Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2024 20:23

General

  • Target

    3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe

  • Size

    90KB

  • MD5

    84c7b1a41cf4bfa8007a776ce85c9ba0

  • SHA1

    ac8d7e44eb446d7ca2ae62ed1166a8b45d0affd0

  • SHA256

    3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80

  • SHA512

    c287ef1f863fa5b55afe45c85a74e91f1beb9f2ef7957d4fd57edbab3afc4888a8268ad081f38266ba93a074528a58f167dbc1b0c3312509aed8608236f1d0cf

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDW:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3U

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 23 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\3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe
    "C:\Users\Admin\AppData\Local\Temp\3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Users\Admin\AppData\Local\Temp\3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe
      "C:\Users\Admin\AppData\Local\Temp\3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:688
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\CRSPY.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2332
        • 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:2404
      • 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:2660
        • 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:2100
        • 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:1288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    a06c4cb6f0252eeada454f7c3aa06290

    SHA1

    bf690f5c1ace98c952e8772c1943d8b29a234167

    SHA256

    89290a04fb24f3d5e8a8bf5142562236d668c3259626fd0acf606b37ce6be11c

    SHA512

    3a17a154c1a8c656c99683856ae542360b65e84c3a00a757380f7cd2825b828b5b23b26f041b4ad88c78adde12eee3ef51a3948056770b424b4e0ae46f748d7c

  • memory/688-217-0x0000000003160000-0x00000000031B3000-memory.dmp

    Filesize

    332KB

  • memory/688-147-0x0000000003160000-0x00000000031B3000-memory.dmp

    Filesize

    332KB

  • memory/688-148-0x0000000003160000-0x00000000031B3000-memory.dmp

    Filesize

    332KB

  • memory/688-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/688-251-0x0000000003160000-0x00000000031B3000-memory.dmp

    Filesize

    332KB

  • memory/688-258-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/688-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/688-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/688-234-0x0000000003160000-0x00000000031B3000-memory.dmp

    Filesize

    332KB

  • memory/688-237-0x0000000003160000-0x00000000031B3000-memory.dmp

    Filesize

    332KB

  • memory/688-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/688-153-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/688-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/688-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/688-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/688-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/688-149-0x0000000003160000-0x00000000031B3000-memory.dmp

    Filesize

    332KB

  • memory/1288-252-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1288-264-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2100-239-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2100-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2256-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2256-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2256-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2256-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2256-29-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2256-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2256-41-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2256-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2256-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2256-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2256-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2256-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2256-61-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2256-71-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

  • memory/2256-79-0x0000000000390000-0x0000000000392000-memory.dmp

    Filesize

    8KB

  • memory/2256-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2660-166-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2660-254-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2660-177-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2660-221-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2660-156-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB