Analysis

  • max time kernel
    119s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 04:16

General

  • Target

    50255a7b196b25f2d303ad99cbf41c8bffdd3ae8c6670229200fbb68eb4a3354N.exe

  • Size

    90KB

  • MD5

    d843ee4f7c656400db469b2f4548ab40

  • SHA1

    91c3fd3b5b2fc97f449fd7c41c875d73a37cd5a7

  • SHA256

    50255a7b196b25f2d303ad99cbf41c8bffdd3ae8c6670229200fbb68eb4a3354

  • SHA512

    0671deed4a357ad5a2d768be258ae0dd790ea02d674b00c8239dd5867c2d2bfa6af2596d5166245a127e17cc27e9afdd96b499b4bdeaeb043f382f68619f7a46

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDu:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3M

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 23 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\50255a7b196b25f2d303ad99cbf41c8bffdd3ae8c6670229200fbb68eb4a3354N.exe
    "C:\Users\Admin\AppData\Local\Temp\50255a7b196b25f2d303ad99cbf41c8bffdd3ae8c6670229200fbb68eb4a3354N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Users\Admin\AppData\Local\Temp\50255a7b196b25f2d303ad99cbf41c8bffdd3ae8c6670229200fbb68eb4a3354N.exe
      "C:\Users\Admin\AppData\Local\Temp\50255a7b196b25f2d303ad99cbf41c8bffdd3ae8c6670229200fbb68eb4a3354N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2044
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\FJXGG.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3048
        • 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:2988
      • 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:3016
        • 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:604
        • 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:620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    e4bb9b9aed79a6504c92a534b93e9963

    SHA1

    fdf0aabf8b577cc2198228a3a7e972c91bad906e

    SHA256

    3e2bf128b6ec54397a9fd361f093437fe20cae03d7fba57ecbad8892babfd2fb

    SHA512

    1768b32afe36cd76f725da60f1f8abf2a036e05167423f136a608a45dfeedaaa13d493f6a604b1e6fb3aa05849fc4b8f2e68b97f2720d0a353dd94396bf3be1c

  • memory/604-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/620-260-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/620-256-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2044-149-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2044-140-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2044-253-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-212-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2044-213-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2044-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-150-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2044-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2044-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2044-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2416-61-0x00000000022C0000-0x00000000022C1000-memory.dmp

    Filesize

    4KB

  • memory/2416-105-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2416-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2416-71-0x00000000022E0000-0x00000000022E1000-memory.dmp

    Filesize

    4KB

  • memory/2416-41-0x0000000000610000-0x0000000000611000-memory.dmp

    Filesize

    4KB

  • memory/2416-89-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/2416-15-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2416-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2416-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2416-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2416-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2416-80-0x0000000002300000-0x0000000002302000-memory.dmp

    Filesize

    8KB

  • memory/2416-5-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2416-3-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2416-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2416-29-0x00000000005F0000-0x00000000005F1000-memory.dmp

    Filesize

    4KB

  • memory/2416-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2416-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3016-178-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/3016-216-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3016-249-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3016-157-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/3016-167-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB