Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 20:02

General

  • Target

    fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe

  • Size

    90KB

  • MD5

    31e70adcfe761de58d23919e65d87a62

  • SHA1

    7de18e24e2640018ceb69217dcdfc45274ee87e4

  • SHA256

    fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430

  • SHA512

    55f2c8c3e6c7aac2c4bdbb9987a4996f534f9e40e73fb507f7864bc6229b0bdb8879b82be1e2864c709f24122f94d7490bc5be7030dbd8d835ab0c6d4e6e9761

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDW:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3E

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 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\fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe
    "C:\Users\Admin\AppData\Local\Temp\fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Users\Admin\AppData\Local\Temp\fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe
      "C:\Users\Admin\AppData\Local\Temp\fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2144
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\SRDLC.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1640
        • 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:2900
      • 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:2808
        • 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:2440
        • 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:2280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    19883886c84bfcb004818bf9a5b95632

    SHA1

    e50dfcfb34350d932adcd7c7145ec3f5a2aff855

    SHA256

    896aff1051ff267c00a905d46abe7d352f559b8b034855ed446c004910e2f95c

    SHA512

    e5ee4c490ff3be609f70ac2604b8c6897f3e415152c5fea3c5733e273c07c055cd5649deb8e83a849e881d3171a8db03c9a073268af002061c2f0760f7fe661a

  • memory/2144-149-0x0000000003450000-0x00000000034A3000-memory.dmp

    Filesize

    332KB

  • memory/2144-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2144-255-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2144-243-0x0000000003450000-0x00000000034A3000-memory.dmp

    Filesize

    332KB

  • memory/2144-241-0x0000000003450000-0x00000000034A3000-memory.dmp

    Filesize

    332KB

  • memory/2144-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2144-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2144-150-0x0000000003450000-0x00000000034A3000-memory.dmp

    Filesize

    332KB

  • memory/2144-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2144-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2144-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2144-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2144-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2144-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2280-250-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2280-261-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2440-258-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2792-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2792-71-0x0000000000510000-0x0000000000511000-memory.dmp

    Filesize

    4KB

  • memory/2792-93-0x0000000002750000-0x00000000027A3000-memory.dmp

    Filesize

    332KB

  • memory/2792-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2792-80-0x0000000001CA0000-0x0000000001CA2000-memory.dmp

    Filesize

    8KB

  • memory/2792-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2792-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2792-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2792-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2792-41-0x0000000000470000-0x0000000000471000-memory.dmp

    Filesize

    4KB

  • memory/2792-61-0x00000000004F0000-0x00000000004F1000-memory.dmp

    Filesize

    4KB

  • memory/2792-105-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2792-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2792-18-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2792-15-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2792-28-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2792-31-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2808-178-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2808-252-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2808-212-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2808-167-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2808-157-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2808-151-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB