Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 10:33

General

  • Target

    cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe

  • Size

    90KB

  • MD5

    1a4646afb2af5956538f1e7697c568b0

  • SHA1

    cb8757df7a7d38ec1c90eb536f64539dc9345f1e

  • SHA256

    cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33

  • SHA512

    ea758076c8a9f7421ba30db35d9a679566e0af17bc9ab72a817a34c3599d015f04f0cd572c65232b915eb42ea19c0ba11ee73d7190780446e5f27e3216150695

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDD:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE31

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 20 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\cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe
    "C:\Users\Admin\AppData\Local\Temp\cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Users\Admin\AppData\Local\Temp\cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe
      "C:\Users\Admin\AppData\Local\Temp\cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4680
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SAONH.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3788
        • 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:2692
      • 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:664
        • 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:908
        • 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:4412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    66f5ca1a3a0f9ec4d50d1dab9176777e

    SHA1

    23059b6d8f9509c2f1b464df4c97e98c5a450432

    SHA256

    74cde9b410d12666d36e8f0241fc2f8d48e831e408abf04996d59753da5f5a3e

    SHA512

    5a35c5375a0fe21a4630fff81353aeeaa65f4a9242b8ed199e034387bf6888bf75e1dbe1ab7bdb757e5fb0e2e167272e7a5c68da4e02604a938585d5aa8da5ea

  • memory/664-57-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/664-40-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/664-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/664-35-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/908-61-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4412-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4412-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4412-52-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4412-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4412-62-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4412-44-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4680-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4680-39-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4680-11-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4680-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4680-58-0x0000000000410000-0x00000000004D9000-memory.dmp

    Filesize

    804KB

  • memory/4680-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/5080-12-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/5080-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/5080-6-0x0000000002340000-0x0000000002342000-memory.dmp

    Filesize

    8KB

  • memory/5080-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/5080-4-0x0000000002310000-0x0000000002312000-memory.dmp

    Filesize

    8KB

  • memory/5080-3-0x0000000002300000-0x0000000002302000-memory.dmp

    Filesize

    8KB