Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 14:02

General

  • Target

    fcf41b6e247941dc5aed7a5eaa55724e6dce8da691732acb7558ed4905021a86N.exe

  • Size

    90KB

  • MD5

    ed19ede9461d535085a959ae82df0fa0

  • SHA1

    2f6409d66045ab4525147c6c43400decfaa786b6

  • SHA256

    fcf41b6e247941dc5aed7a5eaa55724e6dce8da691732acb7558ed4905021a86

  • SHA512

    df262437062037d98474d440592fe6f9e2f15c77c1ec1f2e01ed252fd3354cd7ba9d7adf1a73936833679fc86e861171d35372b1c914b6c50c030c5b95e2d4b1

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDS:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3E

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 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 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fcf41b6e247941dc5aed7a5eaa55724e6dce8da691732acb7558ed4905021a86N.exe
    "C:\Users\Admin\AppData\Local\Temp\fcf41b6e247941dc5aed7a5eaa55724e6dce8da691732acb7558ed4905021a86N.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\fcf41b6e247941dc5aed7a5eaa55724e6dce8da691732acb7558ed4905021a86N.exe
      "C:\Users\Admin\AppData\Local\Temp\fcf41b6e247941dc5aed7a5eaa55724e6dce8da691732acb7558ed4905021a86N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3052
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\IUYVJ.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1320
        • 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:1112
      • 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:1632
        • 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:1840
        • 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:2292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    84eaa098dde38abb5e3c3ed88384cd84

    SHA1

    4dccede480697c0598c0a90d5313bdc7ec6c0c1f

    SHA256

    26b13ae23fd151b1e1b602ac1a9468f02a519bec766be8385b4083cb9789db74

    SHA512

    7c9badf9a28335a1027db26a10ff09a3a147ce5fd585437a604991a9dc7e9d7239b86ac8010c3279b27d6b648dbae40b14026933a49598d07a01af5a329bc29f

  • memory/1632-255-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1632-250-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1632-168-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1632-214-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1632-179-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1632-158-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1840-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2292-263-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2292-251-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2532-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2532-3-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2532-80-0x00000000003F0000-0x00000000003F2000-memory.dmp

    Filesize

    8KB

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

    Filesize

    332KB

  • memory/2532-71-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2532-61-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

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

    Filesize

    332KB

  • memory/2532-28-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2532-5-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

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

    Filesize

    332KB

  • memory/2532-18-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2532-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2532-43-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2532-110-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2532-40-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

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

    Filesize

    332KB

  • memory/2532-99-0x0000000001F00000-0x0000000001F53000-memory.dmp

    Filesize

    332KB

  • memory/3052-150-0x00000000034C0000-0x0000000003513000-memory.dmp

    Filesize

    332KB

  • memory/3052-149-0x00000000034C0000-0x0000000003513000-memory.dmp

    Filesize

    332KB

  • memory/3052-148-0x00000000034C0000-0x0000000003513000-memory.dmp

    Filesize

    332KB

  • memory/3052-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3052-155-0x00000000034C0000-0x0000000003513000-memory.dmp

    Filesize

    332KB

  • memory/3052-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3052-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3052-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3052-213-0x00000000034C0000-0x0000000003513000-memory.dmp

    Filesize

    332KB

  • memory/3052-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3052-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3052-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3052-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3052-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3052-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3052-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB