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
    02-12-2024 20:04

General

  • Target

    843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe

  • Size

    90KB

  • MD5

    45dbdb19392e37af2d784041f8cdbd25

  • SHA1

    9085f37a0234f0f7509fb21d342ee178b7ea4270

  • SHA256

    843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a

  • SHA512

    6c7cdaa9c66678621adf7ab33fc81f3da2d16a513c31cbc3d2c260ec4f6985ebf039c2f7f1fa03ec2fe0ee4cc940215a423e2f790a1bd7948ce7a59da492a570

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD1:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3D

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 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\843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe
    "C:\Users\Admin\AppData\Local\Temp\843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Users\Admin\AppData\Local\Temp\843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe
      "C:\Users\Admin\AppData\Local\Temp\843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\RDBFA.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2856
        • 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:2884
      • 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:2984
        • 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:2516
        • 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:2492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    f51f1e842c805a99241ff62cbde83dd0

    SHA1

    437a4152874edfe4b8a4360c973b6cfc2bbdae16

    SHA256

    618d3aad05c5f02af5d18e4fe6f9b44889c4ac29253e6d29a03c6adc49e9f92b

    SHA512

    eaaf2ae8dc6e81fd4bbf98bdbe5dea3008a5187c783bb02d08eed5e2c7111a99ed7e0d361a514f6ecad527e95f74097c60a4f34b66dda2d4dd36450aae3f4a9b

  • memory/2252-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2252-150-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/2252-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2252-249-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/2252-252-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/2252-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2252-149-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/2252-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2252-101-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2252-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2252-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2252-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2252-253-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/2252-246-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/2252-217-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/2252-157-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2252-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2252-151-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/2252-152-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/2252-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2492-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2492-268-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2516-265-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-82-0x00000000004D0000-0x00000000004D2000-memory.dmp

    Filesize

    8KB

  • memory/2744-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2744-21-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2744-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2744-29-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2744-41-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2744-61-0x0000000000490000-0x0000000000491000-memory.dmp

    Filesize

    4KB

  • memory/2744-71-0x00000000004B0000-0x00000000004B1000-memory.dmp

    Filesize

    4KB

  • memory/2744-76-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2744-156-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2744-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2744-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2744-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2744-80-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2744-94-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2744-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2744-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2744-105-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2744-84-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2984-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2984-170-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2984-222-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2984-181-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2984-160-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB