Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    19-06-2024 23:11

General

  • Target

    71ba1ba32baf2174202673d726ba5f1b2c3755344b49e2cbc2afe51b1bd03f6a.exe

  • Size

    326KB

  • MD5

    3b7030abfa1284b2b42657b661b27622

  • SHA1

    461d9623ab32f9aa5b892a55f424e8a2e3da5822

  • SHA256

    71ba1ba32baf2174202673d726ba5f1b2c3755344b49e2cbc2afe51b1bd03f6a

  • SHA512

    8d7f7a77d13073ab29afb8cb5d90ce579ce41c534df0687cd2095d507c159c9ebae4e4d51b84a5a6ca1d9f8a43abd9d04fc301e9356a953d6a00d5dfa93b52ca

  • SSDEEP

    3072:Ie2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:IsxD5cwohO+O1sVG0/pZ6iPC8

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Detects Windows executables referencing non-Windows User-Agents 1 IoCs
  • ModiLoader Second Stage 1 IoCs
  • UPX dump on OEP (original entry point) 20 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 21 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).

  • 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\71ba1ba32baf2174202673d726ba5f1b2c3755344b49e2cbc2afe51b1bd03f6a.exe
    "C:\Users\Admin\AppData\Local\Temp\71ba1ba32baf2174202673d726ba5f1b2c3755344b49e2cbc2afe51b1bd03f6a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Users\Admin\AppData\Local\Temp\71ba1ba32baf2174202673d726ba5f1b2c3755344b49e2cbc2afe51b1bd03f6a.exe
      "C:\Users\Admin\AppData\Local\Temp\71ba1ba32baf2174202673d726ba5f1b2c3755344b49e2cbc2afe51b1bd03f6a.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3008
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\FTSEM.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1640
        • 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
          PID:1868
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2176
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1492
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:640

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\FTSEM.bat
    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    326KB

    MD5

    72b6345c5f072957346ffd033734fc26

    SHA1

    df2881931f2bc8f07fce2d6fddd35b1439db1992

    SHA256

    eaee9f97613645a171da34360405711f66bd85bcc81ee2fff635231c3e3d73d4

    SHA512

    f8ad04fbddd2f74e41bf37efe8d777a8d12f26dc117b9ab560ee56ac6a745229fc96c05bca5d53dad5217dffa5d1fcce17ac3b66927e901a8f64bbcaf074fe4f

  • memory/640-247-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/640-260-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1492-259-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1744-78-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1744-39-0x0000000000290000-0x0000000000291000-memory.dmp
    Filesize

    4KB

  • memory/1744-60-0x00000000002D0000-0x00000000002D1000-memory.dmp
    Filesize

    4KB

  • memory/1744-54-0x0000000000404000-0x0000000000405000-memory.dmp
    Filesize

    4KB

  • memory/1744-82-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1744-92-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1744-89-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1744-81-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1744-79-0x0000000000390000-0x0000000000392000-memory.dmp
    Filesize

    8KB

  • memory/1744-3-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/1744-93-0x00000000026D0000-0x0000000002724000-memory.dmp
    Filesize

    336KB

  • memory/1744-70-0x0000000000370000-0x0000000000371000-memory.dmp
    Filesize

    4KB

  • memory/1744-103-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1744-27-0x0000000000270000-0x0000000000271000-memory.dmp
    Filesize

    4KB

  • memory/1744-15-0x0000000000250000-0x0000000000251000-memory.dmp
    Filesize

    4KB

  • memory/1744-0-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1744-5-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/2176-211-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/2176-177-0x0000000000290000-0x0000000000291000-memory.dmp
    Filesize

    4KB

  • memory/2176-185-0x00000000002B0000-0x00000000002B1000-memory.dmp
    Filesize

    4KB

  • memory/2176-248-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/2176-166-0x00000000001E0000-0x00000000001E1000-memory.dmp
    Filesize

    4KB

  • memory/2176-156-0x00000000001C0000-0x00000000001C1000-memory.dmp
    Filesize

    4KB

  • memory/3008-96-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3008-150-0x0000000003450000-0x00000000034A4000-memory.dmp
    Filesize

    336KB

  • memory/3008-149-0x0000000003450000-0x00000000034A4000-memory.dmp
    Filesize

    336KB

  • memory/3008-148-0x0000000003450000-0x00000000034A4000-memory.dmp
    Filesize

    336KB

  • memory/3008-151-0x0000000003450000-0x00000000034A4000-memory.dmp
    Filesize

    336KB

  • memory/3008-134-0x0000000003450000-0x00000000034A4000-memory.dmp
    Filesize

    336KB

  • memory/3008-105-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3008-106-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3008-107-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3008-94-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3008-98-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3008-254-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3008-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/3008-102-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB