Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2024 04:29

General

  • Target

    f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe

  • Size

    90KB

  • MD5

    cf06b01884cc385a5052575d07145816

  • SHA1

    52af8d0bfa381dffedc4bfd9c2755ba9bb12f19c

  • SHA256

    f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264

  • SHA512

    48a600a2c16a5ba4d3e01d5f44758db8e6b0d1393eae2360f5a2a5eb042e1ad0c60539639f7a2bb64f87157894cb91f8e3c605a1bc6030cdbb28e3a8dc2c030a

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDu: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 26 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\f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe
    "C:\Users\Admin\AppData\Local\Temp\f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2532
    • C:\Users\Admin\AppData\Local\Temp\f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe
      "C:\Users\Admin\AppData\Local\Temp\f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2656
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\WUTXK.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2932
        • 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:1232
      • 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:356
        • 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:2784
        • 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:1500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    3a55bae545f8ba55a61b89d33dd04eb5

    SHA1

    d494fa4d9fbb7e2aa858bfee6dbc08cae7fb68ec

    SHA256

    ff1ccc6d57f2020dbd7f35c8be6207133bea80fa07f7d60c43d5f77aeb16465d

    SHA512

    ffe2a012c94b170392199099eb0dc64ee0db673959a8a9b17fa0eaca948f9e4eb6fc6fdc5580a885ad3c678d5cd92c93f61eba0a41c6be55cf711de1a57c9b19

  • memory/356-221-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/356-154-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/356-160-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/356-181-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB

  • memory/356-258-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/356-170-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/1500-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1500-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2532-71-0x0000000001D20000-0x0000000001D21000-memory.dmp

    Filesize

    4KB

  • memory/2532-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2532-80-0x0000000001D40000-0x0000000001D42000-memory.dmp

    Filesize

    8KB

  • memory/2532-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2532-87-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2532-61-0x0000000001D00000-0x0000000001D01000-memory.dmp

    Filesize

    4KB

  • memory/2532-41-0x0000000000470000-0x0000000000471000-memory.dmp

    Filesize

    4KB

  • memory/2532-29-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2532-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2532-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2532-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2532-111-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2532-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2532-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2532-15-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2532-104-0x00000000024E0000-0x0000000002533000-memory.dmp

    Filesize

    332KB

  • memory/2532-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2532-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2656-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-152-0x00000000026B0000-0x0000000002703000-memory.dmp

    Filesize

    332KB

  • memory/2656-150-0x00000000026B0000-0x0000000002703000-memory.dmp

    Filesize

    332KB

  • memory/2656-157-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-151-0x00000000026B0000-0x0000000002703000-memory.dmp

    Filesize

    332KB

  • memory/2656-250-0x00000000026B0000-0x0000000002703000-memory.dmp

    Filesize

    332KB

  • memory/2656-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-252-0x00000000026B0000-0x0000000002703000-memory.dmp

    Filesize

    332KB

  • memory/2656-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2656-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2784-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2784-253-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB