Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2024, 21:47

General

  • Target

    dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe

  • Size

    90KB

  • MD5

    9762fb866c9e6f508b4d812150add229

  • SHA1

    8dc6025d4288907ca0f360847a00da18fd4546b6

  • SHA256

    dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c

  • SHA512

    5c9737d1d0bbc5cc063809a063396bf0570696f212eb41474161f4a27b7f885013353e5212a9a436de4429d5848d4a5d5c1a49214ae720f1385401ce9b5769e5

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDs:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3G

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\dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe
    "C:\Users\Admin\AppData\Local\Temp\dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Users\Admin\AppData\Local\Temp\dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe
      "C:\Users\Admin\AppData\Local\Temp\dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1032
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\NACWS.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2000
        • 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:2076
      • 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:324
        • 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:2316
        • 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:2460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    c592279cf2b705605705fb0af66736f3

    SHA1

    0e976a67b52cec4ff85c675fcf0873ce58159f03

    SHA256

    64b0282f28e3596565920717d0b566bd6a5f2bd6714b4b5abfc8c91694afa6a8

    SHA512

    066a028709fb1062f9cf184c40d669d630acb541a3b1b17a9292dee23ebd51a9c3403a9d3ccdda23b738ceaefac9688c564077bea8e866e7a26b01f3f5ebe5dc

  • memory/324-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/324-170-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/324-181-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/324-250-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/324-160-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/1032-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1032-225-0x0000000002770000-0x00000000027C3000-memory.dmp

    Filesize

    332KB

  • memory/1032-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1032-151-0x0000000002770000-0x00000000027C3000-memory.dmp

    Filesize

    332KB

  • memory/1032-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1032-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1032-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1032-152-0x0000000002770000-0x00000000027C3000-memory.dmp

    Filesize

    332KB

  • memory/1032-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1032-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1032-221-0x0000000002770000-0x00000000027C3000-memory.dmp

    Filesize

    332KB

  • memory/1032-150-0x0000000002770000-0x00000000027C3000-memory.dmp

    Filesize

    332KB

  • memory/1032-149-0x0000000002770000-0x00000000027C3000-memory.dmp

    Filesize

    332KB

  • memory/1032-232-0x0000000002770000-0x00000000027C3000-memory.dmp

    Filesize

    332KB

  • memory/1032-157-0x0000000002770000-0x00000000027C3000-memory.dmp

    Filesize

    332KB

  • memory/1032-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1032-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1032-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1032-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1032-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2316-251-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2316-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2460-255-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2460-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2828-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2828-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2828-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2828-105-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2828-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2828-29-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2828-41-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2828-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2828-61-0x00000000004F0000-0x00000000004F1000-memory.dmp

    Filesize

    4KB

  • memory/2828-71-0x0000000000510000-0x0000000000511000-memory.dmp

    Filesize

    4KB

  • memory/2828-5-0x0000000000200000-0x0000000000201000-memory.dmp

    Filesize

    4KB

  • memory/2828-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2828-79-0x0000000000530000-0x0000000000532000-memory.dmp

    Filesize

    8KB

  • memory/2828-3-0x0000000000200000-0x0000000000201000-memory.dmp

    Filesize

    4KB

  • memory/2828-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2828-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2828-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB