Analysis

  • max time kernel
    119s
  • max time network
    28s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 05:02

General

  • Target

    cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe

  • Size

    90KB

  • MD5

    317495d9ee713aa4b8a7c7e869176f20

  • SHA1

    42f46c0d33fc718254b82197ff29b6aaea61b000

  • SHA256

    cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fd

  • SHA512

    42fc6dbfc3413edac3926ea6b2b8077f996c242adde49de08a2ec9e4a8be0933ae9334c449eee08fb1be975fec9f8d5540bf753da63ee525458d0fe943b075ed

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDU: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 2 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 63 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe
    "C:\Users\Admin\AppData\Local\Temp\cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Users\Admin\AppData\Local\Temp\cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe
      "C:\Users\Admin\AppData\Local\Temp\cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1672
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\VSRVI.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3056
        • 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:2104
      • 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:2808
        • 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:1848
        • 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:1472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    01ebd404d253342cf3893aab0fd81c18

    SHA1

    fcef7ecfc83bda81392333ca60963232112dcc31

    SHA256

    09608754431d03269776c474eaacaee6d78b4747e0fedf70ffd9a1fea3094713

    SHA512

    360f2e05341523992566fea18f616c5b76bfcf2c48a24b2773bedffd363dcb5cb66dd24238b137e71ee7b7556b2527362657e0eae94fcc9cd4ed417ab8d937dc

  • memory/1472-265-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1472-256-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1672-150-0x0000000002610000-0x0000000002663000-memory.dmp

    Filesize

    332KB

  • memory/1672-157-0x0000000002610000-0x0000000002663000-memory.dmp

    Filesize

    332KB

  • memory/1672-113-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1672-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1672-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1672-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1672-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1672-101-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1672-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1672-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1672-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1672-155-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1672-151-0x0000000002610000-0x0000000002663000-memory.dmp

    Filesize

    332KB

  • memory/1672-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1848-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2248-73-0x0000000000520000-0x0000000000521000-memory.dmp

    Filesize

    4KB

  • memory/2248-112-0x00000000025D0000-0x0000000002623000-memory.dmp

    Filesize

    332KB

  • memory/2248-62-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/2248-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-4-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-82-0x0000000000540000-0x0000000000542000-memory.dmp

    Filesize

    8KB

  • memory/2248-17-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2248-7-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2248-29-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2248-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-84-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-85-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-42-0x0000000000470000-0x0000000000471000-memory.dmp

    Filesize

    4KB

  • memory/2248-105-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-69-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2248-39-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2808-183-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2808-172-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2808-254-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2808-162-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2808-159-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2808-186-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB