Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    23-04-2024 00:30

General

  • Target

    875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe

  • Size

    326KB

  • MD5

    7b54b7ea41b21bd6ddb6d2f20a52d580

  • SHA1

    3cd9e100e3432ce563d4521a28a0ab49190c734a

  • SHA256

    875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f

  • SHA512

    6ffd14ac71bd4172de2fb20124d3cb1e9a730a7bc18a7d5e90ea192797055674e0fdf33d5d2a2de1955be7917afc6646c38d4df5a56e47cca0f8dca91d946a67

  • SSDEEP

    3072:h0e2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:h0sxD5cwohO+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 2 IoCs
  • ModiLoader Second Stage 2 IoCs
  • UPX dump on OEP (original entry point) 25 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 26 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\875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe
    "C:\Users\Admin\AppData\Local\Temp\875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Users\Admin\AppData\Local\Temp\875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe
      "C:\Users\Admin\AppData\Local\Temp\875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2484
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\TQPTG.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1824
        • 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:1636
      • 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:1432
        • 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:1808
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:2180

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\TQPTG.bat
    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    326KB

    MD5

    6c3da1fc785fddc104898da88210dcf4

    SHA1

    473ed4259445023e84d657f62ce276524e42d534

    SHA256

    97985582f7ea56a6962bcf48c5ec1a6a154903feeffea5689351257381f8b478

    SHA512

    9bbe98b887d9bd58c945eb6a531fcbbb4eacf6549c860306993467864f7bfe9756a2e6ca0f7e5946a5fe72540d2c48fda97bde792e9bd501f6487fce72c9fe67

  • memory/1432-242-0x00000000003D0000-0x00000000003D2000-memory.dmp
    Filesize

    8KB

  • memory/1432-240-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1432-150-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1432-277-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1432-266-0x00000000004D0000-0x00000000004D2000-memory.dmp
    Filesize

    8KB

  • memory/1432-247-0x0000000000460000-0x0000000000462000-memory.dmp
    Filesize

    8KB

  • memory/1432-245-0x00000000003F0000-0x00000000003F2000-memory.dmp
    Filesize

    8KB

  • memory/1432-243-0x00000000003E0000-0x00000000003E2000-memory.dmp
    Filesize

    8KB

  • memory/1432-154-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/1432-164-0x0000000000250000-0x0000000000251000-memory.dmp
    Filesize

    4KB

  • memory/1432-199-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1432-189-0x0000000000310000-0x0000000000311000-memory.dmp
    Filesize

    4KB

  • memory/1432-177-0x00000000002F0000-0x00000000002F1000-memory.dmp
    Filesize

    4KB

  • memory/1432-173-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1808-289-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2180-284-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/2180-279-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/2180-292-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/2484-109-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2484-90-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2484-106-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2484-105-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2484-283-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2484-259-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2484-146-0x0000000002470000-0x00000000024C4000-memory.dmp
    Filesize

    336KB

  • memory/2484-101-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2484-148-0x0000000002480000-0x00000000024D4000-memory.dmp
    Filesize

    336KB

  • memory/2484-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2484-97-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2484-94-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2484-103-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3028-91-0x00000000003B0000-0x00000000003B2000-memory.dmp
    Filesize

    8KB

  • memory/3028-60-0x0000000000350000-0x0000000000351000-memory.dmp
    Filesize

    4KB

  • memory/3028-95-0x00000000004A0000-0x00000000004F4000-memory.dmp
    Filesize

    336KB

  • memory/3028-81-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/3028-79-0x00000000003A0000-0x00000000003A2000-memory.dmp
    Filesize

    8KB

  • memory/3028-76-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/3028-70-0x0000000000370000-0x0000000000371000-memory.dmp
    Filesize

    4KB

  • memory/3028-93-0x00000000003D0000-0x00000000003D2000-memory.dmp
    Filesize

    8KB

  • memory/3028-104-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/3028-53-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/3028-39-0x0000000000310000-0x0000000000311000-memory.dmp
    Filesize

    4KB

  • memory/3028-27-0x0000000000270000-0x0000000000271000-memory.dmp
    Filesize

    4KB

  • memory/3028-0-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/3028-15-0x0000000000250000-0x0000000000251000-memory.dmp
    Filesize

    4KB

  • memory/3028-5-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/3028-3-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB