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Analysis

  • max time kernel
    119s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/09/2024, 22:02

General

  • Target

    0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe

  • Size

    308KB

  • MD5

    61bae7e633d9a6177738a1c2f4106990

  • SHA1

    e898a7ed5273a147efbadcbe32619c35c823f3f1

  • SHA256

    0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588a

  • SHA512

    1c284247bed3e27efe7b34bc1dda93e8f37a750e1a6756451b381e7602469405211019ea1876354a506fdec71c6735f505a6c2983e263527a26fe39a03be58ce

  • SSDEEP

    3072:/c3sBG7mXh7m/zZM3jAbNOM6CNtDCZFL:E3sBz0Z4Mj72F

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • 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
  • UPX packed file 11 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • 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\0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
    "C:\Users\Admin\AppData\Local\Temp\0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Users\Admin\AppData\Local\Temp\0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
      "C:\Users\Admin\AppData\Local\Temp\0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:708
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PCGCQ.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2292
        • 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:3896
      • 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:1064
        • 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:4496
        • 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:4876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    308KB

    MD5

    3ad3e8843806467a186b9ccaf253be19

    SHA1

    4eab40d6804e38b0c5b63bdbc566fe2e3e5bbde2

    SHA256

    a6361c2a12435d746039b53e97928e89d26cc8728c3acd4106195052013b6f1c

    SHA512

    41b15e26a5e5ebb217ba8c2423b8137fcf996b25a72eb317ffb05769d103a5e3e8b766453a8b0f5f2ea9d4e65aa2bb34a62c0b224cc523db4213dcbabf6924e9

  • memory/708-53-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/708-5-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/708-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/708-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1064-37-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1064-33-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1064-36-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1064-47-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4496-57-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4876-56-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4876-58-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4876-50-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4876-48-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4876-54-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4876-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4988-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4988-3-0x0000000002420000-0x0000000002421000-memory.dmp

    Filesize

    4KB

  • memory/4988-4-0x0000000002440000-0x0000000002441000-memory.dmp

    Filesize

    4KB