Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 06:25

General

  • Target

    796d286a8f4073ed67eff3a0ad3b94e0ecef4e354b7a0d26424581adda87b124N.exe

  • Size

    90KB

  • MD5

    970adb5518541e1652bd1514bd1092f0

  • SHA1

    658a7d0fc0df47516b752239792b552dbe26fa17

  • SHA256

    796d286a8f4073ed67eff3a0ad3b94e0ecef4e354b7a0d26424581adda87b124

  • SHA512

    e12b7697fd8bd59141d0f2cb107789fb778390c68e488006091a5603a37813e1fc6eeb3418ea3874d4e92c71a0d11586aadc81b293446fe4b827540019bf041c

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDS:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3c

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • ModiLoader Second Stage 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 19 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 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\796d286a8f4073ed67eff3a0ad3b94e0ecef4e354b7a0d26424581adda87b124N.exe
    "C:\Users\Admin\AppData\Local\Temp\796d286a8f4073ed67eff3a0ad3b94e0ecef4e354b7a0d26424581adda87b124N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3188
    • C:\Users\Admin\AppData\Local\Temp\796d286a8f4073ed67eff3a0ad3b94e0ecef4e354b7a0d26424581adda87b124N.exe
      "C:\Users\Admin\AppData\Local\Temp\796d286a8f4073ed67eff3a0ad3b94e0ecef4e354b7a0d26424581adda87b124N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2448
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RFGBC.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2528
        • 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:2956
      • 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:320
        • 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:2344
        • 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:1348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RFGBC.txt

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    9b654ef1cc2a8d3252028bae39b275b9

    SHA1

    1bc315d89000c6d439aa48c3a1f98281fff23916

    SHA256

    022216d596bd6707002c5f244a13501568d9e06359eacc065cba085eb4f90051

    SHA512

    b9f04316d118309372aa9e2369fe72721731a15dbd0862945e8b0c19a58fa4c92f22f3cf697de60118ee16282da8bc86514b6bd8270fe3cbe4631bd3c5931ccf

  • memory/320-54-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/320-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/320-40-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1348-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1348-62-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1348-50-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1348-45-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1348-59-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1348-56-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2344-61-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2448-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2448-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2448-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2448-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2448-39-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2448-57-0x0000000000410000-0x00000000004D9000-memory.dmp

    Filesize

    804KB

  • memory/3188-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

    Filesize

    8KB

  • memory/3188-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3188-3-0x0000000002A20000-0x0000000002A22000-memory.dmp

    Filesize

    8KB

  • memory/3188-4-0x0000000002A30000-0x0000000002A32000-memory.dmp

    Filesize

    8KB

  • memory/3188-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3188-12-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB