Analysis

  • max time kernel
    119s
  • max time network
    28s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-09-2024 03:05

General

  • Target

    cf9973a856a3a729940748a8466ca3ffa688fa209ef4ade1c5933c7590a69332N.exe

  • Size

    90KB

  • MD5

    ca34e8f2a289e3f21f0a55aeff97dad0

  • SHA1

    95549afe69a1e922eccf46be696cb3b73891a684

  • SHA256

    cf9973a856a3a729940748a8466ca3ffa688fa209ef4ade1c5933c7590a69332

  • SHA512

    80f8b52000d04faabc0cb884854d7f6b52334906efecb80b119b92c9cf0cf3b7b53e0a06fef9e0e76514916ca5986b04025dbb42ec4152cb913939c6907d9376

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDn:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • 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 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\cf9973a856a3a729940748a8466ca3ffa688fa209ef4ade1c5933c7590a69332N.exe
    "C:\Users\Admin\AppData\Local\Temp\cf9973a856a3a729940748a8466ca3ffa688fa209ef4ade1c5933c7590a69332N.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\cf9973a856a3a729940748a8466ca3ffa688fa209ef4ade1c5933c7590a69332N.exe
      "C:\Users\Admin\AppData\Local\Temp\cf9973a856a3a729940748a8466ca3ffa688fa209ef4ade1c5933c7590a69332N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2524
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\BPFSO.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1156
        • 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:2676
      • 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:832
        • 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:1668
        • 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:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    61d46ac9e30ebc55b5588542a61d5442

    SHA1

    41572dd62e642b32feee562840ea88b7020fc3f7

    SHA256

    bde052e595e1568e5859d8c323cc9c43e37853b17b2cbead75dc64ee3dd4f672

    SHA512

    8a26319a66dd87d097f8237bfd55c57fd334092f25bd5aebc10590d5846caef5d1e11836f65bdb868af6cc9d2d28a4888b4e941fb8a203f712decbeb6ba42119

  • memory/832-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/832-173-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/832-184-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/832-218-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/832-163-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/832-160-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1668-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2248-155-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

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

    Filesize

    332KB

  • memory/2248-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2248-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

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

    Filesize

    332KB

  • memory/2248-82-0x00000000003A0000-0x00000000003A2000-memory.dmp

    Filesize

    8KB

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

    Filesize

    332KB

  • memory/2248-80-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-72-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

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

    Filesize

    332KB

  • memory/2248-61-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2248-41-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2248-29-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2248-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

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

    Filesize

    332KB

  • memory/2248-27-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2248-25-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-107-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2524-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2524-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2524-138-0x0000000002D50000-0x0000000002DA3000-memory.dmp

    Filesize

    332KB

  • memory/2524-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2524-158-0x0000000002D50000-0x0000000002DA3000-memory.dmp

    Filesize

    332KB

  • memory/2524-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2524-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2524-151-0x0000000002D50000-0x0000000002DA3000-memory.dmp

    Filesize

    332KB

  • memory/2524-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2524-111-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2524-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2524-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2524-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2612-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB