Overview

overview

10

Static

static

5

7d90080690...3a.exe

windows7-x64

10

7d90080690...3a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    2s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    02-01-2024 16:08

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    7d900806909ee5c184de79e826dc003a.exe

  • Size

    512KB

  • MD5

    7d900806909ee5c184de79e826dc003a

  • SHA1

    794263d5a98079ccfc9fa45d7f205728723a4035

  • SHA256

    eb1e6b5d494cacbfbaa78d1e8003e3e6f51c0b739fedfeba6933645bf6364d29

  • SHA512

    22848c42b3904a6d3d3c4193cfd1f2659fd91b8460567ba4840640c30c724d1cdf40a0bc992283da5a7c4f3e01fb7718b68252833cba64537eb605ae5a7e1d70

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6f:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm50

Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
    persistence
  • AutoIT Executable 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 15 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d900806909ee5c184de79e826dc003a.exe
    "C:\Users\Admin\AppData\Local\Temp\7d900806909ee5c184de79e826dc003a.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Windows\SysWOW64\mreqxbfqmlrdsof.exe
      mreqxbfqmlrdsof.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2436
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:2680
    • C:\Windows\SysWOW64\khdmxmjjykemm.exe
      khdmxmjjykemm.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2728
    • C:\Windows\SysWOW64\yyujdazq.exe
      yyujdazq.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1932
    • C:\Windows\SysWOW64\twbgipeeae.exe
      twbgipeeae.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2164
  • C:\Windows\SysWOW64\yyujdazq.exe
    C:\Windows\system32\yyujdazq.exe
    1⤵
    • Executes dropped EXE
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    PID:2876
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
      PID:1660

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\mreqxbfqmlrdsof.exe
      Filesize

      94KB

      MD5

      adf240d1843e40ab9617e9dc12bc9b5b

      SHA1

      70923ac6636077728d2721b22d312002f735deea

      SHA256

      f53d3e249050f489475559b9c39548a2afb7157dbd9e87551ef5349fa76ccb62

      SHA512

      e2aec62114f1f6b5e94e0888efc2758e284835e0099abbfd3dd80cf3500a1e0d628c3ecb66b6b48fe051327746af38f2e953e1f816819c6b18126212621e7ccd

      Download Submit

    • \Windows\SysWOW64\twbgipeeae.exe
      MD5

      d41d8cd98f00b204e9800998ecf8427e

      SHA1

      da39a3ee5e6b4b0d3255bfef95601890afd80709

      SHA256

      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

      SHA512

      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      Download Submit

    • memory/1660-75-0x0000000004190000-0x0000000004191000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1660-78-0x0000000004190000-0x0000000004191000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1660-83-0x0000000002B90000-0x0000000002BA0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1696-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2680-45-0x000000002F401000-0x000000002F402000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2680-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2680-47-0x000000007130D000-0x0000000071318000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2680-76-0x000000007130D000-0x0000000071318000-memory.dmp

      Filesize

      44KB

      Download