Analysis

  • max time kernel
    146s
  • max time network
    143s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • submitted
    28-09-2024 03:11

General

  • Target

    Server.exe

  • Size

    920KB

  • MD5

    b36dc7511b95419ea3491a60597280ed

  • SHA1

    8caa07eda2ef7f77c09df3d6d9eb99190c8d6c7b

  • SHA256

    d98c45c9a36b59116af3e7311570fbf2fd18a70e669a980a3da5a1d06b1b5179

  • SHA512

    ba71404887ecd9602fd2ac6dfb4870925e0dd16b1a7c1d5c64101d6be08a20af255655679b1ce7acc11562bab464bbdd146efcad44ff67115c9df0d23d304ca0

  • SSDEEP

    12288:4MSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V94iwQiKDKqxAs:4nsJ39LyjbJkQFMhmC+6GD94hKeqf

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

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/bot7510720859:AAHJ07lkxNWZwwJs6SC36WS0jVG9IR6m3pM/sendMessage?chat_id=6059920057

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#.

  • Asyncrat family
  • StormKitty

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

  • StormKitty payload 6 IoCs
  • Stormkitty family
  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Async RAT payload 1 IoCs
  • A potential corporate email address has been identified in the URL: WorldWindProResultsDate2024092831130AMSystemWindows11Pro64BitUsernameAdminCompNameNPCDUADCLanguageenUSAntivirusNotinstalledHardwareCPU12thGenIntelRCoreTMi512400GPUMicrosoftBasicDisplayAdapterRAM16154MBHWIDUnknownPowerNoSystemBattery1Screen1280x720NetworkGatewayIP10.127.0.1InternalIP10.127.0.119ExternalIP138.199.29.44BSSID4efd742001f9DomainsinfoBankLogsNodataCryptoLogsNodataFreakyLogsNodataLogsBookmarks5SoftwareDeviceWindowsproductkeyDesktopscreenshotFileGrabberDatabasefiles6TelegramChannel@XSplinter
  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 15 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 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.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 12 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 18 IoCs

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

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 4 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Checks processor information in registry 2 TTPs 7 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    "C:\Users\Admin\AppData\Local\Temp\Server.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Users\Admin\AppData\Local\Temp\._cache_Server.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Server.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2220
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        • Suspicious use of WriteProcessMemory
        PID:4508
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1652
        • C:\Windows\SysWOW64\netsh.exe
          netsh wlan show profile
          4⤵
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Wi-Fi Discovery
          PID:1324
        • C:\Windows\SysWOW64\findstr.exe
          findstr All
          4⤵
          • System Location Discovery: System Language Discovery
          PID:240
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2888
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3700
        • C:\Windows\SysWOW64\netsh.exe
          netsh wlan show networks mode=bssid
          4⤵
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:3932
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:8
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Drops desktop.ini file(s)
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2260
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Wi-Fi Discovery
          • Suspicious use of WriteProcessMemory
          PID:2824
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            5⤵
            • System Location Discovery: System Language Discovery
            PID:3360
          • C:\Windows\SysWOW64\netsh.exe
            netsh wlan show profile
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Wi-Fi Discovery
            PID:4892
          • C:\Windows\SysWOW64\findstr.exe
            findstr All
            5⤵
            • System Location Discovery: System Language Discovery
            PID:3764
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4704
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1532
          • C:\Windows\SysWOW64\netsh.exe
            netsh wlan show networks mode=bssid
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:2532
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    920KB

    MD5

    b36dc7511b95419ea3491a60597280ed

    SHA1

    8caa07eda2ef7f77c09df3d6d9eb99190c8d6c7b

    SHA256

    d98c45c9a36b59116af3e7311570fbf2fd18a70e669a980a3da5a1d06b1b5179

    SHA512

    ba71404887ecd9602fd2ac6dfb4870925e0dd16b1a7c1d5c64101d6be08a20af255655679b1ce7acc11562bab464bbdd146efcad44ff67115c9df0d23d304ca0

  • C:\Users\Admin\AppData\Local\372ef40be482ed34a934e68c903809f9\msgid.dat

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • C:\Users\Admin\AppData\Local\4ec89bc08d5fbd0c3242c65d1bec6435\Admin@NPCDUADC_en-US\Browsers\Firefox\Bookmarks.txt

    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

  • C:\Users\Admin\AppData\Local\4ec89bc08d5fbd0c3242c65d1bec6435\Admin@NPCDUADC_en-US\System\Process.txt

    Filesize

    4KB

    MD5

    aa03cca9b38a1eb6b9c6c1919308eebc

    SHA1

    0d41b8532574fb4787ceb3a61f0f0844b6c75831

    SHA256

    94f3a00f1268e30f82ac8ec0aea08f26964b976460e39b04b9cd72150b443c37

    SHA512

    b11b1589d3a3c920dd21c964ebab49f861bcd0ea486758d4848e59484b6e89f7aa65409955172303e4ef82164d8fe719055fa2d99b0bce5d4f3c7c795a9a4460

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

    Filesize

    175KB

    MD5

    14b15cea169536afebbef45c29ac005b

    SHA1

    8f8a085f45aaf1babdbeb5beb7ef75db9a6451ef

    SHA256

    3a8e7fcf4ecdf5c6f45d05d2003f561d65ed7959e181beb2cfc55e60a4717396

    SHA512

    ef3c7c6ea00e1d0472d6797cdb5d5c462dcfd00fb14a5c34afdef0dd84d1c258a1f44a570c376236c7fc7a8d6a1a49941294ec30ad3edc04438db5cfbdc4957d

  • C:\Users\Admin\AppData\Local\Temp\AJ6l1UIZ.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\places.raw

    Filesize

    5.0MB

    MD5

    29ea98d570b6a5caa6dd897996a88df9

    SHA1

    70f43c969fa1cc5bea5be39e2bae747b486b2d4d

    SHA256

    8341fe50e3c1d09f5a06140e4770d633da4bfedccef5ea233c7e46908e217dd8

    SHA512

    bc2f9018cbfdda3b57b946cbc3a9100573b1331da73bedca87429adf61b27c8d1e601f94b98b087fa9f37f26db22ce5948acbfcf9bf997f4292026e6713c983a

  • C:\Users\Admin\AppData\Local\Temp\tmp9A6B.tmp.dat

    Filesize

    114KB

    MD5

    e54dec68d633001c42366d0ecde3f2e0

    SHA1

    68ad889d9b6f02fa8d7c3df69d30eeff5745ef52

    SHA256

    387015740938f6d013d089c66d2250c6f4e80f9d7d7a0887043df3dc3f812f02

    SHA512

    dd531dfbbb35f4d92858227bebb93f396690e8a902cd61fc80e7a981cd34a4fdd8490130a552069f48f6a06f21f7c3a63e6e205274bb50f85cb81a1b329901f2

  • C:\Users\Admin\AppData\Local\Temp\tmp9A6D.tmp.dat

    Filesize

    160KB

    MD5

    f310cf1ff562ae14449e0167a3e1fe46

    SHA1

    85c58afa9049467031c6c2b17f5c12ca73bb2788

    SHA256

    e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

    SHA512

    1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

  • C:\Users\Admin\AppData\Local\Temp\tmp9A70.tmp.dat

    Filesize

    112KB

    MD5

    87210e9e528a4ddb09c6b671937c79c6

    SHA1

    3c75314714619f5b55e25769e0985d497f0062f2

    SHA256

    eeb23424586eb7bc62b51b19f1719c6571b71b167f4d63f25984b7f5c5436db1

    SHA512

    f8cb8098dc8d478854cddddeac3396bc7b602c4d0449491ecacea7b9106672f36b55b377c724dc6881bee407c6b6c5c3352495ed4b852dd578aa3643a43e37c0

  • memory/8-589-0x0000000000400000-0x00000000004EC000-memory.dmp

    Filesize

    944KB

  • memory/8-494-0x0000000000400000-0x00000000004EC000-memory.dmp

    Filesize

    944KB

  • memory/8-495-0x0000000002140000-0x0000000002141000-memory.dmp

    Filesize

    4KB

  • memory/8-131-0x0000000002140000-0x0000000002141000-memory.dmp

    Filesize

    4KB

  • memory/1148-197-0x00007FF7E8DD0000-0x00007FF7E8DE0000-memory.dmp

    Filesize

    64KB

  • memory/1148-195-0x00007FF7EB850000-0x00007FF7EB860000-memory.dmp

    Filesize

    64KB

  • memory/1148-192-0x00007FF7EB850000-0x00007FF7EB860000-memory.dmp

    Filesize

    64KB

  • memory/1148-198-0x00007FF7E8DD0000-0x00007FF7E8DE0000-memory.dmp

    Filesize

    64KB

  • memory/1148-196-0x00007FF7EB850000-0x00007FF7EB860000-memory.dmp

    Filesize

    64KB

  • memory/1148-193-0x00007FF7EB850000-0x00007FF7EB860000-memory.dmp

    Filesize

    64KB

  • memory/1148-194-0x00007FF7EB850000-0x00007FF7EB860000-memory.dmp

    Filesize

    64KB

  • memory/2172-0-0x0000000002380000-0x0000000002381000-memory.dmp

    Filesize

    4KB

  • memory/2172-128-0x0000000000400000-0x00000000004EC000-memory.dmp

    Filesize

    944KB

  • memory/2220-483-0x0000000006440000-0x00000000064D2000-memory.dmp

    Filesize

    584KB

  • memory/2220-485-0x0000000006A90000-0x0000000007036000-memory.dmp

    Filesize

    5.6MB

  • memory/2220-207-0x00000000059E0000-0x0000000005A46000-memory.dmp

    Filesize

    408KB

  • memory/2220-462-0x00000000730BE000-0x00000000730BF000-memory.dmp

    Filesize

    4KB

  • memory/2220-503-0x0000000006560000-0x000000000656A000-memory.dmp

    Filesize

    40KB

  • memory/2220-106-0x00000000730BE000-0x00000000730BF000-memory.dmp

    Filesize

    4KB

  • memory/2220-514-0x0000000007340000-0x0000000007352000-memory.dmp

    Filesize

    72KB

  • memory/2220-130-0x0000000000E20000-0x0000000000E52000-memory.dmp

    Filesize

    200KB