Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 23:29

General

  • Target

    856b606aea0a4549a132eea7f2c50eaa6b328b0fbab80fb4d060ee1070a3e5c0.exe

  • Size

    90KB

  • MD5

    016bcfd3b079d5617d5f8ea7fa1a4916

  • SHA1

    22767adca11cd7e069172b69706073ad8e300b9f

  • SHA256

    856b606aea0a4549a132eea7f2c50eaa6b328b0fbab80fb4d060ee1070a3e5c0

  • SHA512

    a28910e465ee4ed6aca6886546bdd1e3cf520d676cfcc2b7720363669212d8cbabc573a42e37fcbd5d7674a4a0770360e16405bd8bd51134ddef9e1b9c5760bc

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDC: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 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\856b606aea0a4549a132eea7f2c50eaa6b328b0fbab80fb4d060ee1070a3e5c0.exe
    "C:\Users\Admin\AppData\Local\Temp\856b606aea0a4549a132eea7f2c50eaa6b328b0fbab80fb4d060ee1070a3e5c0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2488
    • C:\Users\Admin\AppData\Local\Temp\856b606aea0a4549a132eea7f2c50eaa6b328b0fbab80fb4d060ee1070a3e5c0.exe
      "C:\Users\Admin\AppData\Local\Temp\856b606aea0a4549a132eea7f2c50eaa6b328b0fbab80fb4d060ee1070a3e5c0.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2608
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\JFESI.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1512
        • 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:1588
      • 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:1528
        • 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:1068
        • 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:1020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    016bcfd3b079d5617d5f8ea7fa1a4916

    SHA1

    22767adca11cd7e069172b69706073ad8e300b9f

    SHA256

    856b606aea0a4549a132eea7f2c50eaa6b328b0fbab80fb4d060ee1070a3e5c0

    SHA512

    a28910e465ee4ed6aca6886546bdd1e3cf520d676cfcc2b7720363669212d8cbabc573a42e37fcbd5d7674a4a0770360e16405bd8bd51134ddef9e1b9c5760bc

  • memory/1020-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1020-256-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1068-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1528-253-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1528-218-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1528-183-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1528-172-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1528-162-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2488-157-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-3-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2488-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2488-15-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2488-87-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-81-0x0000000000490000-0x0000000000492000-memory.dmp

    Filesize

    8KB

  • memory/2488-80-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-72-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-70-0x0000000000470000-0x0000000000471000-memory.dmp

    Filesize

    4KB

  • memory/2488-60-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2488-40-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/2488-5-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2488-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-28-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2488-105-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2488-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2608-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2608-152-0x00000000027A0000-0x00000000027F3000-memory.dmp

    Filesize

    332KB

  • memory/2608-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-217-0x00000000027A0000-0x00000000027F3000-memory.dmp

    Filesize

    332KB

  • memory/2608-149-0x0000000002790000-0x00000000027E3000-memory.dmp

    Filesize

    332KB

  • memory/2608-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-158-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-159-0x0000000002790000-0x00000000027E3000-memory.dmp

    Filesize

    332KB

  • memory/2608-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-153-0x0000000002790000-0x00000000027E3000-memory.dmp

    Filesize

    332KB

  • memory/2608-150-0x00000000027A0000-0x00000000027F3000-memory.dmp

    Filesize

    332KB

  • memory/2608-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-151-0x00000000027A0000-0x00000000027F3000-memory.dmp

    Filesize

    332KB