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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 19:09

General

  • Target

    1229ffe79bd02279c46b45bb6766bcd02854656208b5a5a1fc3fa254c7790648.exe

  • Size

    540KB

  • MD5

    5f892efbbce2a28d2c358c7b47b9d444

  • SHA1

    7ab014e42aa490e4c26e8f4b3020b7bb8295dc1c

  • SHA256

    1229ffe79bd02279c46b45bb6766bcd02854656208b5a5a1fc3fa254c7790648

  • SHA512

    5bbbc771b7a35fa5083a82ee65dcaa0f8f7beb7d76f39897c47537a4e90eb7a0138f3b722e2364347fd4942cc77db89444cdedbe1c51ca84850030f358600d93

  • SSDEEP

    12288:xHaXEVCo4QGycLS+9bPw9xBBgBbskxo0QEl1ayB6qfm:xHaQCo4Qn+9bPw9xclxxxlI4Xf

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

185.252.232.158:7812

64.23.232.116:7812

Mutex

vsvf

Attributes
  • delay

    1

  • install

    true

  • install_file

    Windows Security Health Service.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

xworm

Version

5.0

C2

185.252.232.158:7812

Mutex

b0c5WZixE6SqaTDD

Attributes
  • Install_directory

    %AppData%

  • install_file

    Windows Defender Security Service.exe

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/bot7308504158:AAGvjg5ZWkkItSzfmQZs_qu73xKZ_gWVkJI/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#.

  • Detect Xworm Payload 2 IoCs
  • StormKitty

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

  • StormKitty payload 2 IoCs
  • 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 7 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 11 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 2 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 9 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 49 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\1229ffe79bd02279c46b45bb6766bcd02854656208b5a5a1fc3fa254c7790648.exe
    "C:\Users\Admin\AppData\Local\Temp\1229ffe79bd02279c46b45bb6766bcd02854656208b5a5a1fc3fa254c7790648.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5076
    • 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:748
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8DD8.tmp.cmd""
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4324
        • C:\Windows\SysWOW64\timeout.exe
          timeout 4
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:1864
    • 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 use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1100
      • 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:4616
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1640
        • 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:4044
        • C:\Windows\SysWOW64\findstr.exe
          findstr All
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4084
      • 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:2592
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1392
        • 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:2336
    • C:\Users\Admin\AppData\Roaming\Cracked.exe
      "C:\Users\Admin\AppData\Roaming\Cracked.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3300
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Windows Security Health Service" /tr '"C:\Users\Admin\AppData\Roaming\Windows Security Health Service.exe"' & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1648
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "Windows Security Health Service" /tr '"C:\Users\Admin\AppData\Roaming\Windows Security Health Service.exe"'
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2552
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8889.tmp.bat""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4048
        • C:\Windows\system32\timeout.exe
          timeout 3
          4⤵
          • Delays execution with timeout.exe
          PID:2428
        • 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 behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4508
    • C:\Users\Admin\AppData\Roaming\Microsoft .NET Assembly Registration Utility.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft .NET Assembly Registration Utility.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:624
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Windows Defender Security Service" /tr "C:\Users\Admin\AppData\Roaming\Windows Defender Security Service.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3040
  • C:\Users\Admin\AppData\Roaming\Windows Defender Security Service.exe
    "C:\Users\Admin\AppData\Roaming\Windows Defender Security Service.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1532
  • C:\Users\Admin\AppData\Roaming\Windows Defender Security Service.exe
    "C:\Users\Admin\AppData\Roaming\Windows Defender Security Service.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\9d2c3c58d0a40fde24d179db34871046\Admin@ZEUYFSYD_en-US\Browsers\Firefox\Bookmarks.txt

    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

  • C:\Users\Admin\AppData\Local\9d2c3c58d0a40fde24d179db34871046\Admin@ZEUYFSYD_en-US\System\Process.txt

    Filesize

    4KB

    MD5

    b6f9238c18f39bde7679358b87ff3391

    SHA1

    72263428248d0860ea1d6366e22d5d385ac64616

    SHA256

    553c8a41a833f8af83abb1387201b9b5b5cb45fed9ca3694a445b8f43c200a36

    SHA512

    01fb360f293e61fc3bfaaf681a2b831fea6dfaeeb51e1f9f20443986bef3e2e5936215c9d1803ce35fdc0328f5be3a5191fdbf2dfe0d9660ffd473d5343f8ac1

  • C:\Users\Admin\AppData\Local\9d2c3c58d0a40fde24d179db34871046\msgid.dat

    Filesize

    5B

    MD5

    f428ed8209a04774dd294d6dc12ae201

    SHA1

    59dc43d8813f621258c0268752575596f563a832

    SHA256

    2e0344265d2a31f5762eca4df9335704c37674a75a727202973e14c0b9f9aabe

    SHA512

    9f6b1653fc2fc50428876fcca94864583217a17bece41e5246daf40d3553d3e23eb90eced9a4dc7878407b63a0d5d1afb32361293c1514b20f5cddebd74437d6

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

    Filesize

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

  • C:\Users\Admin\AppData\Local\Temp\tmp8889.tmp.bat

    Filesize

    175B

    MD5

    5066807af677890e26cca55ce98da3b0

    SHA1

    0e44dd021544b51641051eb008a05a78f43d36d2

    SHA256

    471185e585cc3e15d87875c38818f346089d4cd7b43f70e6b143a5ef0f3a9473

    SHA512

    76223fa36c2fb40d1df254dcea135c3064205408b95e7dabe397e2e8bfa4d5fb019b9eea9a555583bba1ed8ac973eb8b5599b191f0c95728a535ed0fe2342af5

  • C:\Users\Admin\AppData\Local\Temp\tmp8DD8.tmp.cmd

    Filesize

    151B

    MD5

    28e7cdf607e9b1323efefddf1023db45

    SHA1

    597d381b7c3668ef16d932e250df7ca11f46d566

    SHA256

    4aa2217530bc2414f10315accb9e0908d6d45007a8e05e1d3175745cdee6f17d

    SHA512

    48a03d83d9119c6d434dfbd8c34cacbc70c464644dc1722c3c5d93c2e64bf5305662436e2362e484763cc300b25f4d11193fdf52949ad1b4d4128aa6c6b32f2d

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

    Filesize

    74KB

    MD5

    0dfa83a82f6418c73406d78296de61be

    SHA1

    dd7eceef8a434c43e0751e180bf714e08771d336

    SHA256

    8d27369ffa8b29d561fa9daf485be14d2fc00287bb1c69d4c84d514891c8db5e

    SHA512

    9a4b026250b18c29ab7dd48203f321c2ef2f12695bd2dcb52ebbc15001c8ddf019d5a7e04da056c50c1881ce269d1810259bf6d04b61f471e8751b7192fc73d4

  • C:\Users\Admin\AppData\Roaming\Microsoft .NET Assembly Registration Utility.exe

    Filesize

    42KB

    MD5

    7a5ea6a11fdb03f789a2246aa8ff1501

    SHA1

    5e1289096418c7f8b5901963c34c89f9902cbbba

    SHA256

    bde45f854d6c434717ea7b59587e020c2403123728c49deb56cba8132de5e96a

    SHA512

    cfca94f3d78675bbe56f02119e3943f7067898d7b7d14e91bca7220a235665363f69930acdeb9f7df388a49a6b62812bcf74bbffad20a96915257b54c4e78a73

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

    Filesize

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

  • 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

    6cbe3de085baa7ffcc6194a34746538a

    SHA1

    986e6523294c5d3835af38a56c03239ca0f3a007

    SHA256

    1aad9660ae1dcfada6ea39fc441f1b06fdab9b7fd71b71342f006e2d779cdf8b

    SHA512

    50d73b171adb7dbf12f00267ea3501a676f757980a0ab6ba3ae64f7ca1666394dbb008b80faa51beecd9546e224425df4c48d08c0dbf69915ed07eda04e8aeeb

  • memory/624-47-0x00000000003F0000-0x0000000000400000-memory.dmp

    Filesize

    64KB

  • memory/748-51-0x0000000000AB0000-0x0000000000AB8000-memory.dmp

    Filesize

    32KB

  • memory/1100-222-0x0000000006830000-0x0000000006DD4000-memory.dmp

    Filesize

    5.6MB

  • memory/1100-67-0x0000000005870000-0x00000000058D6000-memory.dmp

    Filesize

    408KB

  • memory/1100-221-0x00000000061E0000-0x0000000006272000-memory.dmp

    Filesize

    584KB

  • memory/1100-226-0x00000000063D0000-0x00000000063DA000-memory.dmp

    Filesize

    40KB

  • memory/1100-50-0x00000000008C0000-0x00000000008F0000-memory.dmp

    Filesize

    192KB

  • memory/1100-232-0x0000000006800000-0x0000000006812000-memory.dmp

    Filesize

    72KB

  • memory/3300-57-0x00007FFBCA440000-0x00007FFBCAF01000-memory.dmp

    Filesize

    10.8MB

  • memory/3300-52-0x00007FFBCA440000-0x00007FFBCAF01000-memory.dmp

    Filesize

    10.8MB

  • memory/3300-48-0x0000000000610000-0x0000000000628000-memory.dmp

    Filesize

    96KB

  • memory/5076-0-0x00007FFBCA443000-0x00007FFBCA445000-memory.dmp

    Filesize

    8KB

  • memory/5076-1-0x0000000000910000-0x000000000099C000-memory.dmp

    Filesize

    560KB