Resubmissions

07/11/2024, 03:53

241107-ef52cstphz

05/11/2024, 03:18

241105-dtxrgatbpg10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/11/2024, 03:18

General

  • Target
    42f972925508a82236e8533567487761.exe
  • Size 3.7MB
  • Sample241105-dtxrgatbpg
  • SHA256 8b5b38085f12d51393ed5a481a554074d3c482d53ecd917f2f5dffdf3d2ee138
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • warzonerat

C2
  • sandyclark255.hopto.org:5200

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

Extracted

Family
  • darkcomet

Botnet
  • 2020NOV1

C2
  • sandyclark255.hopto.org:35887

Mutex
  • DC_MUTEX-6XT818D

Attributes
  • InstallPath

    excelsl.exe

  • gencode

    n7asq0Dbu7D2

  • install

    true

  • offline_keylogger

    true

  • password

    hhhhhh

  • persistence

    true

  • reg_key

    office

Extracted

Family
  • babylonrat

C2
  • sandyclark255.hopto.org

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
  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
  • Njrat family
  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • Warzonerat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Async RAT payload 3 IoCs
  • Warzone RAT payload 2 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Drops file in Drivers directory 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 4 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 17 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 7 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.

  • Program crash 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 22 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
  • Modifies registry class 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 47 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 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⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Users\Admin\AppData\Local\Temp\mmKDD8lzOemIWePj.exe
      "C:\Users\Admin\AppData\Local\Temp\mmKDD8lzOemIWePj.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4768
      • 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:4824
        • 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:1564
    • C:\Users\Admin\AppData\Local\Temp\81aDImjYxbQNzIzZ.exe
      "C:\Users\Admin\AppData\Local\Temp\81aDImjYxbQNzIzZ.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4008
      • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
        "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1072
        • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
          "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe" 1072
          4⤵
          • Modifies WinLogon for persistence
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:1192
          • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
            "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe"
            5⤵
            • Executes dropped EXE
            PID:4380
    • C:\Users\Admin\AppData\Local\Temp\yQ4Q4tS4o8T4J5Uw.exe
      "C:\Users\Admin\AppData\Local\Temp\yQ4Q4tS4o8T4J5Uw.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2628
      • C:\Users\Admin\AppData\Local\Temp\heCYMLXIPI2fpGWa\svuhost.exe
        "C:\Users\Admin\AppData\Local\Temp\heCYMLXIPI2fpGWa\svuhost.exe"
        3⤵
        • Modifies WinLogon for persistence
        • Drops file in Drivers directory
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3268
        • C:\Windows\SysWOW64\notepad.exe
          notepad
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3632
        • C:\Users\Admin\Documents\excelsl.exe
          "C:\Users\Admin\Documents\excelsl.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4156
          • C:\Users\Admin\AppData\Local\Temp\heCYMLXIPI2fpGWa\svuhost.exe
            "C:\Users\Admin\AppData\Local\Temp\heCYMLXIPI2fpGWa\svuhost.exe"
            5⤵
            • Disables RegEdit via registry modification
            • Executes dropped EXE
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:2108
            • C:\Windows\SysWOW64\notepad.exe
              notepad
              6⤵
              • System Location Discovery: System Language Discovery
              PID:4532
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 1128
            5⤵
            • Program crash
            PID:1712
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 1148
        3⤵
        • Program crash
        PID:2212
    • C:\Users\Admin\AppData\Local\Temp\hoRFWrn7mv23Jksv.exe
      "C:\Users\Admin\AppData\Local\Temp\hoRFWrn7mv23Jksv.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4452
      • 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:2336
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4C66.tmp.bat""
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4980
        • C:\Windows\SysWOW64\timeout.exe
          timeout 3
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:1700
        • 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
          PID:540
    • C:\Users\Admin\AppData\Local\Temp\50mUV2ZFRnjTvzIe.exe
      "C:\Users\Admin\AppData\Local\Temp\50mUV2ZFRnjTvzIe.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:872
      • C:\Users\Admin\AppData\Local\Temp\fI87ltOJhCNhEwlw\eridjeht.exe
        "C:\Users\Admin\AppData\Local\Temp\fI87ltOJhCNhEwlw\eridjeht.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1996
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 872 -s 1148
        3⤵
        • Program crash
        PID:320
    • C:\Users\Admin\AppData\Local\Temp\zUovw5npF18eFmOz.exe
      "C:\Users\Admin\AppData\Local\Temp\zUovw5npF18eFmOz.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1712
      • C:\Users\Admin\AppData\Local\Temp\9Wr8gF4Xq79ka0w0\svrhost.exe
        "C:\Users\Admin\AppData\Local\Temp\9Wr8gF4Xq79ka0w0\svrhost.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        PID:4508
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 1156
        3⤵
        • Program crash
        PID:1264
    • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
      "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
      2⤵
      • Executes dropped EXE
      PID:2932
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 1724
      2⤵
      • Program crash
      PID:3264
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1568 -ip 1568
    1⤵
      PID:2012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 872 -ip 872
      1⤵
        PID:4408
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1712 -ip 1712
        1⤵
          PID:4392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2628 -ip 2628
          1⤵
            PID:3280
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4156 -ip 4156
            1⤵
              PID:1172

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  excelsl.exe.log

                  • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\excelsl.exe.log
                  • Size 400B
                  • SHA256 c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
                  • MD5 SHA1 SHA512

                  50mUV2ZFRnjTvzIe.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\50mUV2ZFRnjTvzIe.exe
                  • Size 366KB
                  • SHA256 309385e6cd68c0dd148905c3147f77383edaf35da9609c0717da7df1a894e3ca
                  • MD5 SHA1 SHA512 SSDEEP

                  svthost.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
                  • Size 3.7MB
                  • SHA256 8b5b38085f12d51393ed5a481a554074d3c482d53ecd917f2f5dffdf3d2ee138
                  • MD5 SHA1 SHA512 SSDEEP

                  81aDImjYxbQNzIzZ.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\81aDImjYxbQNzIzZ.exe
                  • Size 801KB
                  • SHA256 7c3615c405f7a11f1c217b9ecd1000cf60a37bca7da1f2d12da21cc110b16b4d
                  • MD5 SHA1 SHA512 SSDEEP

                  hoRFWrn7mv23Jksv.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\hoRFWrn7mv23Jksv.exe
                  • Size 376KB
                  • SHA256 7bf9b7b25cf1671e5640f8eeac149f9a4e8c9f6c63415f4bd61bccb10ddf8509
                  • MD5 SHA1 SHA512 SSDEEP

                  mmKDD8lzOemIWePj.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\mmKDD8lzOemIWePj.exe
                  • Size 472KB
                  • SHA256 b82b23059e398b39f183ec833d498200029033b0fd3a138b6c2064a6fa3c4b93
                  • MD5 SHA1 SHA512 SSDEEP

                  tmp4C66.tmp.bat

                  • Path C:\Users\Admin\AppData\Local\Temp\tmp4C66.tmp.bat
                  • Size 153B
                  • SHA256 f57d61a4c3c3645cbbf9109a9c6b0cdd7184ebc764ba39d25ed35b7b7ad89539
                  • MD5 SHA1 SHA512

                  yQ4Q4tS4o8T4J5Uw.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\yQ4Q4tS4o8T4J5Uw.exe
                  • Size 742KB
                  • SHA256 f9f7b6f7b8c5068f9e29a5b50afca609018c50ffd61929e1b78124f5381868f1
                  • MD5 SHA1 SHA512 SSDEEP

                  zUovw5npF18eFmOz.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\zUovw5npF18eFmOz.exe
                  • Size 336KB
                  • SHA256 ec1b56551036963a425f6a0564d75980054e01d251c88eb29c81c1b2182f5727
                  • MD5 SHA1 SHA512 SSDEEP

                  prndrvest.exe

                  • Path C:\Users\Admin\AppData\Roaming\prndrvest.exe
                  • Size 48.8MB
                  • SHA256 215a40804e836b6854380d89f5c6bbaf9e776321e0ce7c496ff52104257666f3
                  • MD5 SHA1 SHA512 SSDEEP

                  memory/540-248-0x00000000030B0000-0x00000000030C2000-memory.dmp

                  memory/1072-212-0x0000000000400000-0x00000000004C2000-memory.dmp

                  memory/1072-207-0x0000000000400000-0x00000000004C2000-memory.dmp

                  memory/1072-211-0x0000000000400000-0x00000000004C2000-memory.dmp

                  memory/1072-238-0x0000000000400000-0x00000000004C2000-memory.dmp

                  memory/1072-208-0x0000000000400000-0x00000000004C2000-memory.dmp

                  memory/1072-205-0x0000000000400000-0x00000000004C2000-memory.dmp

                  memory/1072-231-0x0000000000400000-0x00000000004C2000-memory.dmp

                  memory/1072-203-0x0000000000400000-0x00000000004C2000-memory.dmp

                  memory/1072-209-0x0000000000400000-0x00000000004C2000-memory.dmp

                  memory/1072-200-0x0000000000400000-0x00000000004C2000-memory.dmp

                  memory/1568-4-0x00000000748C0000-0x0000000074E71000-memory.dmp

                  memory/1568-1-0x00000000748C0000-0x0000000074E71000-memory.dmp

                  memory/1568-2-0x00000000748C0000-0x0000000074E71000-memory.dmp

                  memory/1568-87-0x00000000748C0000-0x0000000074E71000-memory.dmp

                  memory/1568-0-0x00000000748C2000-0x00000000748C3000-memory.dmp

                  memory/1568-39-0x00000000748C0000-0x0000000074E71000-memory.dmp

                  memory/1568-3-0x00000000748C2000-0x00000000748C3000-memory.dmp

                  memory/1996-93-0x0000000000400000-0x0000000000554000-memory.dmp

                  memory/1996-100-0x0000000000400000-0x0000000000554000-memory.dmp

                  memory/2108-218-0x0000000000400000-0x00000000004BA000-memory.dmp

                  memory/2108-222-0x0000000000400000-0x00000000004BA000-memory.dmp

                  memory/2108-223-0x0000000000400000-0x00000000004BA000-memory.dmp

                  memory/2108-220-0x0000000000400000-0x00000000004BA000-memory.dmp

                  memory/2628-169-0x00000000748C0000-0x0000000074E71000-memory.dmp

                  memory/2628-81-0x00000000748C0000-0x0000000074E71000-memory.dmp

                  memory/2932-79-0x0000000000400000-0x00000000004BA000-memory.dmp

                  memory/3268-112-0x0000000000400000-0x00000000004BA000-memory.dmp

                  memory/3268-110-0x0000000000400000-0x00000000004BA000-memory.dmp

                  memory/3268-107-0x0000000000400000-0x00000000004BA000-memory.dmp

                  memory/3632-117-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

                  memory/4008-75-0x00000000748C0000-0x0000000074E71000-memory.dmp

                  memory/4008-77-0x00000000748C0000-0x0000000074E71000-memory.dmp

                  memory/4008-72-0x00000000748C0000-0x0000000074E71000-memory.dmp

                  memory/4008-167-0x00000000748C0000-0x0000000074E71000-memory.dmp

                  memory/4380-229-0x0000000000400000-0x00000000004C2000-memory.dmp

                  memory/4452-88-0x0000000009710000-0x0000000009734000-memory.dmp

                  memory/4452-83-0x0000000005A30000-0x0000000005FD4000-memory.dmp

                  memory/4452-103-0x0000000005780000-0x0000000005792000-memory.dmp

                  memory/4452-102-0x0000000002E90000-0x0000000002EA2000-memory.dmp

                  memory/4452-82-0x0000000000C00000-0x0000000000C64000-memory.dmp

                  memory/4452-182-0x0000000009DA0000-0x0000000009E3C000-memory.dmp

                  memory/4452-181-0x0000000006750000-0x00000000067B6000-memory.dmp

                  memory/4452-85-0x0000000005500000-0x000000000550A000-memory.dmp

                  memory/4452-84-0x0000000005520000-0x00000000055B2000-memory.dmp

                  memory/4508-94-0x0000000000400000-0x000000000040F000-memory.dmp

                  memory/4508-97-0x0000000000400000-0x000000000040F000-memory.dmp

                  memory/4532-221-0x0000000000C40000-0x0000000000C41000-memory.dmp

                  memory/4768-166-0x00000000748C0000-0x0000000074E71000-memory.dmp

                  memory/4768-67-0x00000000748C0000-0x0000000074E71000-memory.dmp

                  memory/4768-195-0x00000000748C0000-0x0000000074E71000-memory.dmp

                  memory/4768-114-0x00000000748C0000-0x0000000074E71000-memory.dmp

                  memory/4768-56-0x00000000748C0000-0x0000000074E71000-memory.dmp