Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2024, 21:41

General

  • Target

    3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe

  • Size

    90KB

  • MD5

    a5787ade70af761d0a1b98d4496924c7

  • SHA1

    c5a5e3da5eebf8c769c5a5affe5d69f4f331774b

  • SHA256

    3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96

  • SHA512

    ee0be0c70937aef2096f09f10b37f88dccf50d04a44122c7cfb6570f08b7bf7695148e71aafca65c55983d37bef2d08a8bc7f7f37173acaf9fac8410d281e657

  • 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 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 21 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 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe
    "C:\Users\Admin\AppData\Local\Temp\3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Users\Admin\AppData\Local\Temp\3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe
      "C:\Users\Admin\AppData\Local\Temp\3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2060
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LMJSE.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4892
        • 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:4972
      • 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:2956
        • 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:1356
        • 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:1876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\LMJSE.txt

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    57320f15e02dbe5424c1628672a0fe5b

    SHA1

    f0eb8160214cc90385ccd3ccdeace685a6d9bee4

    SHA256

    1c7d80a982b47df120aa88b96295a785df414e63d81ab005da3af140501f9d49

    SHA512

    1125effad2279927fbdba1346167603a351d0efac36c2a3b41a51545d620e34bd3c04b3325eb2ae55ffefbab8977855f6f6fa3761a227478fd65c1050ed6bee2

  • memory/1104-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1104-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1104-6-0x0000000002440000-0x0000000002442000-memory.dmp

    Filesize

    8KB

  • memory/1104-11-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1104-4-0x0000000002420000-0x0000000002422000-memory.dmp

    Filesize

    8KB

  • memory/1104-3-0x0000000002410000-0x0000000002412000-memory.dmp

    Filesize

    8KB

  • memory/1356-63-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1876-64-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1876-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1876-57-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1876-54-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1876-56-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1876-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2060-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2060-40-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2060-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2060-60-0x0000000000410000-0x00000000004D9000-memory.dmp

    Filesize

    804KB

  • memory/2060-62-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2060-12-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2060-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2956-42-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2956-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2956-37-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2956-59-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB