Analysis

  • max time kernel
    119s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 10:49

General

  • Target

    bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe

  • Size

    90KB

  • MD5

    927cb4476dd6fa9ece5ef66e5a9f501d

  • SHA1

    149988ca7372021db94261503a1531c57165fbca

  • SHA256

    bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73

  • SHA512

    ef2e5323ac3d2ebaf82ea3bc4d63cc6888f892f5f3223bd306211026b6cf8b66e07c399abc439a0cdeac64143ecca12e9c4b3c5c7d4dba200e9f060ef71e1873

  • 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 2 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\bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe
    "C:\Users\Admin\AppData\Local\Temp\bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3048
    • C:\Users\Admin\AppData\Local\Temp\bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe
      "C:\Users\Admin\AppData\Local\Temp\bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2620
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\TCOSP.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1908
        • 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:1032
      • 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:1496
        • 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:1368
        • 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:840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    89e9a6b7ff835bf835dbd9ad1e5e9b5c

    SHA1

    93951e0485bf70d9cbde6e1f08ea7e21d7d0dbec

    SHA256

    992228b967b1f4cdf2111d9b520f943c7b244de347b5fa426d2ee6035d5e0e54

    SHA512

    75c16a3445d0b4b18b30a1df03a460e5444c8fb3180aedee424160782230e241fbd0bb2e3504dde1014e0dfb4712e8ec87df2ad03860639b0c619b0303f4812b

  • memory/840-262-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/840-253-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1368-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1496-254-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1496-169-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/1496-180-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1496-214-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1496-159-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2620-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-251-0x0000000002850000-0x00000000028A3000-memory.dmp

    Filesize

    332KB

  • memory/2620-252-0x0000000002850000-0x00000000028A3000-memory.dmp

    Filesize

    332KB

  • memory/2620-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2620-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-149-0x0000000002850000-0x00000000028A3000-memory.dmp

    Filesize

    332KB

  • memory/2620-136-0x0000000002850000-0x00000000028A3000-memory.dmp

    Filesize

    332KB

  • memory/2620-150-0x0000000002850000-0x00000000028A3000-memory.dmp

    Filesize

    332KB

  • memory/2620-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-151-0x0000000002850000-0x00000000028A3000-memory.dmp

    Filesize

    332KB

  • memory/2620-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3048-31-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3048-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3048-28-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/3048-41-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/3048-155-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3048-61-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/3048-71-0x00000000005F0000-0x00000000005F1000-memory.dmp

    Filesize

    4KB

  • memory/3048-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3048-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3048-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3048-80-0x0000000000610000-0x0000000000612000-memory.dmp

    Filesize

    8KB

  • memory/3048-5-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/3048-15-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/3048-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3048-85-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3048-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/3048-3-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB