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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
    06/12/2024, 23:55

General

  • Target

    27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe

  • Size

    300KB

  • MD5

    1706bf3181f5d5d439cafdc95b41b719

  • SHA1

    e52b26611e3944de0580b27aad43adddebec7dc6

  • SHA256

    27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4

  • SHA512

    093def6fc62c301e287192bd71c4e60ee8788077dbd8c5e26a8c6b47a2c3eb1ceee307fb96897982d2a04214b00101ccb125d0440e4f148e4d5d29729be73ea2

  • SSDEEP

    3072:Ue2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38G+:UsxD5cwohO+O1sVG0/pZ6iPC8o

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 12 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\27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe
    "C:\Users\Admin\AppData\Local\Temp\27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2260
    • C:\Users\Admin\AppData\Local\Temp\27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe
      "C:\Users\Admin\AppData\Local\Temp\27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2812
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\FBPVN.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2608
        • 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:584
      • 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:1816
        • 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:2956
        • 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:2220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    300KB

    MD5

    9723abe1f734a3cdad315c6e0293fbb7

    SHA1

    f3a18e7a31e15bb42f10e251d5acedd068273987

    SHA256

    e532dc9f1310d4360aeedd48a2cf0cc750ace6c40c4e5eb621ad8bd3c65517f9

    SHA512

    3d976516a8b1b9b87b122f82f1ed70790e603d63411206484756bee5df47aa551cb1dde94e656b753e6f0eea89a85a4e4df2e7fa4f5bf574a6ee04f409295b17

  • memory/1816-171-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1816-159-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/1816-149-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2220-253-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2220-243-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2260-82-0x00000000003E0000-0x00000000003E2000-memory.dmp

    Filesize

    8KB

  • memory/2260-0-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2260-69-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB

  • memory/2260-59-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2260-39-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2260-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2260-79-0x00000000003D0000-0x00000000003D2000-memory.dmp

    Filesize

    8KB

  • memory/2260-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2260-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2260-27-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2260-90-0x0000000000870000-0x0000000000872000-memory.dmp

    Filesize

    8KB

  • memory/2260-85-0x00000000003F0000-0x00000000003F2000-memory.dmp

    Filesize

    8KB

  • memory/2812-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2812-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-228-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-246-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2956-250-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB