Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2024, 00:10

General

  • Target

    5c47d75ef4b83402bbcb94f4b26eef03d622a45ec8b1fbb70bb2313c4e8f6a06N.exe

  • Size

    90KB

  • MD5

    271bc05151d39a55b79e153034f9e6f0

  • SHA1

    9a33ee456e5b388e1dc6f0fa132ac0d5afdf3a96

  • SHA256

    5c47d75ef4b83402bbcb94f4b26eef03d622a45ec8b1fbb70bb2313c4e8f6a06

  • SHA512

    03bf47200dc776d93719426ffc777336452fb137fe087b41067680775699872b512501ed94309c0d2bc003c7b9faa909520b091c663ffb2a98f3fba189ef6487

  • 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 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\5c47d75ef4b83402bbcb94f4b26eef03d622a45ec8b1fbb70bb2313c4e8f6a06N.exe
    "C:\Users\Admin\AppData\Local\Temp\5c47d75ef4b83402bbcb94f4b26eef03d622a45ec8b1fbb70bb2313c4e8f6a06N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Users\Admin\AppData\Local\Temp\5c47d75ef4b83402bbcb94f4b26eef03d622a45ec8b1fbb70bb2313c4e8f6a06N.exe
      "C:\Users\Admin\AppData\Local\Temp\5c47d75ef4b83402bbcb94f4b26eef03d622a45ec8b1fbb70bb2313c4e8f6a06N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2588
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\COPKJ.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2292
        • 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:2284
      • 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:2076
        • 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:1716
        • 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:568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    57284e4a640c1c2d8720cf2682943953

    SHA1

    01b595c24e9cbd0f37fd834216ea56c415ca4b77

    SHA256

    13d5321dd5777735fb75669968681a4289fef07971816cca51b6dabc2f6b30ea

    SHA512

    2adaaf242005dd3d6e675080005ce7ba3cf494a1d5dc41e1fe92179715ac28492579c0f676f1791c7b89e179cc4486677c8b6db40c15876920eb42045426c20f

  • memory/568-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/568-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1716-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2076-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2076-169-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/2076-180-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2076-215-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2076-159-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2588-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2588-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2588-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2588-246-0x0000000003190000-0x00000000031E3000-memory.dmp

    Filesize

    332KB

  • memory/2588-247-0x0000000003190000-0x00000000031E3000-memory.dmp

    Filesize

    332KB

  • memory/2588-248-0x0000000003190000-0x00000000031E3000-memory.dmp

    Filesize

    332KB

  • memory/2588-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2588-214-0x0000000003190000-0x00000000031E3000-memory.dmp

    Filesize

    332KB

  • memory/2588-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2588-147-0x0000000003190000-0x00000000031E3000-memory.dmp

    Filesize

    332KB

  • memory/2588-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2588-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2588-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2588-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2588-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2588-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2588-151-0x0000000003190000-0x00000000031E3000-memory.dmp

    Filesize

    332KB

  • memory/2588-150-0x0000000003190000-0x00000000031E3000-memory.dmp

    Filesize

    332KB

  • memory/2588-149-0x0000000003190000-0x00000000031E3000-memory.dmp

    Filesize

    332KB

  • memory/2588-148-0x0000000003190000-0x00000000031E3000-memory.dmp

    Filesize

    332KB

  • memory/2644-28-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/2644-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2644-40-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/2644-155-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2644-58-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2644-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2644-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2644-71-0x00000000005F0000-0x00000000005F1000-memory.dmp

    Filesize

    4KB

  • memory/2644-90-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2644-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2644-80-0x0000000001CA0000-0x0000000001CA2000-memory.dmp

    Filesize

    8KB

  • memory/2644-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2644-5-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2644-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2644-15-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2644-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2644-3-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB