Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 05:36

General

  • Target

    2d9d95f5cdd8bc06a7f95191f269bdddc2bca62caf5815256bc33d88c2ec5d48N.exe

  • Size

    90KB

  • MD5

    e199afa639910afe314b060f72d08100

  • SHA1

    46f63eb8d799580b61918cf4e49f9331c4d6b122

  • SHA256

    2d9d95f5cdd8bc06a7f95191f269bdddc2bca62caf5815256bc33d88c2ec5d48

  • SHA512

    42e7672b34de33fd0cb2c4fa3a7efad7f9f7abdf2fddf0022997a2adb8f9e23c91ac7744040ca89b0221e15b05ff9ad31355e08fd4564c8f79b7fc95a2b70e62

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDU:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3W

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 23 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\2d9d95f5cdd8bc06a7f95191f269bdddc2bca62caf5815256bc33d88c2ec5d48N.exe
    "C:\Users\Admin\AppData\Local\Temp\2d9d95f5cdd8bc06a7f95191f269bdddc2bca62caf5815256bc33d88c2ec5d48N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Users\Admin\AppData\Local\Temp\2d9d95f5cdd8bc06a7f95191f269bdddc2bca62caf5815256bc33d88c2ec5d48N.exe
      "C:\Users\Admin\AppData\Local\Temp\2d9d95f5cdd8bc06a7f95191f269bdddc2bca62caf5815256bc33d88c2ec5d48N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2644
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\WTCDO.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2884
        • 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:2964
      • 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:3000
        • 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:960
        • 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:2604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    605699d08669616cdb856e7089f68afc

    SHA1

    629394274545e66dfcee8222b5b802883f8d8ec9

    SHA256

    e22abd115ad434863a91322ecc74e627d26b9bd6e315d7015818a370002b2bc2

    SHA512

    136600706a78e404b11ad75bca21f448de3a5507c49845be5c59f33f98d3d34eb01e85dd044479ce318c9f6157f2373d78f1a9d388cc77d554fe120e0c848a19

  • memory/960-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1988-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1988-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1988-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1988-28-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB

  • memory/1988-5-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1988-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1988-40-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/1988-15-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/1988-3-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1988-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1988-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1988-80-0x0000000000470000-0x0000000000472000-memory.dmp

    Filesize

    8KB

  • memory/1988-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1988-71-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/1988-70-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1988-60-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2604-252-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2604-264-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2644-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-151-0x0000000003120000-0x0000000003173000-memory.dmp

    Filesize

    332KB

  • memory/2644-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-154-0x0000000003120000-0x0000000003173000-memory.dmp

    Filesize

    332KB

  • memory/2644-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-152-0x0000000003120000-0x0000000003173000-memory.dmp

    Filesize

    332KB

  • memory/2644-254-0x0000000003120000-0x0000000003173000-memory.dmp

    Filesize

    332KB

  • memory/2644-150-0x0000000003120000-0x0000000003173000-memory.dmp

    Filesize

    332KB

  • memory/2644-155-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-213-0x0000000003120000-0x0000000003173000-memory.dmp

    Filesize

    332KB

  • memory/2644-250-0x0000000003120000-0x0000000003173000-memory.dmp

    Filesize

    332KB

  • memory/2644-251-0x0000000003120000-0x0000000003173000-memory.dmp

    Filesize

    332KB

  • memory/2644-249-0x0000000003120000-0x0000000003173000-memory.dmp

    Filesize

    332KB

  • memory/2644-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3000-214-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3000-168-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/3000-179-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/3000-158-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/3000-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB