Analysis

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

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 07:32

General

  • Target

    3297d2c79db9ea9be354b2dc46a9b3c9e9836261a0003affad5b8fd452fedc90N.exe

  • Size

    90KB

  • MD5

    7e0d7933dc94c66f37ea054a95284be0

  • SHA1

    98314d7b207a7ef98d75fb8513a554af68f1b98e

  • SHA256

    3297d2c79db9ea9be354b2dc46a9b3c9e9836261a0003affad5b8fd452fedc90

  • SHA512

    02d2322105a500fdf1caed293fd49f846b119acc62caedb11e04294f879800b3cc18f2caaed99d21905a1f643cb4aa35e34d386e70fd2d3952b3620f335b4153

  • 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 26 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\3297d2c79db9ea9be354b2dc46a9b3c9e9836261a0003affad5b8fd452fedc90N.exe
    "C:\Users\Admin\AppData\Local\Temp\3297d2c79db9ea9be354b2dc46a9b3c9e9836261a0003affad5b8fd452fedc90N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Users\Admin\AppData\Local\Temp\3297d2c79db9ea9be354b2dc46a9b3c9e9836261a0003affad5b8fd452fedc90N.exe
      "C:\Users\Admin\AppData\Local\Temp\3297d2c79db9ea9be354b2dc46a9b3c9e9836261a0003affad5b8fd452fedc90N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1476
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\RFIEC.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2680
        • 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:2336
      • 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:1460
        • 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:1900
        • 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:876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    c85c8df755994474320b56ccec59b77a

    SHA1

    2850a0048b94eefd7e6481f9a76f85d29050bece

    SHA256

    7092aacde26432a2ebea656fc32e43dda9cdf0d7a03ab2cc382b0ac736967f9d

    SHA512

    9a6c8c31e89fd4dd10aff1886b51f5f4e8f2dc5ff2f5dc34f748fbd15724659aca74a9c32b58870912b7b10418e6b567631d9d9c9027f1691da23aa5afb87053

  • memory/876-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/876-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1460-258-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1460-169-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/1460-233-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1460-159-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/1476-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1476-218-0x0000000003210000-0x0000000003263000-memory.dmp

    Filesize

    332KB

  • memory/1476-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1476-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1476-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1476-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1476-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1476-214-0x0000000003200000-0x0000000003253000-memory.dmp

    Filesize

    332KB

  • memory/1476-217-0x0000000003210000-0x0000000003263000-memory.dmp

    Filesize

    332KB

  • memory/1476-248-0x0000000003200000-0x0000000003253000-memory.dmp

    Filesize

    332KB

  • memory/1476-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1476-149-0x0000000003200000-0x0000000003253000-memory.dmp

    Filesize

    332KB

  • memory/1476-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1476-150-0x0000000003210000-0x0000000003263000-memory.dmp

    Filesize

    332KB

  • memory/1476-151-0x0000000003210000-0x0000000003263000-memory.dmp

    Filesize

    332KB

  • memory/1476-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1476-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1476-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1476-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1476-152-0x0000000003210000-0x0000000003263000-memory.dmp

    Filesize

    332KB

  • memory/1900-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2552-61-0x0000000000840000-0x0000000000841000-memory.dmp

    Filesize

    4KB

  • memory/2552-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-29-0x00000000007A0000-0x00000000007A1000-memory.dmp

    Filesize

    4KB

  • memory/2552-86-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-41-0x00000000007C0000-0x00000000007C1000-memory.dmp

    Filesize

    4KB

  • memory/2552-71-0x0000000000860000-0x0000000000861000-memory.dmp

    Filesize

    4KB

  • memory/2552-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-80-0x0000000000880000-0x0000000000882000-memory.dmp

    Filesize

    8KB

  • memory/2552-93-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2552-5-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2552-15-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2552-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2552-3-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB