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Analysis

  • max time kernel
    9s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2024, 02:26

General

  • Target

    9d874d03589c772615de01051953e8e6073b0e9bcc56a6f2004a49736d43c8cdN.exe

  • Size

    112KB

  • MD5

    b6f5802b6314728a56d3d930dd836420

  • SHA1

    bf922bf806d249168ff79bf76ca3ab3596adbbf3

  • SHA256

    9d874d03589c772615de01051953e8e6073b0e9bcc56a6f2004a49736d43c8cd

  • SHA512

    aa9520f7b57698f5616b5635c045ae3f3c4990218992afc54ed1f33e390e481304f6577d10538260a0760516301ac5f2e26ab08ef9a71fc7941fcbfc2c5ffe84

  • SSDEEP

    1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJ:tVIr7zI+fAceoGxSKKo5

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 5 IoCs
  • UPX packed file 12 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 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d874d03589c772615de01051953e8e6073b0e9bcc56a6f2004a49736d43c8cdN.exe
    "C:\Users\Admin\AppData\Local\Temp\9d874d03589c772615de01051953e8e6073b0e9bcc56a6f2004a49736d43c8cdN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4148
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3952
    • C:\Users\Admin\AppData\Local\Temp\9d874d03589c772615de01051953e8e6073b0e9bcc56a6f2004a49736d43c8cdN.exe
      "C:\Users\Admin\AppData\Local\Temp\9d874d03589c772615de01051953e8e6073b0e9bcc56a6f2004a49736d43c8cdN.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4576
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OTYEF.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4088
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows WA" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:2620
      • C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1436
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\system32\svchost.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1000
        • C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1124
        • C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    148B

    MD5

    3a4614705555abb049c3298e61170b7f

    SHA1

    c8686410756f346d9551256a5b878b04770950ba

    SHA256

    cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

    SHA512

    65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

    Filesize

    112KB

    MD5

    f1d2aef898e94390014773d208b1bf6d

    SHA1

    1c5e161c72d5b0cc9752f2abfa145c7af106ab84

    SHA256

    b8e45bab804d7e5dff1ebeca462bdf549b5d863d4a6b041779f86099a60663ec

    SHA512

    386d4e4e49aebcae98cd9bc8b6238d123afdbc4fc9aba5b908e09839483d0626d569d721d7819be6915a859e4d8d88a30c8f96a5828c0090ba873d07ce9c0af6

  • memory/220-65-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/220-66-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/220-78-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/220-62-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/220-67-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/220-64-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1000-52-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1000-74-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1000-49-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1000-61-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1124-75-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1436-70-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1436-44-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1436-45-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1436-46-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1436-50-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3952-47-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3952-6-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3952-10-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3952-16-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/4148-14-0x0000000002D30000-0x0000000002D32000-memory.dmp

    Filesize

    8KB

  • memory/4148-2-0x00000000022C0000-0x00000000022C2000-memory.dmp

    Filesize

    8KB

  • memory/4148-4-0x0000000002330000-0x0000000002332000-memory.dmp

    Filesize

    8KB

  • memory/4148-3-0x00000000022F0000-0x00000000022F2000-memory.dmp

    Filesize

    8KB

  • memory/4148-5-0x0000000002BB0000-0x0000000002BB2000-memory.dmp

    Filesize

    8KB

  • memory/4576-11-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4576-73-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4576-17-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4576-48-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4576-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB