Resubmissions

03-07-2024 16:04

240703-thygmaycpc 10

01-07-2024 18:12

240701-ws6xvswbkj 10

01-07-2024 18:03

240701-wm5sls1gka 10

01-07-2024 18:03

240701-wm39sa1gjf 10

01-07-2024 18:03

240701-wm2e7avhkj 10

01-07-2024 18:03

240701-wmzxcs1fre 10

01-07-2024 18:02

240701-wmzats1frc 10

01-07-2024 18:02

240701-wmvbwa1fqh 10

22-11-2023 17:02

231122-vkac9adg64 10

Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    03-07-2024 16:04

General

  • Target

    42f972925508a82236e8533567487761.exe

  • Size

    3.7MB

  • MD5

    9d2a888ca79e1ff3820882ea1d88d574

  • SHA1

    112c38d80bf2c0d48256249bbabe906b834b1f66

  • SHA256

    8b5b38085f12d51393ed5a481a554074d3c482d53ecd917f2f5dffdf3d2ee138

  • SHA512

    17a9f74ecf9f118ed0252fa0bc6ce0f9758a4dc75f238cae304def9c37cd94623818dd4aef38826642ff9e549b7e6047318f8bf6de7edff2d61a298d0bf5c840

  • SSDEEP

    98304:Nn1CVf+y/EFc7DvOUxlpq2JdnQ+O2M7hlXKUmkbtT2TMI:A/EqaUFqItO2M7PXKUmkbtT2T

Malware Config

Extracted

Family

babylonrat

C2

sandyclark255.hopto.org

Extracted

Family

asyncrat

Version

0.5.6A

C2

sandyclark255.hopto.org:6606

sandyclark255.hopto.org:8808

sandyclark255.hopto.org:7707

Mutex

adweqsds56332

Attributes
  • delay

    5

  • install

    true

  • install_file

    prndrvest.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Babylon RAT

    Babylon RAT is remote access trojan written in C++.

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Async RAT payload 2 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 14 IoCs
  • Loads dropped DLL 13 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42f972925508a82236e8533567487761.exe
    "C:\Users\Admin\AppData\Local\Temp\42f972925508a82236e8533567487761.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2348
    • C:\Users\Admin\AppData\Local\Temp\JQT2htYa2GAVulhF.exe
      "C:\Users\Admin\AppData\Local\Temp\JQT2htYa2GAVulhF.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1460
      • C:\Windows\svehosts.exe
        "C:\Windows\svehosts.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        PID:912
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Windows\svehosts.exe" "svehosts.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:2032
    • C:\Users\Admin\AppData\Local\Temp\b5qj77YIVLG5pnCJ.exe
      "C:\Users\Admin\AppData\Local\Temp\b5qj77YIVLG5pnCJ.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2876
      • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
        "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2980
        • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
          "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe" 2980
          4⤵
          • Modifies WinLogon for persistence
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2324
          • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
            "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:2576
    • C:\Users\Admin\AppData\Local\Temp\xn18M6jKUF2ap7OJ.exe
      "C:\Users\Admin\AppData\Local\Temp\xn18M6jKUF2ap7OJ.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3064
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "'prndrvest"' /tr "'C:\Users\Admin\AppData\Roaming\prndrvest.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1924
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpDD54.tmp.bat""
        3⤵
        • Loads dropped DLL
        PID:1984
        • C:\Windows\SysWOW64\timeout.exe
          timeout 3
          4⤵
          • Delays execution with timeout.exe
          PID:624
        • C:\Users\Admin\AppData\Roaming\prndrvest.exe
          "C:\Users\Admin\AppData\Roaming\prndrvest.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:916
    • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
      "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
      2⤵
      • Executes dropped EXE
      PID:2760
    • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
      "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
      2⤵
      • Executes dropped EXE
      PID:2660
    • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
      "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
      2⤵
      • Executes dropped EXE
      PID:2632
    • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
      "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
      2⤵
      • Executes dropped EXE
      PID:2120
    • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
      "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
      2⤵
      • Executes dropped EXE
      PID:2864
    • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
      "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
      2⤵
      • Executes dropped EXE
      PID:2996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpDD54.tmp.bat

    Filesize

    153B

    MD5

    9e0417d7e4f6833f4a8c60d2f673a589

    SHA1

    4d6ed8dcafc14a430eebc8e6f8c888a0eb90ac10

    SHA256

    ee83c38107dcd26d013ade9efd21248e83b742e3f140a4cfbda5e94c38f970f8

    SHA512

    246f238069086307e3f6481087e9f249e77d82e9252335b4d475119fa97fc03629c368dd80b537c6c789edf3ed255ddd0b6e8a6bb5d0fbf46f83095652214a08

  • C:\Users\Admin\AppData\Local\Temp\xn18M6jKUF2ap7OJ.exe

    Filesize

    376KB

    MD5

    590acb5fa6b5c3001ebce3d67242aac4

    SHA1

    5df39906dc4e60f01b95783fc55af6128402d611

    SHA256

    7bf9b7b25cf1671e5640f8eeac149f9a4e8c9f6c63415f4bd61bccb10ddf8509

    SHA512

    4ac518140ee666491132525853f2843357d622fe351e59cca7ce3b054d665f77ad8987adddd601e6b1afe6903222d77cf3c41a5aa69e8caf0dcdc7656a43e9ba

  • C:\Users\Admin\AppData\Roaming\prndrvest.exe

    Filesize

    48.3MB

    MD5

    1ba41bd48d8cd812f0d31cb5fca6df1a

    SHA1

    5cc1db13d2f844b164049d2a5d71d2629e3440d7

    SHA256

    bcf418e0873abed2aa286b32ba026a3fbe55c559742eb4a9e77355e639717472

    SHA512

    322962ba30c3f231ff6c451e4df5c5b8a471221678e9bf8ec60732dcc09054cf3007a6bcf27ee86e4558adbdf2ff086f29309a75696f0d5a5ab26326c9aad3e5

  • \Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe

    Filesize

    3.7MB

    MD5

    9d2a888ca79e1ff3820882ea1d88d574

    SHA1

    112c38d80bf2c0d48256249bbabe906b834b1f66

    SHA256

    8b5b38085f12d51393ed5a481a554074d3c482d53ecd917f2f5dffdf3d2ee138

    SHA512

    17a9f74ecf9f118ed0252fa0bc6ce0f9758a4dc75f238cae304def9c37cd94623818dd4aef38826642ff9e549b7e6047318f8bf6de7edff2d61a298d0bf5c840

  • \Users\Admin\AppData\Local\Temp\JQT2htYa2GAVulhF.exe

    Filesize

    472KB

    MD5

    2819e45588024ba76f248a39d3e232ba

    SHA1

    08a797b87ecfbee682ce14d872177dae1a5a46a2

    SHA256

    b82b23059e398b39f183ec833d498200029033b0fd3a138b6c2064a6fa3c4b93

    SHA512

    a38b58768daf58fa56ca7b8c37826d57e9dbfcd2dedf120a5b7b9aa36c4e10f64ec07c11dbd77b5861236c005fe5d453523911906dd77a302634408f1d78503a

  • \Users\Admin\AppData\Local\Temp\b5qj77YIVLG5pnCJ.exe

    Filesize

    801KB

    MD5

    9133c2a5ebf3e25aceae5a001ca6f279

    SHA1

    319f911282f3cded94de3730fa0abd5dec8f14be

    SHA256

    7c3615c405f7a11f1c217b9ecd1000cf60a37bca7da1f2d12da21cc110b16b4d

    SHA512

    1d1af3fcfcdba41874e3eb3e2571d25798acfd49b63b7fcf9393be2f59c9ba77e563da1717abcd6445fc52fd6d948bf4c0dd5978a192c8e32e0a9279fd0be33e

  • memory/916-137-0x00000000008A0000-0x00000000008B2000-memory.dmp

    Filesize

    72KB

  • memory/916-136-0x0000000000860000-0x0000000000884000-memory.dmp

    Filesize

    144KB

  • memory/916-133-0x0000000001100000-0x0000000001164000-memory.dmp

    Filesize

    400KB

  • memory/1460-113-0x0000000074EB0000-0x000000007545B000-memory.dmp

    Filesize

    5.7MB

  • memory/1460-23-0x0000000074EB0000-0x000000007545B000-memory.dmp

    Filesize

    5.7MB

  • memory/1460-20-0x0000000074EB0000-0x000000007545B000-memory.dmp

    Filesize

    5.7MB

  • memory/2348-51-0x0000000074EB0000-0x000000007545B000-memory.dmp

    Filesize

    5.7MB

  • memory/2348-0-0x0000000074EB1000-0x0000000074EB2000-memory.dmp

    Filesize

    4KB

  • memory/2348-1-0x0000000074EB0000-0x000000007545B000-memory.dmp

    Filesize

    5.7MB

  • memory/2348-2-0x0000000074EB0000-0x000000007545B000-memory.dmp

    Filesize

    5.7MB

  • memory/2980-83-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2980-62-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2980-70-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2980-66-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2980-64-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2980-81-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2980-84-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2980-68-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2980-78-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2980-77-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2980-145-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2980-60-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2980-114-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2980-116-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2980-76-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2980-73-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2980-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3064-52-0x0000000001050000-0x00000000010B4000-memory.dmp

    Filesize

    400KB

  • memory/3064-53-0x00000000008F0000-0x0000000000914000-memory.dmp

    Filesize

    144KB

  • memory/3064-86-0x0000000000820000-0x0000000000832000-memory.dmp

    Filesize

    72KB