Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/03/2025, 21:33

General

  • Target

    Main.exe

  • Size

    723KB

  • MD5

    da83861c41845595ac896a9ba8908166

  • SHA1

    35fb04158b18389c0fa05d560b44d0c90b378bac

  • SHA256

    88f0200e25ae48da6d87f5bb43c0b3ca9e3af0a55544a362a4c68fca967ab790

  • SHA512

    b257db872b86fc9565222694a5bf6e74f6c825a107b3ebbc38a7e19e762b143c7ad86bce111c9eb9424d5f83fe5cb057f73456fd3c19e7f68b95acbc5fb72e90

  • SSDEEP

    12288:tOhqsVIRb2yrFriBdD3aTbgLxLYjQbyGzs0yROS44MERXjI7Uh0TAXP6KH37gi:ohDsDhCU/gLijQbyGzs0yQaMKjI7kXjl

Malware Config

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/bot7479631857:AAFuIUMNJYKHzJ3Bc9t4FSh9ZQXlqymhFnk/sendMessage?chat_id=6291749148

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

quasar

Version

2.1.0.0

Botnet

Office04

C2

45.61.140.75:7812

Mutex

VNM_MUTEX_DIBuVCpZfDcrHCFft2

Attributes
  • encryption_key

    q8RpA86xyuUHuOrxUGXa

  • install_name

    Windows Security.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Service Host

  • subdirectory

    SubDir

Signatures

  • AsyncRat

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

  • Asyncrat family
  • 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.

  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • Modifies Windows Defender TamperProtection settings 3 TTPs 1 IoCs
  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 2 IoCs
  • StormKitty

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

  • StormKitty payload 2 IoCs
  • Stormkitty family
  • VenomRAT

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

  • Venomrat family
  • Async RAT payload 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Windows security modification 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.

  • 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 22 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: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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
  • Runs ping.exe 1 TTPs 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: EnumeratesProcesses 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Main.exe
    "C:\Users\Admin\AppData\Local\Temp\Main.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:840
    • C:\Users\Admin\AppData\Roaming\Windows Security.exe
      "C:\Users\Admin\AppData\Roaming\Windows Security.exe"
      2⤵
      • Modifies Windows Defender DisableAntiSpyware settings
      • Modifies Windows Defender Real-time Protection settings
      • Modifies Windows Defender TamperProtection settings
      • Checks computer location settings
      • Executes dropped EXE
      • Windows security modification
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:928
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /create /tn "Windows Service Host" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windows Security.exe" /rl HIGHEST /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3156
      • C:\Users\Admin\AppData\Roaming\SubDir\Windows Security.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\Windows Security.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1944
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "Windows Service Host" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Windows Security.exe" /rl HIGHEST /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4320
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1196
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k start /b del /q/f/s %TEMP%\* & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1420
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /K del /q/f/s C:\Users\Admin\AppData\Local\Temp\*
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2604
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0DtYeQ5NjDuF.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2436
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2076
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 10 localhost
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:4512
        • C:\Users\Admin\AppData\Roaming\Windows Security.exe
          "C:\Users\Admin\AppData\Roaming\Windows Security.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:32
    • C:\Users\Admin\AppData\Roaming\crack.exe
      "C:\Users\Admin\AppData\Roaming\crack.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1424
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp902A.tmp.cmd""
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3000
        • C:\Windows\SysWOW64\timeout.exe
          timeout 4
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:4888
    • 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:1248
      • 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:4472
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3124
        • 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:3664
        • C:\Windows\SysWOW64\findstr.exe
          findstr All
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3156
      • 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:2232
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1280
        • 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:4872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\6467b9d8f73dd277193be15ded3b8874\Admin@VETZEJGC_en-US\Browsers\Firefox\Bookmarks.txt

    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

  • C:\Users\Admin\AppData\Local\6467b9d8f73dd277193be15ded3b8874\Admin@VETZEJGC_en-US\System\Process.txt

    Filesize

    4KB

    MD5

    0fb63652fc8299a127387529cf72bdb3

    SHA1

    890e5dcd6b4497c6cf62a7ab47dd61db573523d2

    SHA256

    2503de618ab6d3121be4e3360dc4e3e069b91dab7ebf357b75f9bcdef0a131f2

    SHA512

    9d0705365b3623d669285553c409c7e58c68bee2097f6d753abea5fb2d2707a385e2f31c84a2143c864a77b38de1e36f4f27ad65776cca6f4f98fa79dc8ae089

  • C:\Users\Admin\AppData\Local\97220013721ac76f2105b40f2474eedf\msgid.dat

    Filesize

    6B

    MD5

    e5ef3a4279aebe7127e8f4782bc6b283

    SHA1

    bfd9405e5dcbb1dc612637fa3d2f703dc24e3302

    SHA256

    0f657c2fa6dc8c05deeb4e1a2db8f567a562ac62f9b74fe991a259ebbb36475c

    SHA512

    0075d2c00d66e999fb82c41d66cdccf173af1bd1f5bbc8d18be7e7daaff0681bb1ae903b7ddec5fe27353b25f3ff8581a47bfb6193fc35562ccdf5d0af8db040

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

    Filesize

    1KB

    MD5

    10eab9c2684febb5327b6976f2047587

    SHA1

    a12ed54146a7f5c4c580416aecb899549712449e

    SHA256

    f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928

    SHA512

    7e5fd90fffae723bd0c662a90e0730b507805f072771ee673d1d8c262dbf60c8a03ba5fe088f699a97c2e886380de158b2ccd59ee62e3d012dd6dd14ea9d0e50

  • C:\Users\Admin\AppData\Local\Temp\0DtYeQ5NjDuF.bat

    Filesize

    210B

    MD5

    498b79559f166b7bf9908641e3c588e9

    SHA1

    69ce5b88fd9fce99a6756e6d8b88bd1374639238

    SHA256

    9b85d79b3f8c54f77cc9e8388fcc33105692bf2461ca3a5266d1b04ef37c7583

    SHA512

    052ca1e2283cf24192edd262075f670f3a421ce19b7fefff91e9c500381428b57ee66a538fce3f523d37add7223499b662e237793f0b1c89d1ec2adadec915e9

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pneq4z4a.s43.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    5.0MB

    MD5

    2af05c837619933dba8ef7413b504701

    SHA1

    ccd925653d6c87816768b7f8c0592f88d30c7fb5

    SHA256

    6f74c08b173af69de63ffa61dba097befc758e3108f2abc00e43bb7e563fa2cc

    SHA512

    bbd711c89ccc3f0184e2e8686d1c285b1d28ef81889d049a5c8325f8c6a6f6b4ea938023af25d868a61517b2957951ed17ce94b07415aa0e324c22f0012d1f76

  • C:\Users\Admin\AppData\Local\Temp\tmp902A.tmp.cmd

    Filesize

    151B

    MD5

    8bc95eaac9a883b4c9c21367dab4d440

    SHA1

    9411b51b28927738acae109797b3eeadff044639

    SHA256

    b3407cf3dedadac2669a1ad969c33ffe0e31fa60e66c42277cb534db98f35a01

    SHA512

    54c28f9acb5a69f474efcee6518541bffddb8f72c5e4697c1042d99d5d3fe1e9237215bc66b593f4e5123ae8af112bd8e44bab61ebf9d32e584714ef46725d7e

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

    Filesize

    534KB

    MD5

    e08257dba54a675925b5fe410fb044b6

    SHA1

    4a15b592c595bae0abe7a3b160c026805700c6b6

    SHA256

    03ebf0bf1d1017311113a4a32b757a5ad415d29301ff1c736d504beba7244621

    SHA512

    45a343389a78269a861f99e7b1cf72c6be384043b36491b330ff48f7c940d2bcecd3d2f688adfa5b77029f39cc745926960f50d5506025726a0437d4b94bc2c2

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

    Filesize

    8KB

    MD5

    9215015740c937980b6b53cee5087769

    SHA1

    a0bfe95486944f1548620d4de472c3758e95d36a

    SHA256

    a5390a297f14ef8f5be308009ec436d2a58598188dbb92d7299795a10ba1c541

    SHA512

    5b9bbf1836466d803d3e160a38e10c8397aa3966c120ab6435a52b7d0a09eb664ef2172bf0e7e2de1cc3eae261167c9355fa7ac3b1b7e4504a7e07b82c4b90e2

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

    Filesize

    170KB

    MD5

    36e79d9c029304417b9e0a142eb22a42

    SHA1

    ec3e50b99c320bf80cf990558da8707fbb52edab

    SHA256

    b9b3b3630d78ed68c6cca1fb41fe51fa1626c6a58bd62387d824e344b8e451bb

    SHA512

    d2732de13b780eff3c14a4122410f02395a2d1cc36f7c28f9d8a58f07cc20528860ff169d35ba72cb64f0f0d58ca98f5a8bd962447c33f637ef9e8a0fc3ae9c8

  • memory/840-0-0x00007FF819FA3000-0x00007FF819FA5000-memory.dmp

    Filesize

    8KB

  • memory/840-1-0x0000000000900000-0x00000000009BC000-memory.dmp

    Filesize

    752KB

  • memory/928-41-0x0000000005250000-0x00000000057F4000-memory.dmp

    Filesize

    5.6MB

  • memory/928-45-0x0000000005A40000-0x0000000005A52000-memory.dmp

    Filesize

    72KB

  • memory/928-46-0x0000000005F80000-0x0000000005FBC000-memory.dmp

    Filesize

    240KB

  • memory/928-201-0x00000000751BE000-0x00000000751BF000-memory.dmp

    Filesize

    4KB

  • memory/928-44-0x0000000004E40000-0x0000000004EA6000-memory.dmp

    Filesize

    408KB

  • memory/928-42-0x0000000004DA0000-0x0000000004E32000-memory.dmp

    Filesize

    584KB

  • memory/928-39-0x00000000002E0000-0x000000000036C000-memory.dmp

    Filesize

    560KB

  • memory/928-36-0x00000000751BE000-0x00000000751BF000-memory.dmp

    Filesize

    4KB

  • memory/1196-70-0x0000000006180000-0x00000000061B2000-memory.dmp

    Filesize

    200KB

  • memory/1196-55-0x0000000005430000-0x0000000005496000-memory.dmp

    Filesize

    408KB

  • memory/1196-67-0x0000000005BF0000-0x0000000005C3C000-memory.dmp

    Filesize

    304KB

  • memory/1196-66-0x0000000005B90000-0x0000000005BAE000-memory.dmp

    Filesize

    120KB

  • memory/1196-65-0x00000000055C0000-0x0000000005914000-memory.dmp

    Filesize

    3.3MB

  • memory/1196-71-0x0000000070650000-0x000000007069C000-memory.dmp

    Filesize

    304KB

  • memory/1196-83-0x00000000061C0000-0x00000000061DE000-memory.dmp

    Filesize

    120KB

  • memory/1196-85-0x0000000006DB0000-0x0000000006E53000-memory.dmp

    Filesize

    652KB

  • memory/1196-52-0x00000000022A0000-0x00000000022D6000-memory.dmp

    Filesize

    216KB

  • memory/1196-53-0x0000000004CA0000-0x00000000052C8000-memory.dmp

    Filesize

    6.2MB

  • memory/1196-88-0x0000000007510000-0x0000000007B8A000-memory.dmp

    Filesize

    6.5MB

  • memory/1196-89-0x0000000006ED0000-0x0000000006EEA000-memory.dmp

    Filesize

    104KB

  • memory/1196-90-0x0000000006F40000-0x0000000006F4A000-memory.dmp

    Filesize

    40KB

  • memory/1196-91-0x0000000007150000-0x00000000071E6000-memory.dmp

    Filesize

    600KB

  • memory/1196-92-0x00000000070D0000-0x00000000070E1000-memory.dmp

    Filesize

    68KB

  • memory/1196-93-0x0000000007100000-0x000000000710E000-memory.dmp

    Filesize

    56KB

  • memory/1196-94-0x0000000007110000-0x0000000007124000-memory.dmp

    Filesize

    80KB

  • memory/1196-95-0x0000000007210000-0x000000000722A000-memory.dmp

    Filesize

    104KB

  • memory/1196-96-0x00000000071F0000-0x00000000071F8000-memory.dmp

    Filesize

    32KB

  • memory/1196-54-0x0000000005310000-0x0000000005332000-memory.dmp

    Filesize

    136KB

  • memory/1248-203-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/1248-43-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/1248-254-0x0000000005F00000-0x0000000005F0A000-memory.dmp

    Filesize

    40KB

  • memory/1248-260-0x0000000006110000-0x0000000006122000-memory.dmp

    Filesize

    72KB

  • memory/1248-37-0x00000000001F0000-0x0000000000220000-memory.dmp

    Filesize

    192KB

  • memory/1424-86-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/1424-40-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/1424-38-0x00000000002D0000-0x00000000002D8000-memory.dmp

    Filesize

    32KB

  • memory/1944-69-0x0000000006F60000-0x0000000006F6A000-memory.dmp

    Filesize

    40KB