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Overview

overview

10

Static

static

bb4fa00b3a...f1.exe

windows7-x64

10

bb4fa00b3a...f1.exe

windows10-2004-x64

1

Analysis

  • max time kernel
    149s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 06:22

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General

  • Target

    bb4fa00b3a7a88c1992c8d8ad10d08fee136a5a8d3992edcbec99333f4334cf1.exe

  • Size

    337KB

  • MD5

    4f1e2451dd49313261cc9a1c94d33d56

  • SHA1

    82c743d39fb96f2057e71afb73e93c70ae0f2d30

  • SHA256

    bb4fa00b3a7a88c1992c8d8ad10d08fee136a5a8d3992edcbec99333f4334cf1

  • SHA512

    08a820005c50fc68d47ac86fd84fab9b698f0d19bb0a52c913a0673c4c4b95ba6b0426804f351afd2c2de1ea48d05753876cdb33fb1e09c7da7416ec8400c505

  • SSDEEP

    6144:a7Fhjrxd4lakFcJtX7HW5XH7Xv6Ak2GBJR1ND1iS6uq3kPdyumdBFN:qFhj1CrFc3X7HoHj2D/z6fUA/

Score
10/10
evasionpersistencetrojan

Malware Config

Signatures

  • Windows security bypass 2 TTPs 10 IoCs
    evasiontrojan
  • Disables taskbar notifications via registry modification
    evasion
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 14 IoCs
    evasiontrojan
  • 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 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb4fa00b3a7a88c1992c8d8ad10d08fee136a5a8d3992edcbec99333f4334cf1.exe
    "C:\Users\Admin\AppData\Local\Temp\bb4fa00b3a7a88c1992c8d8ad10d08fee136a5a8d3992edcbec99333f4334cf1.exe"
    1⤵
    • Windows security bypass
    • Loads dropped DLL
    • Windows security modification
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\ProgramData\F4D55F6500014973000B4090B4EB2331\F4D55F6500014973000B4090B4EB2331.exe
      "C:\ProgramData\F4D55F6500014973000B4090B4EB2331\F4D55F6500014973000B4090B4EB2331.exe" "C:\Users\Admin\AppData\Local\Temp\bb4fa00b3a7a88c1992c8d8ad10d08fee136a5a8d3992edcbec99333f4334cf1.exe"
      2⤵
      • Windows security bypass
      • Executes dropped EXE
      • Deletes itself
      • Windows security modification
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1544

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\F4D55F6500014973000B4090B4EB2331\F4D55F6500014973000B4090B4EB2331.exe
    Filesize

    337KB

    MD5

    4f1e2451dd49313261cc9a1c94d33d56

    SHA1

    82c743d39fb96f2057e71afb73e93c70ae0f2d30

    SHA256

    bb4fa00b3a7a88c1992c8d8ad10d08fee136a5a8d3992edcbec99333f4334cf1

    SHA512

    08a820005c50fc68d47ac86fd84fab9b698f0d19bb0a52c913a0673c4c4b95ba6b0426804f351afd2c2de1ea48d05753876cdb33fb1e09c7da7416ec8400c505

    Download Submit

  • C:\ProgramData\F4D55F6500014973000B4090B4EB2331\F4D55F6500014973000B4090B4EB2331.exe
    Filesize

    337KB

    MD5

    4f1e2451dd49313261cc9a1c94d33d56

    SHA1

    82c743d39fb96f2057e71afb73e93c70ae0f2d30

    SHA256

    bb4fa00b3a7a88c1992c8d8ad10d08fee136a5a8d3992edcbec99333f4334cf1

    SHA512

    08a820005c50fc68d47ac86fd84fab9b698f0d19bb0a52c913a0673c4c4b95ba6b0426804f351afd2c2de1ea48d05753876cdb33fb1e09c7da7416ec8400c505

    Download Submit

  • \ProgramData\F4D55F6500014973000B4090B4EB2331\F4D55F6500014973000B4090B4EB2331.exe
    Filesize

    337KB

    MD5

    4f1e2451dd49313261cc9a1c94d33d56

    SHA1

    82c743d39fb96f2057e71afb73e93c70ae0f2d30

    SHA256

    bb4fa00b3a7a88c1992c8d8ad10d08fee136a5a8d3992edcbec99333f4334cf1

    SHA512

    08a820005c50fc68d47ac86fd84fab9b698f0d19bb0a52c913a0673c4c4b95ba6b0426804f351afd2c2de1ea48d05753876cdb33fb1e09c7da7416ec8400c505

    Download Submit

  • \ProgramData\F4D55F6500014973000B4090B4EB2331\F4D55F6500014973000B4090B4EB2331.exe
    Filesize

    337KB

    MD5

    4f1e2451dd49313261cc9a1c94d33d56

    SHA1

    82c743d39fb96f2057e71afb73e93c70ae0f2d30

    SHA256

    bb4fa00b3a7a88c1992c8d8ad10d08fee136a5a8d3992edcbec99333f4334cf1

    SHA512

    08a820005c50fc68d47ac86fd84fab9b698f0d19bb0a52c913a0673c4c4b95ba6b0426804f351afd2c2de1ea48d05753876cdb33fb1e09c7da7416ec8400c505

    Download Submit

  • memory/1544-65-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

    Download

  • memory/1544-67-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

    Download

  • memory/2004-54-0x00000000764D1000-0x00000000764D3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2004-55-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

    Download

  • memory/2004-56-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

    Download

  • memory/2004-64-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

    Download

  • memory/2004-66-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

    Download