Resubmissions

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03-06-2024 16:34

General

  • Target

    Flash-USDT-main/Flash USDT v2.exe

  • Size

    918KB

  • MD5

    e45aa1c8df8c2e551cbb12eb60d45862

  • SHA1

    cb00e3e6bd28bbef0899c7e470e82f4e5f5dc13b

  • SHA256

    5c9d92a9fc8a5399e2dc146af2c5dfbfdbbf94cd11ea331e9422626026470279

  • SHA512

    ea77a19bc7d76c821082d9f2a14b6e818f28b98aaea9f923767d86d96e8db1a64ddcc56d7cfbcce41c06bd195b8afef4ed4f4dfc1e3543df0e5de4b6aa3af069

  • SSDEEP

    24576:1Gz1TSpONGTQ9dokTpIG/2KPJ8r6oPNYY:1o1SpONZ9dokTpIG/Y+YN

Malware Config

Extracted

Family

quasar

Version

2.1.0.0

Botnet

Office04

C2

146.70.34.130:7812

Mutex

VNM_MUTEX_c2q7y2ayYutZ2XaYe7

Attributes
  • encryption_key

    xwXT4WCNnk3vInV5C8eN

  • install_name

    Windows Security Health Service.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Security Health Service

  • subdirectory

    Windows Security Health Service

Extracted

Family

xworm

C2

146.70.34.130:7812

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot6110313252:AAE6fFOzBefHnbenT-1DwxI9EBeZQTxbYGk/sendMessage?chat_id=6291749148

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot6110313252:AAE6fFOzBefHnbenT-1DwxI9EBeZQTxbYGk/sendMessage?chat_id=6291749148

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Contains code to disable Windows Defender 2 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Detect Xworm Payload 2 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 2 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • VenomRAT

    VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.

  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 8 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Looks up geolocation information via web service

    Uses a legitimate geolocation service to find the infected system's geolocation info.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 3 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Flash-USDT-main\Flash USDT v2.exe
    "C:\Users\Admin\AppData\Local\Temp\Flash-USDT-main\Flash USDT v2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3984
    • C:\Users\Admin\AppData\Roaming\service.exe
      "C:\Users\Admin\AppData\Roaming\service.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4576
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Windows Defender SecurityService" /tr "C:\Users\Admin\AppData\Roaming\Windows Defender SecurityService"
        3⤵
        • Creates scheduled task(s)
        PID:2592
    • C:\Users\Admin\AppData\Roaming\Windows Security Health Service.exe
      "C:\Users\Admin\AppData\Roaming\Windows Security Health Service.exe"
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:536
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /create /tn "Windows Security Health Service" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windows Security Health Service.exe" /rl HIGHEST /f
        3⤵
        • Creates scheduled task(s)
        PID:1696
      • C:\Users\Admin\AppData\Roaming\Windows Security Health Service\Windows Security Health Service.exe
        "C:\Users\Admin\AppData\Roaming\Windows Security Health Service\Windows Security Health Service.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3084
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "Windows Security Health Service" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windows Security Health Service\Windows Security Health Service.exe" /rl HIGHEST /f
          4⤵
          • Creates scheduled task(s)
          PID:4616
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4444
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k start /b del /q/f/s %TEMP%\* & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2304
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /K del /q/f/s C:\Users\Admin\AppData\Local\Temp\*
          4⤵
            PID:1536
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\aiQisExWw3tE.bat" "
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2192
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            4⤵
              PID:2552
            • C:\Windows\SysWOW64\PING.EXE
              ping -n 10 localhost
              4⤵
              • Runs ping.exe
              PID:2016
            • C:\Users\Admin\AppData\Roaming\Windows Security Health Service.exe
              "C:\Users\Admin\AppData\Roaming\Windows Security Health Service.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:3216
        • C:\Users\Admin\AppData\Roaming\Microsoft Edge.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft Edge.exe"
          2⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1212
          • C:\Users\Admin\AppData\Roaming\Microsoft Edge.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft Edge.exe"
            3⤵
            • Executes dropped EXE
            • Drops desktop.ini file(s)
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2900
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3068
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2724
                • C:\Windows\SysWOW64\netsh.exe
                  netsh wlan show profile
                  5⤵
                    PID:4844
                  • C:\Windows\SysWOW64\findstr.exe
                    findstr All
                    5⤵
                      PID:1844
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
                    4⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2980
                    • C:\Windows\SysWOW64\chcp.com
                      chcp 65001
                      5⤵
                        PID:4508
                      • C:\Windows\SysWOW64\netsh.exe
                        netsh wlan show networks mode=bssid
                        5⤵
                          PID:2068
                • C:\Windows\System32\rundll32.exe
                  C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                  1⤵
                    PID:4692

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\652c9e4991d5bea9a66c45326d30cf2e\msgid.dat

                    Filesize

                    6B

                    MD5

                    fe01303cdcadd376c78fb1877afaef00

                    SHA1

                    aba135a54e5d186a0952f71c9e26b826a098adf9

                    SHA256

                    8dc269406e603bb873c2ca2e0af8a4a4dcd83e31399f3fba8a335416911fe5d3

                    SHA512

                    76122a89fd658ee4a836a6090f8d1c54f050f8165fbe5f6e708a72afd4b18286c9282f32fcb3a4e2c32e3d10d51ab1ceafd6806b03f47acf0f05bbb5f6cc1fb3

                  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Windows Security Health Service.exe.log

                    Filesize

                    1KB

                    MD5

                    0d57fc33826cdd8ab7f1fd188829748d

                    SHA1

                    40fab51cd74493d07e0c37af6bfee896e9d0cef6

                    SHA256

                    4ff6a3eca1a0964fa036fcc54b2fa2137de9ade61e8140cee7e3136352445c41

                    SHA512

                    dd02119b787943e580156d89ea75ad38eff863bf560d4ec33fa4e52202f0b6252e928322f73e3a3e11685fb0cff204af4d67c6818bdf9812d7b458c362965aaa

                  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4sydbzqp.jqe.ps1

                    Filesize

                    60B

                    MD5

                    d17fe0a3f47be24a6453e9ef58c94641

                    SHA1

                    6ab83620379fc69f80c0242105ddffd7d98d5d9d

                    SHA256

                    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                    SHA512

                    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                  • C:\Users\Admin\AppData\Local\Temp\aiQisExWw3tE.bat

                    Filesize

                    225B

                    MD5

                    ba2100e7d5454cd8f7773381633d6e99

                    SHA1

                    8a47b8c346612171eb25ff1eeaf6e1ccee2537dc

                    SHA256

                    d0b396bc24191abcabfde7efd247e80c2718d54bba424797ed77e7f973e564a5

                    SHA512

                    19e6d0ff2ccbf0e5d146dff7f990d04f156dc25907682704e31de210499632b0ec6c3549ee58f77e5128cfdad7ada9fa6212912ec48524f48056d04cb1ee02f3

                  • C:\Users\Admin\AppData\Local\b52d5b9f53350de20616f4e09e77340d\Admin@NGOMEWNG_en-US\Browsers\Firefox\Bookmarks.txt

                    Filesize

                    105B

                    MD5

                    2e9d094dda5cdc3ce6519f75943a4ff4

                    SHA1

                    5d989b4ac8b699781681fe75ed9ef98191a5096c

                    SHA256

                    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

                    SHA512

                    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

                  • C:\Users\Admin\AppData\Local\b52d5b9f53350de20616f4e09e77340d\Admin@NGOMEWNG_en-US\System\Process.txt

                    Filesize

                    4KB

                    MD5

                    dd756490c5b30bd77bcff64adbe54a08

                    SHA1

                    043b673c5b1c22960b0622d1f94476a297696970

                    SHA256

                    f169e050f84df58b4a8274cd53d0cde5c7915e779cf3194aff7a023a2e6f459d

                    SHA512

                    94a8e76b4763755273ec1e2b53653eb9fc1971b6c26572b97383d0e22399da9704c78261c436227d41debc3fdeca76c5f9bed79eff77f82fa5461b199d0b57e9

                  • C:\Users\Admin\AppData\Roaming\Microsoft Edge.exe

                    Filesize

                    195KB

                    MD5

                    e7f8c4ea62d6c4ae774f981480c6b232

                    SHA1

                    2dad33c36ad472cee4ca8231c723e92bd7033b7d

                    SHA256

                    c57f5af415c2e2b4850b6274567ea05841501136b634365c8dc9c19c0a5cd39b

                    SHA512

                    f92a03354724834c21c932e2f6933c0afab21d768e7ceedb15699e22bc1a63771f2f91734b902dd8cdb75d2fb7e2be0579c0b826f154a325769a0317c3c1a3c7

                  • C:\Users\Admin\AppData\Roaming\Windows Security Health Service.exe

                    Filesize

                    534KB

                    MD5

                    b934a776bf8ad0d2acba5fecd3e8d54a

                    SHA1

                    2c2419eaa05137543fbacd52929b758633543fc2

                    SHA256

                    9ecdfad064bdd85e9f36f5d6580e4576b495f6b2981f822129fe2f37b69ac405

                    SHA512

                    c8f06093c6048edbdb92f12263179595c23aa6263aff2c359736c41cbb7548c886d55b7d85dbbd2651df4dfebd4fec88f2f4380d9d59453224ca0483c1cb18f3

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

                    Filesize

                    68KB

                    MD5

                    e3959c47fd8eb8989ffcccbedb64f28d

                    SHA1

                    fb4e8f09c8a395cae695dd7431d2985a949aa89c

                    SHA256

                    ad93141af1cd287247d5365955f235e7c1b9477d4a32354680f684237a07b145

                    SHA512

                    c52783c65a929c971667a806f234b086aae6b1db2b09e763cb17c09e31484aef26f5cea4340b01bcb6172679b8a8b11fa4c7ae0eb160eccf271903a3371a990c

                  • memory/536-50-0x0000000005910000-0x0000000005976000-memory.dmp

                    Filesize

                    408KB

                  • memory/536-41-0x0000000000E00000-0x0000000000E8C000-memory.dmp

                    Filesize

                    560KB

                  • memory/536-52-0x0000000006A60000-0x0000000006A9C000-memory.dmp

                    Filesize

                    240KB

                  • memory/536-51-0x0000000006530000-0x0000000006542000-memory.dmp

                    Filesize

                    72KB

                  • memory/1212-42-0x0000000005570000-0x0000000005B16000-memory.dmp

                    Filesize

                    5.6MB

                  • memory/1212-46-0x0000000005070000-0x000000000507A000-memory.dmp

                    Filesize

                    40KB

                  • memory/1212-44-0x0000000005290000-0x000000000532C000-memory.dmp

                    Filesize

                    624KB

                  • memory/1212-43-0x00000000050E0000-0x0000000005172000-memory.dmp

                    Filesize

                    584KB

                  • memory/1212-40-0x0000000000720000-0x0000000000756000-memory.dmp

                    Filesize

                    216KB

                  • memory/2900-47-0x0000000000400000-0x0000000000430000-memory.dmp

                    Filesize

                    192KB

                  • memory/2900-251-0x0000000006D60000-0x0000000006D72000-memory.dmp

                    Filesize

                    72KB

                  • memory/2900-245-0x00000000060C0000-0x00000000060CA000-memory.dmp

                    Filesize

                    40KB

                  • memory/3084-85-0x0000000006BF0000-0x0000000006BFA000-memory.dmp

                    Filesize

                    40KB

                  • memory/3984-1-0x00007FFF13FF3000-0x00007FFF13FF5000-memory.dmp

                    Filesize

                    8KB

                  • memory/3984-0-0x0000000000120000-0x000000000020C000-memory.dmp

                    Filesize

                    944KB

                  • memory/4444-69-0x0000000005630000-0x0000000005987000-memory.dmp

                    Filesize

                    3.3MB

                  • memory/4444-73-0x0000000070330000-0x000000007037C000-memory.dmp

                    Filesize

                    304KB

                  • memory/4444-82-0x0000000006B00000-0x0000000006B1E000-memory.dmp

                    Filesize

                    120KB

                  • memory/4444-72-0x0000000006100000-0x0000000006134000-memory.dmp

                    Filesize

                    208KB

                  • memory/4444-83-0x0000000006B20000-0x0000000006BC4000-memory.dmp

                    Filesize

                    656KB

                  • memory/4444-71-0x0000000005BA0000-0x0000000005BEC000-memory.dmp

                    Filesize

                    304KB

                  • memory/4444-87-0x0000000006E50000-0x0000000006E6A000-memory.dmp

                    Filesize

                    104KB

                  • memory/4444-86-0x00000000074A0000-0x0000000007B1A000-memory.dmp

                    Filesize

                    6.5MB

                  • memory/4444-88-0x0000000006ED0000-0x0000000006EDA000-memory.dmp

                    Filesize

                    40KB

                  • memory/4444-89-0x00000000070E0000-0x0000000007176000-memory.dmp

                    Filesize

                    600KB

                  • memory/4444-90-0x0000000007060000-0x0000000007071000-memory.dmp

                    Filesize

                    68KB

                  • memory/4444-92-0x0000000007090000-0x000000000709E000-memory.dmp

                    Filesize

                    56KB

                  • memory/4444-93-0x00000000070A0000-0x00000000070B5000-memory.dmp

                    Filesize

                    84KB

                  • memory/4444-96-0x00000000071A0000-0x00000000071BA000-memory.dmp

                    Filesize

                    104KB

                  • memory/4444-97-0x0000000007190000-0x0000000007198000-memory.dmp

                    Filesize

                    32KB

                  • memory/4444-70-0x0000000005B00000-0x0000000005B1E000-memory.dmp

                    Filesize

                    120KB

                  • memory/4444-60-0x0000000005550000-0x00000000055B6000-memory.dmp

                    Filesize

                    408KB

                  • memory/4444-59-0x0000000004D60000-0x0000000004D82000-memory.dmp

                    Filesize

                    136KB

                  • memory/4444-58-0x0000000004F20000-0x000000000554A000-memory.dmp

                    Filesize

                    6.2MB

                  • memory/4444-57-0x0000000002300000-0x0000000002336000-memory.dmp

                    Filesize

                    216KB

                  • memory/4576-275-0x00007FFF13FF0000-0x00007FFF14AB2000-memory.dmp

                    Filesize

                    10.8MB

                  • memory/4576-39-0x00007FFF13FF0000-0x00007FFF14AB2000-memory.dmp

                    Filesize

                    10.8MB

                  • memory/4576-38-0x0000000000980000-0x0000000000998000-memory.dmp

                    Filesize

                    96KB