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Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/08/2024, 19:03

General

  • Target

    d242df7f2b38186e3ff903b28119c09883df033ba2519e9b5f19eb0652f78975.exe

  • Size

    313KB

  • MD5

    2aeeb429e9290526b96bf4b58b2411ad

  • SHA1

    4b4527fbd51763b51d4acebcf157ba3bd5082ce1

  • SHA256

    d242df7f2b38186e3ff903b28119c09883df033ba2519e9b5f19eb0652f78975

  • SHA512

    8de691347446377838638dd97ab36ad4fbec672be0158451778901bf4ee62b6002f18fe06c7365b952d0650308eb78dadd9d338c91c67b181041807004c242cc

  • SSDEEP

    6144:48XN6W8mmHPtppXPSi9b4qt3GPMVRSbfWraqe9s:FN6qatppXP1t3jcWraq

Malware Config

Extracted

Family

xworm

Version

5.1

C2

119.59.98.116:7812

Mutex

JBMeOx2rIgGrdV0y

Attributes
  • Install_directory

    %AppData%

  • install_file

    Windows Defender security.exe

  • telegram

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

aes.plain

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

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

119.59.98.116:7812

Mutex

WindowsDefendersecurityService

Attributes
  • delay

    1

  • install

    true

  • install_file

    Windows Defender Security Service.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Detect Xworm Payload 2 IoCs
  • StormKitty

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

  • StormKitty payload 2 IoCs
  • VenomRAT 2 IoCs

    Detects VenomRAT.

  • Xworm

    Xworm is a remote access trojan written in C#.

  • Async RAT payload 2 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 8 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 6 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 9 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 2 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 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 40 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\d242df7f2b38186e3ff903b28119c09883df033ba2519e9b5f19eb0652f78975.exe
    "C:\Users\Admin\AppData\Local\Temp\d242df7f2b38186e3ff903b28119c09883df033ba2519e9b5f19eb0652f78975.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:64
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.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:772
      • 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:4524
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4224
        • 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:1848
        • C:\Windows\SysWOW64\findstr.exe
          findstr All
          4⤵
          • System Location Discovery: System Language Discovery
          PID:384
      • 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:4968
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1640
        • 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:4720
    • C:\Users\Admin\AppData\Roaming\Windows Defender security.exe
      "C:\Users\Admin\AppData\Roaming\Windows Defender security.exe"
      2⤵
      • Checks computer location settings
      • 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:1448
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Windows Defender security" /tr "C:\Users\Admin\AppData\Roaming\Windows Defender security.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1156
    • C:\Users\Admin\AppData\Roaming\Windows Security Service Host.exe
      "C:\Users\Admin\AppData\Roaming\Windows Security Service Host.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2012
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Windows Defender Security Service" /tr '"C:\Users\Admin\AppData\Roaming\Windows Defender Security Service.exe"' & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2872
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "Windows Defender Security Service" /tr '"C:\Users\Admin\AppData\Roaming\Windows Defender Security Service.exe"'
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4216
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp826E.tmp.bat""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1092
        • C:\Windows\system32\timeout.exe
          timeout 3
          4⤵
          • Delays execution with timeout.exe
          PID:1552
        • C:\Users\Admin\AppData\Roaming\Windows Defender Security Service.exe
          "C:\Users\Admin\AppData\Roaming\Windows Defender Security Service.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2600
  • C:\Users\Admin\AppData\Roaming\Windows Defender security.exe
    "C:\Users\Admin\AppData\Roaming\Windows Defender security.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2952
  • C:\Users\Admin\AppData\Roaming\Windows Defender security.exe
    "C:\Users\Admin\AppData\Roaming\Windows Defender security.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\2d36cc9d40bd48127a0b54f637b5251f\msgid.dat

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Windows Defender security.exe.log

    Filesize

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

  • C:\Users\Admin\AppData\Local\Temp\tmp826E.tmp.bat

    Filesize

    178B

    MD5

    bd87b1722046025792a9cc767588d1cf

    SHA1

    06b6d334ba10432d82191069b4934abb874ccadc

    SHA256

    5191f9cdb90fecfae46f3013dbd2ba640baf6666ff3f28599b7e134255ca43c0

    SHA512

    c670e5bc0573c1f4988159789c0dd98f94791c97fec3b77e594781480b4a7aa22efd859a68eaa1b0d15c681629db2be047ac8bdd43a03e1f4a3f7827aa8b43d2

  • C:\Users\Admin\AppData\Local\f54a5d82f4a8ee2d4950876b1390c98e\Admin@ZEUYFSYD_en-US\System\Process.txt

    Filesize

    4KB

    MD5

    930b31ebaaf288c8ab93e96e04522ebf

    SHA1

    dfec0818cddfb9bc4eb4e10f50aa0cc9bacc10c8

    SHA256

    4ac621559dd01802bb7d37e5dbf44a5202b36b17bb6e01db3ce5c8e4610dc70c

    SHA512

    2ee84755e2faadeacb7754553d40152f07041e81841254bb65d77445d97692191c07ef049664f68c7264fb01a2c8914d66ef7b08b82a91469e9ce175f6b507d9

  • C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

    Filesize

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

  • C:\Users\Admin\AppData\Roaming\Windows Defender security.exe

    Filesize

    42KB

    MD5

    454abb9d524208fb694e7e70c0fbc56a

    SHA1

    060037a032fa3ccf469d902e12c1523e00040748

    SHA256

    c93c27a171d7a883f34e944d16bb47f0e949eb36181060f923e4d8df8da24298

    SHA512

    dd390f87dfb7f80074c92a61ae1ee65193855dc0b7dafe14ae65aedffb92625d6ebb5ea9fac9e452ad0ee4b3bb0d8923a926793c87a4af745f718921688d4b54

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

    Filesize

    74KB

    MD5

    c3f58ffd73d3afc5cc08a29dc5a864c8

    SHA1

    aad0a8c93043e3a4f7c422278c9c02a016ed55b7

    SHA256

    27d16a4b6970b62bc05c437177605391f7788a3e602e69da9d1375ace81b4ee2

    SHA512

    4d45d348bbbc2d503eea99c7265e68c6ce87cf8be982ba153c6e8e6c58484476fc4287a91f8cff2eaa3f4ff1de04e02b2b4bcb597326c6963b28967670fc50b7

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

    Filesize

    170KB

    MD5

    1d94cbce42232d67fb1e032e1e61d77e

    SHA1

    0f10e767c0cba85a39122b8e040c976de50dc468

    SHA256

    5b9f1c1780a2889685343734f81db30b92b7407cc8e476d01cf4f46d37db04a9

    SHA512

    5f8a3c1d35fe009b36c54bed90e8ce44bba86180a409855b10b4693d123f1c323f8c928507d01ba552eff6e387074a07736bb7851dbf1984db0d750107eaeff4

  • memory/64-1-0x0000000074DF0000-0x00000000753A1000-memory.dmp

    Filesize

    5.7MB

  • memory/64-2-0x0000000074DF0000-0x00000000753A1000-memory.dmp

    Filesize

    5.7MB

  • memory/64-0-0x0000000074DF2000-0x0000000074DF3000-memory.dmp

    Filesize

    4KB

  • memory/64-41-0x0000000074DF0000-0x00000000753A1000-memory.dmp

    Filesize

    5.7MB

  • memory/772-37-0x0000000071FCE000-0x0000000071FCF000-memory.dmp

    Filesize

    4KB

  • memory/772-212-0x0000000005D40000-0x0000000005D4A000-memory.dmp

    Filesize

    40KB

  • memory/772-208-0x0000000005F70000-0x0000000006514000-memory.dmp

    Filesize

    5.6MB

  • memory/772-52-0x0000000005000000-0x0000000005066000-memory.dmp

    Filesize

    408KB

  • memory/772-42-0x0000000000030000-0x0000000000060000-memory.dmp

    Filesize

    192KB

  • memory/772-146-0x0000000071FCE000-0x0000000071FCF000-memory.dmp

    Filesize

    4KB

  • memory/772-207-0x0000000005920000-0x00000000059B2000-memory.dmp

    Filesize

    584KB

  • memory/1448-34-0x00007FF83D8B3000-0x00007FF83D8B5000-memory.dmp

    Filesize

    8KB

  • memory/1448-51-0x00007FF83D8B0000-0x00007FF83E371000-memory.dmp

    Filesize

    10.8MB

  • memory/1448-213-0x00007FF83D8B0000-0x00007FF83E371000-memory.dmp

    Filesize

    10.8MB

  • memory/1448-39-0x0000000000440000-0x0000000000450000-memory.dmp

    Filesize

    64KB

  • memory/2012-43-0x00000000001A0000-0x00000000001B8000-memory.dmp

    Filesize

    96KB

  • memory/2012-40-0x00007FF83D8B3000-0x00007FF83D8B5000-memory.dmp

    Filesize

    8KB