Analysis

  • max time kernel
    119s
  • max time network
    27s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    06-11-2024 13:23

General

  • Target

    365157dec3a6877593eb6a072e93964984ec81fa3098e9be589017cce6847a2fN.exe

  • Size

    90KB

  • MD5

    b7562e38ced30f12424f12a09c9acd80

  • SHA1

    aa4c5af685e7160c70c63b8d2b7b9e5e8c6ebaab

  • SHA256

    365157dec3a6877593eb6a072e93964984ec81fa3098e9be589017cce6847a2f

  • SHA512

    60601bb9f0ccaad092515b12c6444dd74b8471d1a64092da99f36d78e4025ba898ed7f18eaaab8c5e00cc407c5fd3a83fa64a0fc3260a47d999bb514f6a65497

  • 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 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\365157dec3a6877593eb6a072e93964984ec81fa3098e9be589017cce6847a2fN.exe
    "C:\Users\Admin\AppData\Local\Temp\365157dec3a6877593eb6a072e93964984ec81fa3098e9be589017cce6847a2fN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Users\Admin\AppData\Local\Temp\365157dec3a6877593eb6a072e93964984ec81fa3098e9be589017cce6847a2fN.exe
      "C:\Users\Admin\AppData\Local\Temp\365157dec3a6877593eb6a072e93964984ec81fa3098e9be589017cce6847a2fN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\BNVBT.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:3004
      • 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:2344
        • 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:1656
        • 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:936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    65e170f3d852b30753771f71d58adecb

    SHA1

    d2521b67f03f6e914472e192e498e5adecdb6090

    SHA256

    d31a8696deb09cbaecfd92646c060e1fdc9cbbe70b9c53555530050edb5eb1c2

    SHA512

    28b5945533076afb8846801240693944ee0ebde48f3c9c7d64ed44de660f0d0360d1c1d18060d28983d221fa1166d2433bbe542bc118e0d467171dc500c819f7

  • memory/936-256-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/936-270-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1656-267-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1656-250-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2344-262-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2344-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2344-174-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2344-200-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2344-218-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2344-185-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2344-164-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2744-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-158-0x0000000002A30000-0x0000000002A83000-memory.dmp

    Filesize

    332KB

  • memory/2744-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-160-0x0000000002A30000-0x0000000002A83000-memory.dmp

    Filesize

    332KB

  • memory/2744-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-161-0x0000000002A30000-0x0000000002A83000-memory.dmp

    Filesize

    332KB

  • memory/2744-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2744-157-0x0000000002A30000-0x0000000002A83000-memory.dmp

    Filesize

    332KB

  • memory/2744-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-266-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-151-0x0000000002A30000-0x0000000002A83000-memory.dmp

    Filesize

    332KB

  • memory/2744-150-0x0000000002A30000-0x0000000002A83000-memory.dmp

    Filesize

    332KB

  • memory/2744-142-0x0000000002A30000-0x0000000002A83000-memory.dmp

    Filesize

    332KB

  • memory/2856-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2856-62-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2856-72-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/2856-80-0x00000000003A0000-0x00000000003A2000-memory.dmp

    Filesize

    8KB

  • memory/2856-93-0x00000000024C0000-0x0000000002513000-memory.dmp

    Filesize

    332KB

  • memory/2856-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2856-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2856-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2856-86-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2856-30-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2856-42-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2856-25-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2856-26-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2856-27-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2856-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2856-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2856-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB