    5.7MB

  • memory/4240-148-0x0000000074CA0000-0x0000000075251000-memory.dmp

    Filesize

    5.7MB

  • memory/4972-140-0x0000000074CA0000-0x0000000075251000-memory.dmp

    Filesize

    5.7MB

  • memory/4972-146-0x0000000074CA0000-0x0000000075251000-memory.dmp

    Filesize

    5.7MB