Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    19-06-2024 03:05

General

  • Target

    c80940307fe18b41717d9633e328625d343b3fb147fe78907a61a0a4f7b50348.exe

  • Size

    90KB

  • MD5

    70a9958dc7b60740b4ff2cc31e67c674

  • SHA1

    20787920945a52d9059f83dd7fec75fdc5e17b0d

  • SHA256

    c80940307fe18b41717d9633e328625d343b3fb147fe78907a61a0a4f7b50348

  • SHA512

    d036261142295ce54fe803beffcaf32697aeeda14b8e3d639b28da7b90fd0ea7b40081e7853b2c5c01d9788e4fd9432903e337b5431c0a9a25e6ec6af2d8489e

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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) 22 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 23 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\c80940307fe18b41717d9633e328625d343b3fb147fe78907a61a0a4f7b50348.exe
    "C:\Users\Admin\AppData\Local\Temp\c80940307fe18b41717d9633e328625d343b3fb147fe78907a61a0a4f7b50348.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Users\Admin\AppData\Local\Temp\c80940307fe18b41717d9633e328625d343b3fb147fe78907a61a0a4f7b50348.exe
      "C:\Users\Admin\AppData\Local\Temp\c80940307fe18b41717d9633e328625d343b3fb147fe78907a61a0a4f7b50348.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2348
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\SFJFC.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2896
        • 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:2264
      • 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:2144
        • 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:1760
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:288

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\SFJFC.bat
    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    90KB

    MD5

    ec109f70d7ea82db964a113b216ea141

    SHA1

    4fef96c7dba01069a50c42a8da8a1751cc7d9ca3

    SHA256

    222b51e167a0e7c3c6207cc31608d7e3f0c85b9aa2c8320a7e0cd134cd4c19d9

    SHA512

    90d8b0669f697e64fb7ada5563533fe4f5087b62fbb490a1d9acd60154bafc076c0bd6e3589bd1940cbbfb19448dc8f35db9989195b477302152fc090c190556

  • memory/288-263-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/288-248-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1704-95-0x00000000026D0000-0x0000000002723000-memory.dmp
    Filesize

    332KB

  • memory/1704-82-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/1704-25-0x0000000000404000-0x0000000000405000-memory.dmp
    Filesize

    4KB

  • memory/1704-86-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/1704-80-0x00000000003A0000-0x00000000003A2000-memory.dmp
    Filesize

    8KB

  • memory/1704-87-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/1704-83-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/1704-40-0x00000000002A0000-0x00000000002A1000-memory.dmp
    Filesize

    4KB

  • memory/1704-5-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/1704-3-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/1704-57-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/1704-28-0x0000000000280000-0x0000000000281000-memory.dmp
    Filesize

    4KB

  • memory/1704-15-0x0000000000250000-0x0000000000251000-memory.dmp
    Filesize

    4KB

  • memory/1704-61-0x0000000000360000-0x0000000000361000-memory.dmp
    Filesize

    4KB

  • memory/1704-105-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/1704-71-0x0000000000380000-0x0000000000381000-memory.dmp
    Filesize

    4KB

  • memory/1704-0-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/1704-79-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/1760-262-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2144-167-0x00000000002A0000-0x00000000002A1000-memory.dmp
    Filesize

    4KB

  • memory/2144-213-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2144-179-0x00000000002D0000-0x00000000002D1000-memory.dmp
    Filesize

    4KB

  • memory/2144-157-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/2144-254-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2348-108-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2348-152-0x0000000002D40000-0x0000000002D93000-memory.dmp
    Filesize

    332KB

  • memory/2348-151-0x0000000002D40000-0x0000000002D93000-memory.dmp
    Filesize

    332KB

  • memory/2348-137-0x0000000002D30000-0x0000000002D83000-memory.dmp
    Filesize

    332KB

  • memory/2348-107-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2348-110-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2348-101-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2348-172-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2348-103-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2348-99-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2348-257-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2348-97-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2348-94-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB