Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    19-05-2024 19:32

General

  • Target

    2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe

  • Size

    326KB

  • MD5

    5fb43a35501b051a07773e0f80ffa963

  • SHA1

    81b2790bc760076059bcaa935fad7cc3a54094ed

  • SHA256

    2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339

  • SHA512

    de53735b97dd0c9647c286c362ca683800a5bbcc91e53884b8c8fa7e22422da751bed7c11894521c4633693342127de545ee5d5341e8d25352de275d4ca06fbc

  • SSDEEP

    3072:Ie2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:IsxD5cwohO+O1sVG0/pZ6iPC8

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Detects Windows executables referencing non-Windows User-Agents 2 IoCs
  • ModiLoader Second Stage 2 IoCs
  • UPX dump on OEP (original entry point) 21 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 22 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe
    "C:\Users\Admin\AppData\Local\Temp\2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Users\Admin\AppData\Local\Temp\2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe
      "C:\Users\Admin\AppData\Local\Temp\2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\PDEAV.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2828
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
          4⤵
          • Adds Run key to start application
          PID:2924
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:548
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2900
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:1104

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\PDEAV.bat
    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

  • \Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    Filesize

    326KB

    MD5

    7502e449f0d28914bb350874d6f47e59

    SHA1

    787d6e86bb6c41b2b03990ae6cfcb8e20eb892ef

    SHA256

    5389dc6b7bb765245d4a1e456a5be39677d57e87143d7e762d9feacca15f72d0

    SHA512

    7268cb5caeec1189e3b64632b846bd43e3beb6f78ccd8c41ef426267d01f9dd3e1acffa9ba6f5fa499e59cc430b4bead498aacedbf0183278c3cf784f30b2436

  • memory/548-249-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/548-210-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/548-174-0x0000000000270000-0x0000000000271000-memory.dmp
    Filesize

    4KB

  • memory/548-182-0x00000000002D0000-0x00000000002D1000-memory.dmp
    Filesize

    4KB

  • memory/548-163-0x0000000000250000-0x0000000000251000-memory.dmp
    Filesize

    4KB

  • memory/548-153-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/548-148-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1104-258-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1104-248-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1444-78-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1444-27-0x0000000000270000-0x0000000000271000-memory.dmp
    Filesize

    4KB

  • memory/1444-80-0x0000000000330000-0x0000000000332000-memory.dmp
    Filesize

    8KB

  • memory/1444-93-0x0000000001CD0000-0x0000000001D24000-memory.dmp
    Filesize

    336KB

  • memory/1444-79-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1444-3-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/1444-5-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/1444-82-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1444-15-0x0000000000250000-0x0000000000251000-memory.dmp
    Filesize

    4KB

  • memory/1444-54-0x0000000000404000-0x0000000000405000-memory.dmp
    Filesize

    4KB

  • memory/1444-39-0x00000000002A0000-0x00000000002A1000-memory.dmp
    Filesize

    4KB

  • memory/1444-70-0x0000000000310000-0x0000000000311000-memory.dmp
    Filesize

    4KB

  • memory/1444-105-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1444-60-0x00000000002F0000-0x00000000002F1000-memory.dmp
    Filesize

    4KB

  • memory/1444-85-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1444-92-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1444-0-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/2680-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2680-104-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2680-108-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2680-106-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2680-96-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2680-252-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2680-102-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2680-98-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2680-94-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2900-246-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2900-257-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB