Analysis

  • max time kernel
    120s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2024 13:45

General

  • Target

    919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe

  • Size

    90KB

  • MD5

    5931d20f99c8f962078c737ef0a5a6e0

  • SHA1

    d5ce3506b90f9302c0ac47cac74e1a906c747cf0

  • SHA256

    919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57

  • SHA512

    c982ec2e978b6b28edd9447151e4c81a4e3ff80758e5913614d0fb044f3ad400c69d2f3c709700052422ddde0fae2dce1b51b53cba89522aaeef5cf18856d3b3

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 23 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\919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe
    "C:\Users\Admin\AppData\Local\Temp\919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Users\Admin\AppData\Local\Temp\919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe
      "C:\Users\Admin\AppData\Local\Temp\919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2976
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\KSJTP.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2172
        • 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:2032
      • 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:1244
        • 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:1324
        • 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:700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    d42a80a4cf9a0ddcb3490ffca9a067b7

    SHA1

    a020ff86e38eab2a21f1be719c988bb075dd9c3e

    SHA256

    465eb554354d1cc91934b85342a80be15f519e36ee8608d397003fcb9b9ec6e5

    SHA512

    2f8c3ac2fac98e36a05aff9ba6600888a4952cdaae9307fb5c2a1a4ce1acc956c93cdaefc6534c0cf19c57b6aeaf71ba5a16f675e38499cbb2af0ab0f5725706

  • memory/700-267-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/700-255-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1244-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1244-169-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/1244-180-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1244-227-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1244-159-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1244-152-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1324-264-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1324-251-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2976-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2976-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2976-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2976-250-0x0000000003170000-0x00000000031C3000-memory.dmp

    Filesize

    332KB

  • memory/2976-224-0x0000000003170000-0x00000000031C3000-memory.dmp

    Filesize

    332KB

  • memory/2976-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2976-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2976-226-0x0000000003170000-0x00000000031C3000-memory.dmp

    Filesize

    332KB

  • memory/2976-220-0x0000000003170000-0x00000000031C3000-memory.dmp

    Filesize

    332KB

  • memory/2976-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2976-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2976-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2976-156-0x0000000003170000-0x00000000031C3000-memory.dmp

    Filesize

    332KB

  • memory/2976-146-0x0000000003170000-0x00000000031C3000-memory.dmp

    Filesize

    332KB

  • memory/2976-150-0x0000000003170000-0x00000000031C3000-memory.dmp

    Filesize

    332KB

  • memory/2976-149-0x0000000003170000-0x00000000031C3000-memory.dmp

    Filesize

    332KB

  • memory/2976-148-0x0000000003170000-0x00000000031C3000-memory.dmp

    Filesize

    332KB

  • memory/2976-147-0x0000000003170000-0x00000000031C3000-memory.dmp

    Filesize

    332KB

  • memory/2976-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2976-155-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3036-69-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/3036-86-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3036-27-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/3036-39-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/3036-59-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/3036-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3036-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3036-77-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/3036-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3036-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3036-78-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3036-79-0x0000000000470000-0x0000000000472000-memory.dmp

    Filesize

    8KB

  • memory/3036-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/3036-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/3036-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB