Analysis

  • max time kernel
    148s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 01:52

General

  • Target

    79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe

  • Size

    90KB

  • MD5

    8cc69ac51423b8dc1a18b52a60cdfe7f

  • SHA1

    7360a0adc2a84c376033585455b5ea02fb8aebd3

  • SHA256

    79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7

  • SHA512

    e97e0cca696327e8b50f9d6e8c8bd3b9c9639bf85a3c23a1c90e50a31dddaa102c4ca8c167211f018910f75c2e61f78ba656a7d3a52f31e58d53da5aa637a3d1

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDU:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3C

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\79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe
    "C:\Users\Admin\AppData\Local\Temp\79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe
      "C:\Users\Admin\AppData\Local\Temp\79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2844
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\GRWSG.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1764
        • 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:2916
      • 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:1588
        • 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:2328
        • 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:848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    54fa4d625c3359ee31fe31751d3ceff1

    SHA1

    a8d8ebd0d10f7a1ff01afb2de311a202dbd31610

    SHA256

    0daffe7ad6617c9a4b5e47bb7cecde4299cd55f9690c43dcff2cc5ff38fc7f45

    SHA512

    506f1d755a694afdd332e7f943579083832646bc565b4c5aefe61ca14e22859cc70ab4ba0173a9304dfffc585561b279956c1a6a6717cd472898df70058f2d30

  • memory/848-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/848-257-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1588-170-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/1588-218-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1588-181-0x0000000000470000-0x0000000000471000-memory.dmp

    Filesize

    4KB

  • memory/1588-261-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1588-160-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2328-256-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2328-265-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2548-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2548-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2548-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2548-103-0x00000000004A0000-0x00000000004F3000-memory.dmp

    Filesize

    332KB

  • memory/2548-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2548-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2548-79-0x0000000000320000-0x0000000000322000-memory.dmp

    Filesize

    8KB

  • memory/2548-71-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/2548-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2548-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2548-29-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2548-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2548-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2548-23-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2548-109-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2548-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2548-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2844-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2844-153-0x00000000032C0000-0x0000000003313000-memory.dmp

    Filesize

    332KB

  • memory/2844-152-0x00000000032C0000-0x0000000003313000-memory.dmp

    Filesize

    332KB

  • memory/2844-151-0x00000000032C0000-0x0000000003313000-memory.dmp

    Filesize

    332KB

  • memory/2844-150-0x00000000032C0000-0x0000000003313000-memory.dmp

    Filesize

    332KB

  • memory/2844-157-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2844-137-0x00000000032C0000-0x0000000003313000-memory.dmp

    Filesize

    332KB

  • memory/2844-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2844-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2844-217-0x00000000032C0000-0x0000000003313000-memory.dmp

    Filesize

    332KB

  • memory/2844-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2844-264-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2844-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2844-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2844-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2844-255-0x00000000032C0000-0x0000000003313000-memory.dmp

    Filesize

    332KB

  • memory/2844-253-0x00000000032C0000-0x0000000003313000-memory.dmp

    Filesize

    332KB

  • memory/2844-259-0x00000000032C0000-0x0000000003313000-memory.dmp

    Filesize

    332KB

  • memory/2844-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2844-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB