Analysis

  • max time kernel
    120s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2024 09:04

General

  • Target

    43a84d9bc9e56a5981e848385632542d8f3b98578471fe6845401096ca75ccd2N.exe

  • Size

    90KB

  • MD5

    73cbaa9be5eef904f87cd39e80ae4020

  • SHA1

    8cb75e4599238f0d882728f949eb5970e8f8e4ea

  • SHA256

    43a84d9bc9e56a5981e848385632542d8f3b98578471fe6845401096ca75ccd2

  • SHA512

    81bac33cf7780453b499238dd88c231af10ef3dc101bbb931693ac6181ba53604d3ec4947d6d1b479890275074e80e1378fd66e05f1c5951b22595e3d766b194

  • 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.

  • Modiloader family
  • ModiLoader Second Stage 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 25 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\43a84d9bc9e56a5981e848385632542d8f3b98578471fe6845401096ca75ccd2N.exe
    "C:\Users\Admin\AppData\Local\Temp\43a84d9bc9e56a5981e848385632542d8f3b98578471fe6845401096ca75ccd2N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Users\Admin\AppData\Local\Temp\43a84d9bc9e56a5981e848385632542d8f3b98578471fe6845401096ca75ccd2N.exe
      "C:\Users\Admin\AppData\Local\Temp\43a84d9bc9e56a5981e848385632542d8f3b98578471fe6845401096ca75ccd2N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\FEPML.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:300
        • 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
          • System Location Discovery: System Language Discovery
          PID:1376
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1360
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1796
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\FEPML.bat

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

  • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

    Filesize

    90KB

    MD5

    ab2fbbb5b05fe4e352fd349cf2b891db

    SHA1

    d2b131028ab1781091c1ab618c78b6038bb77507

    SHA256

    0665292d35eea508cafc41c74cb04f10052f4e16e96a833d4023f275c1a000c8

    SHA512

    79d61cd21274f4d71a7413ce14212e54c39b7a6f504144d809d60231756f6093b27464dbe14d37adbed184a0e5eed85ec1c39008bea4ce15f9bf6582812de219

  • memory/1360-258-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1360-171-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/1360-182-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/1360-217-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1360-161-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/1796-265-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1796-252-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2440-29-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2440-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-41-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2440-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2440-109-0x0000000000730000-0x0000000000783000-memory.dmp

    Filesize

    332KB

  • memory/2440-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2440-61-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2440-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2440-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-87-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-80-0x0000000000390000-0x0000000000392000-memory.dmp

    Filesize

    8KB

  • memory/2440-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2440-71-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

  • memory/2612-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-216-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2612-153-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2612-152-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2612-151-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2612-150-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2612-158-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-154-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2612-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2612-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-251-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/2612-250-0x0000000003220000-0x0000000003273000-memory.dmp

    Filesize

    332KB

  • memory/3036-256-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3036-268-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB