Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03-06-2024 19:08

General

  • Target

    19b481f60bf23ce2a2c58aba1944896c2664b4a83a198eba16a62e4865f6ad46.exe

  • Size

    326KB

  • MD5

    05e11957482d313af9803132d45f6390

  • SHA1

    5c250e93d7a4e7bfe55f9b0bd8176df2d6eca6d2

  • SHA256

    19b481f60bf23ce2a2c58aba1944896c2664b4a83a198eba16a62e4865f6ad46

  • SHA512

    28a3c429ccdf1ac90b6032e4642676f2cefb24e22282aa10b876ea2a6f87788c29539a1b405d5b6a5de61fc15b8e47c3578192f2056bc9fcf9f85007f4534411

  • 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 1 IoCs
  • ModiLoader Second Stage 1 IoCs
  • UPX dump on OEP (original entry point) 20 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 21 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\19b481f60bf23ce2a2c58aba1944896c2664b4a83a198eba16a62e4865f6ad46.exe
    "C:\Users\Admin\AppData\Local\Temp\19b481f60bf23ce2a2c58aba1944896c2664b4a83a198eba16a62e4865f6ad46.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\AppData\Local\Temp\19b481f60bf23ce2a2c58aba1944896c2664b4a83a198eba16a62e4865f6ad46.exe
      "C:\Users\Admin\AppData\Local\Temp\19b481f60bf23ce2a2c58aba1944896c2664b4a83a198eba16a62e4865f6ad46.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2832
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\QDAPX.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:908
        • 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:2592
      • 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:2596
        • 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:2536
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:1468

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\QDAPX.bat
    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    326KB

    MD5

    bed34e7e72c6404ab2bdb93845366cb4

    SHA1

    a1924307282d0a30f266b0ddbc40d48bede81db1

    SHA256

    82a9ad38014cfe2cd82aae47dba9e5b9436811bb81abcfc79b5dfb49a75a1824

    SHA512

    34a925ac7e1c39d044636b7fbfb7246782e95507ed53e912e0ebc120dac994be4c3a9f6685f453db2245c12d85bd2f19377ca3967049023700f78f6ab81bfce7

  • memory/1468-260-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1468-247-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/2240-105-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/2240-80-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/2240-0-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/2240-3-0x00000000001C0000-0x00000000001C1000-memory.dmp
    Filesize

    4KB

  • memory/2240-79-0x0000000000404000-0x0000000000405000-memory.dmp
    Filesize

    4KB

  • memory/2240-77-0x0000000001C20000-0x0000000001C22000-memory.dmp
    Filesize

    8KB

  • memory/2240-69-0x0000000000660000-0x0000000000661000-memory.dmp
    Filesize

    4KB

  • memory/2240-59-0x00000000003E0000-0x00000000003E1000-memory.dmp
    Filesize

    4KB

  • memory/2240-39-0x00000000002A0000-0x00000000002A1000-memory.dmp
    Filesize

    4KB

  • memory/2240-27-0x0000000000280000-0x0000000000281000-memory.dmp
    Filesize

    4KB

  • memory/2240-5-0x00000000001C0000-0x00000000001C1000-memory.dmp
    Filesize

    4KB

  • memory/2240-15-0x00000000001E0000-0x00000000001E1000-memory.dmp
    Filesize

    4KB

  • memory/2240-90-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/2240-91-0x0000000002480000-0x00000000024D4000-memory.dmp
    Filesize

    336KB

  • memory/2240-85-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/2536-259-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2536-246-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2596-155-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/2596-228-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/2596-248-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/2596-176-0x0000000000280000-0x0000000000281000-memory.dmp
    Filesize

    4KB

  • memory/2596-165-0x0000000000250000-0x0000000000251000-memory.dmp
    Filesize

    4KB

  • memory/2832-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2832-92-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2832-106-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2832-103-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2832-148-0x0000000002B50000-0x0000000002BA4000-memory.dmp
    Filesize

    336KB

  • memory/2832-133-0x00000000027B0000-0x0000000002804000-memory.dmp
    Filesize

    336KB

  • memory/2832-96-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2832-147-0x0000000002B50000-0x0000000002BA4000-memory.dmp
    Filesize

    336KB

  • memory/2832-251-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2832-94-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2832-100-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2832-102-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2832-152-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2832-146-0x0000000002B50000-0x0000000002BA4000-memory.dmp
    Filesize

    336KB