Analysis

  • max time kernel
    120s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 14:03

General

  • Target

    a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe

  • Size

    90KB

  • MD5

    80968a3709f86e793d4b4aeb6b51bb40

  • SHA1

    b5114dc33daada873a233b94eb8482af5d10d865

  • SHA256

    a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989a

  • SHA512

    56341b1a4744134a014f0edf594543b2a9f54f3145524cb4507d1e99d15046d3a41e8333b8ff8584a6201889dbd887e5dc38370e7c39469bec2e9c4f2b8e1ab2

  • 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 25 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\a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe
    "C:\Users\Admin\AppData\Local\Temp\a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Users\Admin\AppData\Local\Temp\a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe
      "C:\Users\Admin\AppData\Local\Temp\a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2620
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\AMSXJ.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1388
        • 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:2668
      • 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:2840
        • 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:1444
        • 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:1840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    d1f53adf28049704ccb772c3cbfd6934

    SHA1

    f6bb3e1a5b9c471027085f6170115b44759a506f

    SHA256

    705ef163abeb92850d9b603fa02a40005e8a0c6a24d471ea3b3b03c563c196ca

    SHA512

    d41549762236a5ed4a768bfa34f4d0d793959bcfe6ad43032797fceaf171f455517ef1d3779ceb7bcf7f9126dea9d6ad0eee04bda07216f1758814e4d4e91029

  • memory/1444-266-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1444-248-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1840-269-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1840-257-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2540-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2540-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2540-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2540-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2540-90-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2540-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2540-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2540-79-0x0000000000390000-0x0000000000392000-memory.dmp

    Filesize

    8KB

  • memory/2540-78-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2540-70-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

  • memory/2540-60-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2540-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2540-40-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2540-28-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2540-155-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2540-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2620-149-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2620-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-150-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2620-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-151-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2620-148-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2620-147-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2620-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-157-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2620-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2620-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-219-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2620-216-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2620-213-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2620-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-264-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-247-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2840-259-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2840-170-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2840-181-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2840-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2840-220-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2840-160-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB