Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 12:25

General

  • Target

    8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe

  • Size

    90KB

  • MD5

    b9b93c0ec9040edaa11db9c836d3c170

  • SHA1

    9aa95882f999a1a193334f242fb75bba477e3825

  • SHA256

    8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57b

  • SHA512

    5a9674af3369cdbdbf239ab6c04af379caaccf5faba9e88ec97f0a0f1617208492ce52d13b43d65ed29132de33170d1768b3a52b0b4f1fa30521cdcc619af831

  • 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 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 24 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\8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe
    "C:\Users\Admin\AppData\Local\Temp\8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Users\Admin\AppData\Local\Temp\8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe
      "C:\Users\Admin\AppData\Local\Temp\8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\WMIHU.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1804
        • 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:2064
      • 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:1724
        • 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:1332
        • 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:892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    726649a948e2ccda620c5cc5aabeef3b

    SHA1

    2590ad8fc5319549ba9b1a3149d4179673f8452a

    SHA256

    af41b67fd05583ccd7b1cccc30a43e51d0fb07a56ec66bb125fa4d1584e65a83

    SHA512

    68e3313e1030d2e497ff4cf43f3f950792f4951f6031549e293323797efb874718a6772781fa5926abbdf207736b5698b69a862f0d46993077243cf1b18b82bd

  • memory/892-263-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/892-256-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1332-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1332-255-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1724-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1724-168-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/1724-179-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/1724-213-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1724-158-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2700-101-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2700-154-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2700-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2700-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2700-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

    Filesize

    8KB

  • memory/2700-61-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2700-41-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2700-29-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2700-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2700-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2700-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2700-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2700-71-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2700-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2700-90-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2732-148-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2732-217-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2732-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2732-147-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2732-134-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2732-150-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2732-155-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2732-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2732-222-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2732-149-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2732-216-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2732-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2732-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2732-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2732-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2732-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2732-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2732-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2732-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2732-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB