Overview

overview

10

Static

static

5

1fde57c863...68.exe

windows7-x64

10

1fde57c863...68.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 01:17

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General

  • Target

    1fde57c8632f81e1ddd18313f8ccac68.exe

  • Size

    512KB

  • MD5

    1fde57c8632f81e1ddd18313f8ccac68

  • SHA1

    9de18a319aae72f212efdf53e9b0115daf41db44

  • SHA256

    1698e6dfeda5d819eb36efe4feb6b658fbc8c58607370ffed7d6743fc76fd444

  • SHA512

    b10b805b0b4774b5e3d3413781972fa9fa645e6d20790a4a5137b7df424bba1397ddd7d7381939ad16a82cad1259f62e0b8f8efa2bd2d740298228f4da3e5d47

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6n:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5Q

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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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 4 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 19 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1fde57c8632f81e1ddd18313f8ccac68.exe
    "C:\Users\Admin\AppData\Local\Temp\1fde57c8632f81e1ddd18313f8ccac68.exe"
    1⤵
    • Checks computer location settings
    • 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:2536
    • C:\Windows\SysWOW64\iocmeewphb.exe
      iocmeewphb.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
      • 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:2784
      • C:\Windows\SysWOW64\tthliwtl.exe
        C:\Windows\system32\tthliwtl.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1252
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1700
    • C:\Windows\SysWOW64\kvgdftowgfmxq.exe
      kvgdftowgfmxq.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2484
    • C:\Windows\SysWOW64\tthliwtl.exe
      tthliwtl.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:804
    • C:\Windows\SysWOW64\agswszgxbmaeclm.exe
      agswszgxbmaeclm.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    89KB

    MD5

    810db92b4b3eb1f950ce232e8beb7a75

    SHA1

    47ace7d61d3b7ce1f59ac138bc0bc2d3b62c607e

    SHA256

    97a2b63ad8e659e865f108356d5283675b59bea5b6f5add51e03a79fde15ee9c

    SHA512

    e196a428e6f76ad9cab68f4683b5ac2babbeef6d128743825751446ec313b1e8abc50befb5ce5e62991d153b06cea1a00e4c5f63c6b9be06037aa2a193cbaf78

    Download Submit

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

    30KB

    MD5

    984007468c77f24a7fbf10223567379f

    SHA1

    65b885a352a7f509a2422533468f0ae4ffdba16e

    SHA256

    2cfb8950237ab0296574502fe5fb73a3354f4a8aa125fb6dbab5b20695bfbb83

    SHA512

    657b8544e1d2b2ed9c794166b69065b1e36586e41b69cc76ddc34546ab41fbe7de5a1d2a69689ab42548001af536eda7dc99dace3886dd3c23bfad29bb53fd63

    Download Submit

  • memory/1700-53-0x00007FFE59270000-0x00007FFE59465000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1700-41-0x00007FFE192F0000-0x00007FFE19300000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1700-50-0x00007FFE59270000-0x00007FFE59465000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1700-54-0x00007FFE59270000-0x00007FFE59465000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1700-151-0x00007FFE59270000-0x00007FFE59465000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1700-55-0x00007FFE16B80000-0x00007FFE16B90000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1700-52-0x00007FFE16B80000-0x00007FFE16B90000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1700-51-0x00007FFE59270000-0x00007FFE59465000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1700-48-0x00007FFE59270000-0x00007FFE59465000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1700-47-0x00007FFE59270000-0x00007FFE59465000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1700-45-0x00007FFE192F0000-0x00007FFE19300000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1700-44-0x00007FFE59270000-0x00007FFE59465000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1700-43-0x00007FFE192F0000-0x00007FFE19300000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1700-49-0x00007FFE59270000-0x00007FFE59465000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1700-40-0x00007FFE59270000-0x00007FFE59465000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1700-38-0x00007FFE59270000-0x00007FFE59465000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1700-35-0x00007FFE192F0000-0x00007FFE19300000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1700-46-0x00007FFE59270000-0x00007FFE59465000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1700-42-0x00007FFE59270000-0x00007FFE59465000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1700-39-0x00007FFE192F0000-0x00007FFE19300000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1700-123-0x00007FFE59270000-0x00007FFE59465000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1700-124-0x00007FFE59270000-0x00007FFE59465000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1700-125-0x00007FFE59270000-0x00007FFE59465000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1700-147-0x00007FFE192F0000-0x00007FFE19300000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1700-149-0x00007FFE192F0000-0x00007FFE19300000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1700-150-0x00007FFE192F0000-0x00007FFE19300000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1700-148-0x00007FFE192F0000-0x00007FFE19300000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2536-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

    Download