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Analysis

  • max time kernel
    118s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    16/12/2024, 23:03 UTC

General

  • Target

    275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe

  • Size

    90KB

  • MD5

    52ae87b7a44cd2a67ac69a6d84d8a6f0

  • SHA1

    528070cae5510dcf612f4e096ab849d50e43f962

  • SHA256

    275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4

  • SHA512

    d2c3ff046562550853b2076fef1f7a049208fc76610ee92980081fb9d9a8877107577ba921d143cbe901480511846cd87341be8006062b080ad54929fd021be0

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 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\275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe
    "C:\Users\Admin\AppData\Local\Temp\275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Users\Admin\AppData\Local\Temp\275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe
      "C:\Users\Admin\AppData\Local\Temp\275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2604
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\LMJSE.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1740
        • 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:908
      • 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:844
        • 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:2168
        • 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:1184

Network

  • flag-us
    DNS
    billabong4102.no-ip.biz
    csrsll.exe
    Remote address:
    8.8.8.8:53
    Request
    billabong4102.no-ip.biz
    IN A
    Response
No results found
  • 8.8.8.8:53
    billabong4102.no-ip.biz
    dns
    csrsll.exe
    69 B
    129 B
    1
    1

    DNS Request

    billabong4102.no-ip.biz

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    946adc17ca763b4f461a82c7f3915d62

    SHA1

    94bb37173017c28a612c85a81396228737bc272b

    SHA256

    ed8bd241457c7ab08d9120f6e71672d4bd773e58e5ce1f3348c4cf388f2ed51d

    SHA512

    f0a92b90e3cd3cc804c61d2d4e9174ec8ec92df70b9ecd74c5aba16b0d404adbe5234619390b15eaf47b01ff2d62594c43e6cab588154181312e3db27db84b46

  • memory/844-254-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/844-169-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/844-214-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/844-180-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/844-159-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1184-265-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1184-252-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2168-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-70-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2536-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2536-107-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2536-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2536-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2536-103-0x0000000001DB0000-0x0000000001E03000-memory.dmp

    Filesize

    332KB

  • memory/2536-101-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2536-16-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2536-15-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2536-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2536-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

    Filesize

    8KB

  • memory/2536-74-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2536-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2536-60-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2536-40-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2536-28-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2536-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2604-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2604-152-0x00000000025E0000-0x0000000002633000-memory.dmp

    Filesize

    332KB

  • memory/2604-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-150-0x00000000025E0000-0x0000000002633000-memory.dmp

    Filesize

    332KB

  • memory/2604-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-137-0x00000000025E0000-0x0000000002633000-memory.dmp

    Filesize

    332KB

  • memory/2604-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-151-0x00000000025E0000-0x0000000002633000-memory.dmp

    Filesize

    332KB

  • memory/2604-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-251-0x00000000025E0000-0x0000000002633000-memory.dmp

    Filesize

    332KB

  • memory/2604-256-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-250-0x00000000025E0000-0x0000000002633000-memory.dmp

    Filesize

    332KB

  • memory/2604-249-0x00000000025E0000-0x0000000002633000-memory.dmp

    Filesize

    332KB

  • memory/2604-248-0x00000000025E0000-0x0000000002633000-memory.dmp

    Filesize

    332KB

  • memory/2604-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

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