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Overview

overview

7

Static

static

3

b549fa455c...c9.exe

windows7-x64

7

b549fa455c...c9.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/03/2024, 17:45

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General

  • Target

    b549fa455cc8b66ac27a271fe76c6cc9.exe

  • Size

    396KB

  • MD5

    b549fa455cc8b66ac27a271fe76c6cc9

  • SHA1

    ea2bc94ac1ef48881686f79dcfc497da413de324

  • SHA256

    3e5b1286667ea037f6baa0ebdbfe91fbe78262927b5149bbe2d2de201ed0533c

  • SHA512

    4804649d8b06c7e4fb40129ffc1bd4868c03d0285b0a24ce86f818e8608fbd049909f56940ad0a44bd2bd68f1251dd8698b1fd9822ca8a469cb6ddb222c1fa2b

  • SSDEEP

    6144:4YxZYe1tF9t3iY9tRQDnTB48KyNo4LYpXPjqijTHTM6Qb589up5+VVOsRiBmzo:PxZh1H9RfpMnTRKyUXbnIr/+2ks

Score
7/10
persistenceupx

Malware Config

Signatures

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

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

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b549fa455cc8b66ac27a271fe76c6cc9.exe
    "C:\Users\Admin\AppData\Local\Temp\b549fa455cc8b66ac27a271fe76c6cc9.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2620 -s 668
      2⤵
      • Program crash
      PID:2868
    • C:\ProgramData\mI01804IfDpO01804\mI01804IfDpO01804.exe
      "C:\ProgramData\mI01804IfDpO01804\mI01804IfDpO01804.exe" "C:\Users\Admin\AppData\Local\Temp\b549fa455cc8b66ac27a271fe76c6cc9.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3836
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3836 -s 668
        3⤵
        • Program crash
        PID:1392
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2620 -ip 2620
    1⤵
      PID:4292
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3836 -ip 3836
      1⤵
        PID:3148

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\ProgramData\mI01804IfDpO01804\mI01804IfDpO01804.exe
        Filesize

        396KB

        MD5

        50c5f13c0929db723d912ac0f344345e

        SHA1

        a9693f6d2632353bce380268d51b87c6b4989694

        SHA256

        70ad4e8bb26f80501343ffdcbea55f9688a831011119461c2895af1c74263178

        SHA512

        bb9e28ccd964330bfb68259a576ffedb48d5e5568e3ca2438df9c08f38ad977bf8002a67105a380c60b103fd7c528c63ceb52e0be02105b8a201809cab331e32

        Download Submit

      • memory/2620-0-0x0000000000690000-0x0000000000692000-memory.dmp

        Filesize

        8KB

        Download

      • memory/2620-1-0x0000000000400000-0x00000000004F0000-memory.dmp

        Filesize

        960KB

        Download

      • memory/2620-13-0x0000000000400000-0x00000000004F0000-memory.dmp

        Filesize

        960KB

        Download

      • memory/3836-14-0x0000000000400000-0x00000000004F0000-memory.dmp

        Filesize

        960KB

        Download

      • memory/3836-22-0x0000000000400000-0x00000000004F0000-memory.dmp

        Filesize

        960KB

        Download

      • memory/3836-29-0x0000000000400000-0x00000000004F0000-memory.dmp

        Filesize

        960KB

        Download