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Overview

overview

8

Static

static

3a24e9614c...7b.exe

windows7-x64

8

3a24e9614c...7b.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    170s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 14:51

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General

  • Target

    3a24e9614c836957c0ffc670f660c63cc44117669dc6805fb2f79953728e717b.exe

  • Size

    251KB

  • MD5

    66257a85aecf2e05f1f6c729e250a460

  • SHA1

    2d11f10cf55b124356ea53bd1f030292b68f20ac

  • SHA256

    3a24e9614c836957c0ffc670f660c63cc44117669dc6805fb2f79953728e717b

  • SHA512

    bd6e832a330efa4450622f1ee85b92dc2e7826b6f0894eb83f9242a641aea5a1603bc6e0e19ef16c20256bb5dcab86aba3116c1a0a33dd1594bd9d9cb784d69b

  • SSDEEP

    3072:zI36iNfhv+XWwKWDzN2izzUDm6QpzJ8f2mMsfzVLmC4DGYD1VIT2U2Z:zI366+XWwKWDzTIDmDsdfz4ClY4T2U2

Score
8/10
evasionpersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 45 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a24e9614c836957c0ffc670f660c63cc44117669dc6805fb2f79953728e717b.exe
    "C:\Users\Admin\AppData\Local\Temp\3a24e9614c836957c0ffc670f660c63cc44117669dc6805fb2f79953728e717b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\windows.exe
      "C:\Users\Admin\AppData\Local\Temp\windows.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1372
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\windows.exe" "windows.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4904

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\windows.exe
    Filesize

    251KB

    MD5

    66257a85aecf2e05f1f6c729e250a460

    SHA1

    2d11f10cf55b124356ea53bd1f030292b68f20ac

    SHA256

    3a24e9614c836957c0ffc670f660c63cc44117669dc6805fb2f79953728e717b

    SHA512

    bd6e832a330efa4450622f1ee85b92dc2e7826b6f0894eb83f9242a641aea5a1603bc6e0e19ef16c20256bb5dcab86aba3116c1a0a33dd1594bd9d9cb784d69b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\windows.exe
    Filesize

    251KB

    MD5

    66257a85aecf2e05f1f6c729e250a460

    SHA1

    2d11f10cf55b124356ea53bd1f030292b68f20ac

    SHA256

    3a24e9614c836957c0ffc670f660c63cc44117669dc6805fb2f79953728e717b

    SHA512

    bd6e832a330efa4450622f1ee85b92dc2e7826b6f0894eb83f9242a641aea5a1603bc6e0e19ef16c20256bb5dcab86aba3116c1a0a33dd1594bd9d9cb784d69b

    Download Submit

  • memory/1372-139-0x0000000074A20000-0x0000000074FD1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1372-140-0x0000000074A20000-0x0000000074FD1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1732-133-0x0000000074A20000-0x0000000074FD1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1732-137-0x0000000074A20000-0x0000000074FD1000-memory.dmp

    Filesize

    5.7MB

    Download