Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2024, 14:26

General

  • Target

    3f9f9f4e956f672a247e3aebcec6a41bccdaa7d1dbb58d7d2ed11626699ae003.exe

  • Size

    90KB

  • MD5

    bc7ced3763ca9191dd6376ee9c0fcd28

  • SHA1

    fa8c474704a4113364c1734020030afd05a51d85

  • SHA256

    3f9f9f4e956f672a247e3aebcec6a41bccdaa7d1dbb58d7d2ed11626699ae003

  • SHA512

    73ea35336518fd799810512904ffe734f6669167435f74da1e62bfaec58aab6a49ba31d5fa8c8fb6c84c7b63bd16a9961ec438dbbb5f4990a775f8ee97f2de49

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDM:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3S

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • ModiLoader Second Stage 2 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 22 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\3f9f9f4e956f672a247e3aebcec6a41bccdaa7d1dbb58d7d2ed11626699ae003.exe
    "C:\Users\Admin\AppData\Local\Temp\3f9f9f4e956f672a247e3aebcec6a41bccdaa7d1dbb58d7d2ed11626699ae003.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\3f9f9f4e956f672a247e3aebcec6a41bccdaa7d1dbb58d7d2ed11626699ae003.exe
      "C:\Users\Admin\AppData\Local\Temp\3f9f9f4e956f672a247e3aebcec6a41bccdaa7d1dbb58d7d2ed11626699ae003.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\IWDMV.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1104
        • 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:1956
      • 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:1832
        • 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:1984
        • 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:1500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    c68969f3c4354ee03d9a7339cd57492a

    SHA1

    8464ba52dd85eb22936e2daac6d9cce8b324c271

    SHA256

    28c8a5c9c2b50e6ff7ea93fe1a6501fdc76303aa54259b9dc78ab5147a582a74

    SHA512

    8d35a8313237dc007bf4ce274d1ce875e45d77b0900221f063762d522254392c5763b2f26f0d8a79262b8404ef836d9f94a404dda8d553eacd8f0d2e4ec8c546

  • memory/1500-256-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1500-258-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1832-156-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1832-177-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/1832-211-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1832-150-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1832-166-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/1832-249-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1984-257-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1984-255-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2380-61-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2380-71-0x00000000005C0000-0x00000000005C1000-memory.dmp

    Filesize

    4KB

  • memory/2380-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2380-103-0x00000000026D0000-0x0000000002723000-memory.dmp

    Filesize

    332KB

  • memory/2380-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2380-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2380-41-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2380-29-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2380-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2380-107-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2380-79-0x00000000005E0000-0x00000000005E2000-memory.dmp

    Filesize

    8KB

  • memory/2380-15-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2380-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2380-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2664-90-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-145-0x0000000003160000-0x00000000031B3000-memory.dmp

    Filesize

    332KB

  • memory/2664-144-0x0000000003160000-0x00000000031B3000-memory.dmp

    Filesize

    332KB

  • memory/2664-146-0x0000000003160000-0x00000000031B3000-memory.dmp

    Filesize

    332KB

  • memory/2664-153-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-147-0x0000000003160000-0x00000000031B3000-memory.dmp

    Filesize

    332KB

  • memory/2664-148-0x0000000003160000-0x00000000031B3000-memory.dmp

    Filesize

    332KB

  • memory/2664-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2664-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-252-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB