Analysis

  • max time kernel
    150s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    11-11-2024 21:03

General

  • Target

    b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe

  • Size

    90KB

  • MD5

    bc02996392c4e888ef2d40d484543058

  • SHA1

    e488c426f36a03925abf1abf22878af5c8246d27

  • SHA256

    b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c

  • SHA512

    551291b40eff9f617a4b5c7f658d196ae26bb786de1023b8ef61707e78430ac5d3778aabecc30ac4b90a16102c47c76deca4ab9e3d55e5b11812745c41027685

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDu: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 27 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\b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe
    "C:\Users\Admin\AppData\Local\Temp\b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Users\Admin\AppData\Local\Temp\b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe
      "C:\Users\Admin\AppData\Local\Temp\b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:568
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\BPOAJ.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2128
        • 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:1980
      • 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:3060
        • 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:948
        • 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:2388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    3e33845f000a515efd1348412e610081

    SHA1

    5cd239f60b8c6645245ab1d77433ae5a3472b8ec

    SHA256

    fc278d5989b973be4521e28dbef7677046c4dce7c4f47c1daab2ec05557b8818

    SHA512

    93a2ce9406140d6736384b178d90d40e474b1c60a48e37e5ea9c766ecccae1d14e99f7307762406f2016395bc32176ca31fc3f6f88577398dc2d59533d4691e7

  • memory/568-152-0x0000000002AF0000-0x0000000002B43000-memory.dmp

    Filesize

    332KB

  • memory/568-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-162-0x0000000002AF0000-0x0000000002B43000-memory.dmp

    Filesize

    332KB

  • memory/568-161-0x0000000002B00000-0x0000000002B53000-memory.dmp

    Filesize

    332KB

  • memory/568-159-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-153-0x0000000002B00000-0x0000000002B53000-memory.dmp

    Filesize

    332KB

  • memory/568-154-0x0000000002AF0000-0x0000000002B43000-memory.dmp

    Filesize

    332KB

  • memory/568-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-113-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-104-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/568-266-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/948-267-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2388-270-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2388-255-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3000-85-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-96-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-112-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-43-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/3000-63-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/3000-73-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/3000-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-83-0x00000000003F0000-0x00000000003F2000-memory.dmp

    Filesize

    8KB

  • memory/3000-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-86-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-4-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-87-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-31-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/3000-97-0x0000000000560000-0x00000000005B3000-memory.dmp

    Filesize

    332KB

  • memory/3000-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/3000-27-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/3000-17-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/3000-7-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/3000-28-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3060-222-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3060-188-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/3060-258-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3060-177-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/3060-167-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/3060-164-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3060-156-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB