Analysis

  • max time kernel
    149s
  • max time network
    27s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 05:28

General

  • Target

    ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe

  • Size

    90KB

  • MD5

    7426c44f03f4f348dccc35c7c92d377f

  • SHA1

    baa65a58514e1d3339366c17253c16e361cc4bec

  • SHA256

    ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79

  • SHA512

    01dd6c4976edc012b6461d2ae47dfc68be1a8cbbfad58181ba446bce4972bb9c7e18dcfcd3ab6f9f2938813b6e973590568b4e0afad262f03c2ef0a744fbdeae

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDi:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3o

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\ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe
    "C:\Users\Admin\AppData\Local\Temp\ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Users\Admin\AppData\Local\Temp\ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe
      "C:\Users\Admin\AppData\Local\Temp\ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:568
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\NLKOB.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3052
        • 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:1980
      • 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:3060
        • 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:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    a97c5b08e974df07aa4e0f7e577a8ae4

    SHA1

    6fde6b9eafbd441fcc0395fe23befa9181ba9de0

    SHA256

    3169db9a6d498ba77481667f413771a6646720696a02e7c32070ce4c9151c50a

    SHA512

    2aa2ca179a1360ebf5d009f93affc1fea571aeebac009046d0e5b9a203e50f7f5fb4889bad98f1cac029a04f199bc555113212bc586a55c2600f327d7d7b6dbf

  • memory/568-157-0x0000000001E50000-0x0000000001EA3000-memory.dmp

    Filesize

    332KB

  • memory/568-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-258-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-155-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-151-0x0000000002AD0000-0x0000000002B23000-memory.dmp

    Filesize

    332KB

  • memory/568-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-102-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/568-111-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-112-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1668-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2724-253-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2724-265-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3000-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-28-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/3000-76-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/3000-107-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-18-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/3000-40-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/3000-93-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-86-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-70-0x00000000004B0000-0x00000000004B1000-memory.dmp

    Filesize

    4KB

  • memory/3000-84-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-85-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-74-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-80-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/3000-82-0x00000000004D0000-0x00000000004D2000-memory.dmp

    Filesize

    8KB

  • memory/3000-60-0x0000000000490000-0x0000000000491000-memory.dmp

    Filesize

    4KB

  • memory/3000-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/3060-226-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3060-170-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/3060-181-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/3060-255-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3060-227-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3060-160-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB