Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 05:56

General

  • Target

    f558fa7a9519ee30a5c0c17911daca00f1e1e2d8179a2653f84e8faaf6a9b99f.exe

  • Size

    90KB

  • MD5

    7cdb8148385fba1ada9241e9a293313d

  • SHA1

    0f372c5bcc7c6d5578d9a59f9c874b4fc82214b3

  • SHA256

    f558fa7a9519ee30a5c0c17911daca00f1e1e2d8179a2653f84e8faaf6a9b99f

  • SHA512

    eef78c4285cdc55c0586e9ccde39a3d6fd25f225531224a407fd636849f35fe3590c0191809b926299da6af3f2d8a0cb29c450c36ab2d1c0d5dcbcb694f54573

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDz:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE39

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 22 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\f558fa7a9519ee30a5c0c17911daca00f1e1e2d8179a2653f84e8faaf6a9b99f.exe
    "C:\Users\Admin\AppData\Local\Temp\f558fa7a9519ee30a5c0c17911daca00f1e1e2d8179a2653f84e8faaf6a9b99f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Users\Admin\AppData\Local\Temp\f558fa7a9519ee30a5c0c17911daca00f1e1e2d8179a2653f84e8faaf6a9b99f.exe
      "C:\Users\Admin\AppData\Local\Temp\f558fa7a9519ee30a5c0c17911daca00f1e1e2d8179a2653f84e8faaf6a9b99f.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2772
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\KJXEN.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2608
        • 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:1844
      • 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:560
        • 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:2304
        • 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:1596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    d9403b5778e43e0199163fd59ce4b19c

    SHA1

    905853daf55e01d8a81b87a43253aa971ecdf271

    SHA256

    023fc45e5d4e5d2a47e7456422d7709fbc2f4bd1d5bdeb44b7181ab1373294e0

    SHA512

    194b3dfbfbf9afe46dad13dba973e4030dacb916dd2cd80cbbc62feea96d352aee5e39a21b4182d49923a56b3a0dd3f7cd04b1d87aec22843a5f093c977369d8

  • memory/560-253-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/560-174-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/560-180-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/560-168-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/560-158-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1596-265-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1596-251-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2292-87-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2292-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2292-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2292-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2292-80-0x0000000001C20000-0x0000000001C22000-memory.dmp

    Filesize

    8KB

  • memory/2292-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2292-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2292-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2292-61-0x0000000001BE0000-0x0000000001BE1000-memory.dmp

    Filesize

    4KB

  • memory/2292-41-0x0000000000600000-0x0000000000601000-memory.dmp

    Filesize

    4KB

  • memory/2292-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2292-13-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2292-16-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2292-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2292-29-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2292-71-0x0000000001C00000-0x0000000001C01000-memory.dmp

    Filesize

    4KB

  • memory/2304-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2772-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2772-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2772-149-0x0000000002730000-0x0000000002783000-memory.dmp

    Filesize

    332KB

  • memory/2772-148-0x0000000001EF0000-0x0000000001F43000-memory.dmp

    Filesize

    332KB

  • memory/2772-155-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2772-151-0x0000000002730000-0x0000000002783000-memory.dmp

    Filesize

    332KB

  • memory/2772-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2772-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2772-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2772-150-0x0000000002730000-0x0000000002783000-memory.dmp

    Filesize

    332KB

  • memory/2772-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2772-256-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2772-247-0x0000000002730000-0x0000000002783000-memory.dmp

    Filesize

    332KB

  • memory/2772-245-0x0000000002730000-0x0000000002783000-memory.dmp

    Filesize

    332KB

  • memory/2772-244-0x0000000002730000-0x0000000002783000-memory.dmp

    Filesize

    332KB

  • memory/2772-242-0x0000000001EF0000-0x0000000001F43000-memory.dmp

    Filesize

    332KB

  • memory/2772-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2772-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB