Resubmissions

26/02/2025, 05:50

250226-gjv2nssrx3 10

26/02/2025, 02:02

250226-cggzta1lx4 10

25/02/2025, 23:31

250225-3hvkeatpx2 10

25/02/2025, 23:21

250225-3b6dbstk17 10

25/02/2025, 23:08

250225-24rvzasqv3 10

25/02/2025, 22:22

250225-199sas1j14 10

Analysis

  • max time kernel
    150s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25/02/2025, 23:08

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

Botnet

null

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#.

  • Asyncrat family
  • Babylon RAT

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

  • Babylonrat family
  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Async RAT payload 3 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.

  • System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 31 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Users\Admin\AppData\Local\Temp\jr8ajXmE8q7rNBS4.exe
      "C:\Users\Admin\AppData\Local\Temp\jr8ajXmE8q7rNBS4.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2332
      • C:\Windows\svehosts.exe
        "C:\Windows\svehosts.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1784
        • 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
          • System Location Discovery: System Language Discovery
          PID:1060
    • C:\Users\Admin\AppData\Local\Temp\IezcwbpoxBkZgdMR.exe
      "C:\Users\Admin\AppData\Local\Temp\IezcwbpoxBkZgdMR.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2780
      • 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
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:600
        • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
          "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe" 600
          4⤵
          • Modifies WinLogon for persistence
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2976
          • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
            "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2956
    • C:\Users\Admin\AppData\Local\Temp\UkfFwhjMnbalzl3n.exe
      "C:\Users\Admin\AppData\Local\Temp\UkfFwhjMnbalzl3n.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2892
      • 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⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2452
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp7FBB.tmp.bat""
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1684
        • C:\Windows\SysWOW64\timeout.exe
          timeout 3
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:1052
        • C:\Users\Admin\AppData\Roaming\prndrvest.exe
          "C:\Users\Admin\AppData\Roaming\prndrvest.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2456
    • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
      "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
      2⤵
      • Executes dropped EXE
      PID:2772
    • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
      "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
      2⤵
      • Executes dropped EXE
      PID:2756
    • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
      "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
      2⤵
      • Executes dropped EXE
      PID:2128
    • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
      "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
      2⤵
      • Executes dropped EXE
      PID:1360
    • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
      "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
      2⤵
      • Executes dropped EXE
      PID:2412
    • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
      "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
      2⤵
      • Executes dropped EXE
      PID:2644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    3.7MB

    MD5

    9d2a888ca79e1ff3820882ea1d88d574

    SHA1

    112c38d80bf2c0d48256249bbabe906b834b1f66

    SHA256

    8b5b38085f12d51393ed5a481a554074d3c482d53ecd917f2f5dffdf3d2ee138

    SHA512

    17a9f74ecf9f118ed0252fa0bc6ce0f9758a4dc75f238cae304def9c37cd94623818dd4aef38826642ff9e549b7e6047318f8bf6de7edff2d61a298d0bf5c840

  • C:\Users\Admin\AppData\Local\Temp\UkfFwhjMnbalzl3n.exe

    Filesize

    376KB

    MD5

    590acb5fa6b5c3001ebce3d67242aac4

    SHA1

    5df39906dc4e60f01b95783fc55af6128402d611

    SHA256

    7bf9b7b25cf1671e5640f8eeac149f9a4e8c9f6c63415f4bd61bccb10ddf8509

    SHA512

    4ac518140ee666491132525853f2843357d622fe351e59cca7ce3b054d665f77ad8987adddd601e6b1afe6903222d77cf3c41a5aa69e8caf0dcdc7656a43e9ba

  • C:\Users\Admin\AppData\Local\Temp\tmp7FBB.tmp.bat

    Filesize

    153B

    MD5

    0a5b0a752de3b08814a4d0c917c1f9c3

    SHA1

    17d2872cbdeb6236247823ff6c448998ccde98af

    SHA256

    207ca6946b8dec1e5e755ff63b753c846c0c085e2998f38da03654adb048f1a0

    SHA512

    620d3c18261a72c9bb17ab68471fc1b74ba8636d0ffe957c37e4bbfb4ed4d8c3bb0d8056bc5cf9d2f2742c6504c37b13d7cca869f042c2e9e7c6a2b38f24433a

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

    Filesize

    44.8MB

    MD5

    b0f205850a31ec7086a5a6989b229d39

    SHA1

    f26df8ad1a54e47bfaf55f4bcbe0a664445e5d1d

    SHA256

    4dc2b628c20e2c3687f39c201ca4702bee80339057e03e000e83eedc13665304

    SHA512

    dd1458f7b202539c34090a0a9885d7c2d76004aa606ff9a98be48767762c657a8cb79c3fd64d8b0d591169352357fe2dbc1b0b1f885649925a3a8a08244a8e19

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

    Filesize

    801KB

    MD5

    9133c2a5ebf3e25aceae5a001ca6f279

    SHA1

    319f911282f3cded94de3730fa0abd5dec8f14be

    SHA256

    7c3615c405f7a11f1c217b9ecd1000cf60a37bca7da1f2d12da21cc110b16b4d

    SHA512

    1d1af3fcfcdba41874e3eb3e2571d25798acfd49b63b7fcf9393be2f59c9ba77e563da1717abcd6445fc52fd6d948bf4c0dd5978a192c8e32e0a9279fd0be33e

  • \Users\Admin\AppData\Local\Temp\jr8ajXmE8q7rNBS4.exe

    Filesize

    472KB

    MD5

    2819e45588024ba76f248a39d3e232ba

    SHA1

    08a797b87ecfbee682ce14d872177dae1a5a46a2

    SHA256

    b82b23059e398b39f183ec833d498200029033b0fd3a138b6c2064a6fa3c4b93

    SHA512

    a38b58768daf58fa56ca7b8c37826d57e9dbfcd2dedf120a5b7b9aa36c4e10f64ec07c11dbd77b5861236c005fe5d453523911906dd77a302634408f1d78503a

  • memory/600-67-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/600-111-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/600-136-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/600-121-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/600-61-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/600-63-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/600-65-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/600-76-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/600-78-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/600-87-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/600-74-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/600-73-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/600-71-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/600-69-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/600-88-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/600-81-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/600-84-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1756-3-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-53-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-1-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-2-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-0-0x0000000074DD1000-0x0000000074DD2000-memory.dmp

    Filesize

    4KB

  • memory/2332-28-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/2332-33-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/2332-113-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/2332-120-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/2332-34-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/2456-140-0x00000000009C0000-0x0000000000A24000-memory.dmp

    Filesize

    400KB

  • memory/2456-141-0x00000000003E0000-0x0000000000404000-memory.dmp

    Filesize

    144KB

  • memory/2456-142-0x00000000004C0000-0x00000000004D2000-memory.dmp

    Filesize

    72KB

  • memory/2892-90-0x0000000000470000-0x0000000000482000-memory.dmp

    Filesize

    72KB

  • memory/2892-89-0x00000000002F0000-0x0000000000302000-memory.dmp

    Filesize

    72KB

  • memory/2892-54-0x0000000000BC0000-0x0000000000C24000-memory.dmp

    Filesize

    400KB

  • memory/2892-80-0x0000000000500000-0x0000000000524000-memory.dmp

    Filesize

    144KB

  • memory/2892-79-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB