Analysis

  • max time kernel
    119s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 09:30

General

  • Target

    b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe

  • Size

    90KB

  • MD5

    912378483fe96e24a7f0d710b8ad1b10

  • SHA1

    3cfffcc537357e5f759193fd3e8d24404d17de97

  • SHA256

    b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bd

  • SHA512

    e3b6058db725ae167f0af369a47f49855941e437cd3c34427e8d46b93c49b8c312abf6b8a2d6f03d7fe623af66ccb0d5a9a34f32cfd4ab7ef467264c22445215

  • 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 Second Stage 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 22 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • 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\b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe
    "C:\Users\Admin\AppData\Local\Temp\b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2640
    • C:\Users\Admin\AppData\Local\Temp\b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe
      "C:\Users\Admin\AppData\Local\Temp\b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\MKOJR.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1032
        • 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:2688
      • 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:2032
        • 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:748
        • 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:1520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    6b9171775bb9003cc1af8998e443ba52

    SHA1

    3093e186c721147663792c54bbdc9b12faabbd09

    SHA256

    b0aae80a238687ceb8474aeaf3ad17ed3f661d5213a2a0e4631d4f46530f49f5

    SHA512

    e3e186f942f0485cca92e80c4bb93815c960fee126a183b9ea93e9c1ad591e4e73c1672a134291f8f74af16d80d77af02dc3f253c202295b2bc50d0fdb69034d

  • memory/748-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1520-263-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1520-253-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1900-147-0x0000000002B00000-0x0000000002B53000-memory.dmp

    Filesize

    332KB

  • memory/1900-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-152-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1900-134-0x0000000002AF0000-0x0000000002B43000-memory.dmp

    Filesize

    332KB

  • memory/1900-155-0x0000000002B00000-0x0000000002B53000-memory.dmp

    Filesize

    332KB

  • memory/1900-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-153-0x0000000002AF0000-0x0000000002B43000-memory.dmp

    Filesize

    332KB

  • memory/1900-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2032-159-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2032-149-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2032-255-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2032-168-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2032-216-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2032-221-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2032-179-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2640-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2640-73-0x0000000000460000-0x0000000000461000-memory.dmp

    Filesize

    4KB

  • memory/2640-28-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2640-18-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2640-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2640-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2640-81-0x0000000000480000-0x0000000000482000-memory.dmp

    Filesize

    8KB

  • memory/2640-63-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/2640-43-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2640-16-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2640-31-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2640-7-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2640-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2640-4-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB