Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 02:44

General

  • Target

    85b8febc31e754e9d3771cf16bb468cf77b31b39a10d8649676bfeba8acc711c.exe

  • Size

    90KB

  • MD5

    7e96c5bf3660b0313d611908d314d870

  • SHA1

    3975d62646372521922f23b2c9df6a5d5665ebe4

  • SHA256

    85b8febc31e754e9d3771cf16bb468cf77b31b39a10d8649676bfeba8acc711c

  • SHA512

    dac5488c83e01b8d6b1e1958432b29c5bd5327a0786114dc807c36f24905c35d353473114da59b0b711973820c39e8768ab6d7b1e34f49ba28e7ae66e62a6bf7

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDj:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE31

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 27 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\85b8febc31e754e9d3771cf16bb468cf77b31b39a10d8649676bfeba8acc711c.exe
    "C:\Users\Admin\AppData\Local\Temp\85b8febc31e754e9d3771cf16bb468cf77b31b39a10d8649676bfeba8acc711c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Users\Admin\AppData\Local\Temp\85b8febc31e754e9d3771cf16bb468cf77b31b39a10d8649676bfeba8acc711c.exe
      "C:\Users\Admin\AppData\Local\Temp\85b8febc31e754e9d3771cf16bb468cf77b31b39a10d8649676bfeba8acc711c.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2784
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\ULAVR.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2964
        • 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:2364
      • 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:2872
        • 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:956
        • 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:1736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    c5d3907a76bcd9279a114a282fca33d1

    SHA1

    5847f589471cd216f88c358f01561514c4674705

    SHA256

    75f2f252f4a23307d70a9eb17592e9c6ee26392e2433ff05792e40ba12e08e7b

    SHA512

    4cf57f5445570c4f846ea21eb25e230a504c1c3ec4d62a80f3388944257c243f5792b01bffef0c74592408edeb8fae783ba94ce18d759748eff40d0ef40604ee

  • memory/956-265-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1736-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1736-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2552-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-109-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-112-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-15-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2552-5-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2552-3-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2552-27-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2552-40-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2552-30-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2552-110-0x0000000001E70000-0x0000000001EC3000-memory.dmp

    Filesize

    332KB

  • memory/2552-88-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-80-0x0000000000470000-0x0000000000472000-memory.dmp

    Filesize

    8KB

  • memory/2552-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-71-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2552-93-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-61-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-60-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2784-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2784-258-0x00000000009B0000-0x0000000000A03000-memory.dmp

    Filesize

    332KB

  • memory/2784-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2784-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2784-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2784-154-0x00000000009B0000-0x0000000000A03000-memory.dmp

    Filesize

    332KB

  • memory/2784-111-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2784-152-0x00000000009B0000-0x0000000000A03000-memory.dmp

    Filesize

    332KB

  • memory/2784-148-0x00000000009B0000-0x0000000000A03000-memory.dmp

    Filesize

    332KB

  • memory/2784-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2784-157-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2784-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2784-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2784-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2784-256-0x00000000009B0000-0x0000000000A03000-memory.dmp

    Filesize

    332KB

  • memory/2784-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2784-215-0x00000000009B0000-0x0000000000A03000-memory.dmp

    Filesize

    332KB

  • memory/2784-218-0x00000000009B0000-0x0000000000A03000-memory.dmp

    Filesize

    332KB

  • memory/2872-259-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2872-253-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2872-181-0x0000000001B80000-0x0000000001B81000-memory.dmp

    Filesize

    4KB

  • memory/2872-170-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2872-160-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2872-219-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2872-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB