Analysis

  • max time kernel
    118s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 08:20

General

  • Target

    bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe

  • Size

    90KB

  • MD5

    bb739cca9980e660e6cc4eb1e0431840

  • SHA1

    6cfc2e1325209d0914207bf1504e00a3f2eb1f77

  • SHA256

    bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870

  • SHA512

    7dd59757902202273bcfc91638d6f6d3532baaab82993e714b934295fe4604b8312214e3dd58ae1686a1b5c0804fbdf7f7cfe90c440c23ad1b45af0a02970f08

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD8:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3+

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\bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe
    "C:\Users\Admin\AppData\Local\Temp\bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Users\Admin\AppData\Local\Temp\bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe
      "C:\Users\Admin\AppData\Local\Temp\bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\ADTPQ.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2320
        • 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:2628
      • 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:280
        • 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:1992
        • 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:2276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    cd94e0742b78b786e3e5d4f68422a15d

    SHA1

    0446ef327defded24414baba3c61e0090d943455

    SHA256

    922b04f4f1e1d74d407418f24b9b9e42e6052928b05fb2fe505d7a344a19a46c

    SHA512

    8f666fe9ea99e4b6c596ca3551fa9a24f58706f7839e4894f161affb63a5c41a2f2ee92d5f5b0d9ffa45c0f1f55fad719031dc2855b20be7859a67db3c367aa9

  • memory/280-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/280-160-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/280-216-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/280-181-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/280-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/280-170-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1992-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2276-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2276-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2300-84-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2300-60-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/2300-156-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2300-80-0x0000000000540000-0x0000000000542000-memory.dmp

    Filesize

    8KB

  • memory/2300-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2300-75-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2300-70-0x0000000000520000-0x0000000000521000-memory.dmp

    Filesize

    4KB

  • memory/2300-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2300-40-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2300-28-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2300-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2300-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2300-5-0x0000000000200000-0x0000000000201000-memory.dmp

    Filesize

    4KB

  • memory/2300-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2300-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2300-3-0x0000000000200000-0x0000000000201000-memory.dmp

    Filesize

    4KB

  • memory/2728-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2728-150-0x0000000001F00000-0x0000000001F53000-memory.dmp

    Filesize

    332KB

  • memory/2728-149-0x0000000001F00000-0x0000000001F53000-memory.dmp

    Filesize

    332KB

  • memory/2728-148-0x0000000001F00000-0x0000000001F53000-memory.dmp

    Filesize

    332KB

  • memory/2728-147-0x0000000001EF0000-0x0000000001F43000-memory.dmp

    Filesize

    332KB

  • memory/2728-151-0x0000000001EF0000-0x0000000001F43000-memory.dmp

    Filesize

    332KB

  • memory/2728-157-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2728-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2728-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2728-215-0x0000000001EF0000-0x0000000001F43000-memory.dmp

    Filesize

    332KB

  • memory/2728-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2728-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2728-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2728-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2728-248-0x0000000001F00000-0x0000000001F53000-memory.dmp

    Filesize

    332KB

  • memory/2728-247-0x0000000001F00000-0x0000000001F53000-memory.dmp

    Filesize

    332KB

  • memory/2728-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2728-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2728-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB