Analysis

  • max time kernel
    118s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2024, 17:24

General

  • Target

    9c51578ada81088f0f0b187fa7676a5a7bd4b49eb159392e92ddf574011e629fN.exe

  • Size

    90KB

  • MD5

    c12dfa1d343f12b5700ab4cf6cb98470

  • SHA1

    efb96ee52a5b5f0f37ff36b9f8ab4bdff8f681b7

  • SHA256

    9c51578ada81088f0f0b187fa7676a5a7bd4b49eb159392e92ddf574011e629f

  • SHA512

    8e270f784cdfcbf861a05beaad53a4b2e35b176d0fcc252c0843284246830f12897780525361537bda65ac3fa14bee275f6476413801049175ef480070f68531

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDJ:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3j

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 26 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\9c51578ada81088f0f0b187fa7676a5a7bd4b49eb159392e92ddf574011e629fN.exe
    "C:\Users\Admin\AppData\Local\Temp\9c51578ada81088f0f0b187fa7676a5a7bd4b49eb159392e92ddf574011e629fN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Users\Admin\AppData\Local\Temp\9c51578ada81088f0f0b187fa7676a5a7bd4b49eb159392e92ddf574011e629fN.exe
      "C:\Users\Admin\AppData\Local\Temp\9c51578ada81088f0f0b187fa7676a5a7bd4b49eb159392e92ddf574011e629fN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2044
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\BMTXJ.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2336
        • 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:2716
      • 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:2952
        • 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:828
        • 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:2220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    240acef7b097b102c2a6853b80c3089f

    SHA1

    f6cb44a2db13c3d71bde5e72bdcb9a9a92aa11bb

    SHA256

    b0110bfdf973ddfcd1d436bcd8b7a268d027f9f2d4204f493b8f453346e570dc

    SHA512

    950f04290f5f20f8a890df3403f8fceb7843f8ef1d90b9bf0136f160fbb7dcccedfde915fe91e07d30ec4ad80c4b8e0ddedd2e7cf4069a664adb7e17f028f38d

  • memory/828-266-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/828-252-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-256-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2044-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-251-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2044-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2044-247-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2044-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-250-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2044-214-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2044-157-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-148-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2044-149-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2044-150-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2044-151-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2044-152-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2044-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-111-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2180-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2180-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2180-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2180-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2180-29-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2180-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2180-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-71-0x00000000004D0000-0x00000000004D1000-memory.dmp

    Filesize

    4KB

  • memory/2180-156-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2180-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2180-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2180-15-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-80-0x00000000004F0000-0x00000000004F2000-memory.dmp

    Filesize

    8KB

  • memory/2180-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2180-110-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2180-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2180-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2180-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2220-257-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2220-269-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2952-170-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2952-181-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2952-259-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2952-216-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2952-160-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB