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Analysis

  • max time kernel
    118s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/01/2025, 16:49

General

  • Target

    8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe

  • Size

    90KB

  • MD5

    e70d85a460779aa71db82794348ec730

  • SHA1

    df19bb273bb7f9d57c3dd7658887aa90ffe72788

  • SHA256

    8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722

  • SHA512

    9af57feccec4e284d47a9b9d9a039a60e699656c935fc6a6f174422c51b724a6a686dc1a3c0047594fc8df2c6862a0c15befa3e1ad15f0ceb543e90d206e6048

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDa:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3w

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 24 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\8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe
    "C:\Users\Admin\AppData\Local\Temp\8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Users\Admin\AppData\Local\Temp\8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe
      "C:\Users\Admin\AppData\Local\Temp\8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2652
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\KJXEN.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2952
        • 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:980
      • 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:1816
        • 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:2676
        • 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:444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    1241bebc3846e5efc219f07936b882f5

    SHA1

    79f15ce23475de88832adacdf83b377faa15668a

    SHA256

    8fd06caceddea64df5f58b56b10ed11e1e31991356f4f13bfe16c07f73fb7cb1

    SHA512

    f9a2f596a522dcf51b3540aa668f85af867c932b6274781fc84ea007fe40da3b9becbe274d920376bbf9968bf2a1cc0576f3aee9c46b23c1e17e477079543eb7

  • memory/444-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/444-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1816-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1816-169-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1816-216-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1816-180-0x0000000000340000-0x0000000000341000-memory.dmp

    Filesize

    4KB

  • memory/1816-159-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2324-155-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-80-0x00000000003A0000-0x00000000003A2000-memory.dmp

    Filesize

    8KB

  • memory/2324-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-71-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2324-61-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2324-43-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-40-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2324-28-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2324-18-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2324-15-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2324-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2324-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2324-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2652-149-0x0000000002470000-0x00000000024C3000-memory.dmp

    Filesize

    332KB

  • memory/2652-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2652-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2652-151-0x0000000002470000-0x00000000024C3000-memory.dmp

    Filesize

    332KB

  • memory/2652-150-0x0000000002470000-0x00000000024C3000-memory.dmp

    Filesize

    332KB

  • memory/2652-148-0x0000000002470000-0x00000000024C3000-memory.dmp

    Filesize

    332KB

  • memory/2652-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2652-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2652-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2652-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2652-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2652-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2652-245-0x0000000002470000-0x00000000024C3000-memory.dmp

    Filesize

    332KB

  • memory/2652-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2652-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2652-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2652-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2652-243-0x0000000002470000-0x00000000024C3000-memory.dmp

    Filesize

    332KB

  • memory/2652-252-0x0000000002470000-0x00000000024C3000-memory.dmp

    Filesize

    332KB

  • memory/2676-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2676-253-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB