Analysis

  • max time kernel
    119s
  • max time network
    29s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2024 21:37

General

  • Target

    f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe

  • Size

    90KB

  • MD5

    1bce29dea3eb978519f982206623ee70

  • SHA1

    6deea386e20906636c6d3b3267f209a2e6c719b0

  • SHA256

    f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367

  • SHA512

    803ad4d310dbe44d03f7bdc73c518f69e072ece6af7ca7ad2d4115977d0cce0d9357d8d1c99ec271d34bdd0dc43d51bb0839cf8b22add6dbe6ca1b7a2dc2ec39

  • 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 28 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 63 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe
    "C:\Users\Admin\AppData\Local\Temp\f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2592
    • C:\Users\Admin\AppData\Local\Temp\f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe
      "C:\Users\Admin\AppData\Local\Temp\f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1660
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\NWNBC.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3056
        • 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:1968
      • 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:2836
        • 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:760
        • 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:236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    dd9c89501d5f6d0a767508a8d2795433

    SHA1

    2149240492c8c3ef81968bb5fd89fbea3fd783d1

    SHA256

    3fe73a707baaa0249fb56c670c21f7276ce20e4cfafbbf94aed311de02e4de65

    SHA512

    130b4818e0c3facb229bf582723396370247583931282e4d960416ff1305ba8ff860e70d6c10ffc603c514b671e18f7dc37cc9a619218811b1253a529989e720

  • memory/236-270-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/236-258-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/760-267-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/760-250-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1660-158-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1660-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1660-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1660-227-0x00000000025B0000-0x0000000002603000-memory.dmp

    Filesize

    332KB

  • memory/1660-160-0x00000000025B0000-0x0000000002603000-memory.dmp

    Filesize

    332KB

  • memory/1660-154-0x00000000025B0000-0x0000000002603000-memory.dmp

    Filesize

    332KB

  • memory/1660-149-0x00000000025B0000-0x0000000002603000-memory.dmp

    Filesize

    332KB

  • memory/1660-152-0x00000000025B0000-0x0000000002603000-memory.dmp

    Filesize

    332KB

  • memory/1660-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1660-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1660-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1660-101-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1660-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1660-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1660-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2592-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2592-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2592-109-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2592-106-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2592-28-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2592-31-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2592-85-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2592-43-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2592-17-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2592-63-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

  • memory/2592-4-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2592-73-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/2592-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2592-111-0x0000000001D10000-0x0000000001D63000-memory.dmp

    Filesize

    332KB

  • memory/2592-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2592-7-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2592-84-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2592-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2592-82-0x00000000003B0000-0x00000000003B2000-memory.dmp

    Filesize

    8KB

  • memory/2836-229-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2836-173-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2836-184-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2836-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2836-230-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2836-163-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2836-155-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB