Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-06-2024 01:18

General

  • Target

    3c0b94f379c5c568f8f3d406b22b642d3fae60094f8dffbf2e24c87c8435e0a6.exe

  • Size

    492KB

  • MD5

    053aac08d444d91ab5fc8aa01dd11e8f

  • SHA1

    5a53b00c9d6c138e728888fe2497c109a3b2fe55

  • SHA256

    3c0b94f379c5c568f8f3d406b22b642d3fae60094f8dffbf2e24c87c8435e0a6

  • SHA512

    25e1c6115dc72cc1ddc4bd1764a3981729ff9205bd033bff86983c5ed669282bad6beddf949561716d6f7769de0341df3046682f51309fd34bfa7f8bc1291e2d

  • SSDEEP

    12288:1J24XbCawVXX6yznKlnndQJpDyw6zLeJ4VZxdkR:hwpXPnOdQHB6zLew7A

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

194.55.186.155:2424

Mutex

qncatmcnnrwluo

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Detects executables attemping to enumerate video devices using WMI 1 IoCs
  • Detects executables packed with SmartAssembly 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

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

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c0b94f379c5c568f8f3d406b22b642d3fae60094f8dffbf2e24c87c8435e0a6.exe
    "C:\Users\Admin\AppData\Local\Temp\3c0b94f379c5c568f8f3d406b22b642d3fae60094f8dffbf2e24c87c8435e0a6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3c0b94f379c5c568f8f3d406b22b642d3fae60094f8dffbf2e24c87c8435e0a6.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4980
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wLkQKe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:520
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wLkQKe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9839.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:732
    • C:\Users\Admin\AppData\Local\Temp\3c0b94f379c5c568f8f3d406b22b642d3fae60094f8dffbf2e24c87c8435e0a6.exe
      "C:\Users\Admin\AppData\Local\Temp\3c0b94f379c5c568f8f3d406b22b642d3fae60094f8dffbf2e24c87c8435e0a6.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    a26f97d302bbd2cb937ec95d82a77629

    SHA1

    49583681560be0f425f6e69a6fdeea397e5b9c42

    SHA256

    cef7cb34543ee592ba07a725f4f8b6e8c758a9be3af7febfa84c029232d2e230

    SHA512

    3e896004dd34cc01db3bb6be4d435983cfe520b41941e761d15f8af2f85a43585d47b9164299d68cac4de170465265f08fe46dfb2f9e2d99da3f5910826501be

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ol2dzexv.gf4.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp9839.tmp

    Filesize

    1KB

    MD5

    a007367d82e6e4396991ad3debb091ae

    SHA1

    da85330cc45627d16775e2f15c688bbdb61ad0fa

    SHA256

    4ad64d147a28a3bf1ec8baf92aa907c1b0e76666e294f8714712502f510876a6

    SHA512

    1ca0a6bb2ab4958a002556871c65edba6a567e1c2c5bfbe16bba2bf3ccb75c13962f59aeee2dacb27083c65c8c864e7f79cdab0a4505fc5af47b6356e5562c55

  • memory/520-74-0x0000000007920000-0x00000000079C3000-memory.dmp

    Filesize

    652KB

  • memory/520-73-0x0000000006D00000-0x0000000006D1E000-memory.dmp

    Filesize

    120KB

  • memory/520-81-0x0000000007CB0000-0x0000000007CC4000-memory.dmp

    Filesize

    80KB

  • memory/520-77-0x0000000007AE0000-0x0000000007AEA000-memory.dmp

    Filesize

    40KB

  • memory/520-75-0x00000000080C0000-0x000000000873A000-memory.dmp

    Filesize

    6.5MB

  • memory/520-63-0x0000000074D50000-0x0000000074D9C000-memory.dmp

    Filesize

    304KB

  • memory/520-25-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/520-82-0x0000000007DB0000-0x0000000007DCA000-memory.dmp

    Filesize

    104KB

  • memory/520-50-0x0000000006750000-0x000000000676E000-memory.dmp

    Filesize

    120KB

  • memory/520-83-0x0000000007D90000-0x0000000007D98000-memory.dmp

    Filesize

    32KB

  • memory/520-32-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/520-21-0x0000000005680000-0x00000000056A2000-memory.dmp

    Filesize

    136KB

  • memory/520-92-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/520-24-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/520-23-0x0000000005790000-0x00000000057F6000-memory.dmp

    Filesize

    408KB

  • memory/520-22-0x0000000005720000-0x0000000005786000-memory.dmp

    Filesize

    408KB

  • memory/1152-11-0x00000000079F0000-0x0000000007A4A000-memory.dmp

    Filesize

    360KB

  • memory/1152-5-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/1152-1-0x0000000000D10000-0x0000000000D8E000-memory.dmp

    Filesize

    504KB

  • memory/1152-2-0x0000000005DE0000-0x0000000006384000-memory.dmp

    Filesize

    5.6MB

  • memory/1152-3-0x0000000005760000-0x00000000057F2000-memory.dmp

    Filesize

    584KB

  • memory/1152-4-0x0000000005910000-0x0000000005C64000-memory.dmp

    Filesize

    3.3MB

  • memory/1152-49-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/1152-8-0x0000000006490000-0x000000000652C000-memory.dmp

    Filesize

    624KB

  • memory/1152-7-0x00000000068C0000-0x0000000006DEC000-memory.dmp

    Filesize

    5.2MB

  • memory/1152-6-0x0000000005DB0000-0x0000000005DBA000-memory.dmp

    Filesize

    40KB

  • memory/1152-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

    Filesize

    4KB

  • memory/1152-10-0x00000000079D0000-0x00000000079DC000-memory.dmp

    Filesize

    48KB

  • memory/1152-9-0x00000000079B0000-0x00000000079C0000-memory.dmp

    Filesize

    64KB

  • memory/1568-26-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/4980-52-0x0000000006D90000-0x0000000006DC2000-memory.dmp

    Filesize

    200KB

  • memory/4980-76-0x00000000070F0000-0x000000000710A000-memory.dmp

    Filesize

    104KB

  • memory/4980-53-0x0000000074D50000-0x0000000074D9C000-memory.dmp

    Filesize

    304KB

  • memory/4980-78-0x0000000007370000-0x0000000007406000-memory.dmp

    Filesize

    600KB

  • memory/4980-79-0x00000000072F0000-0x0000000007301000-memory.dmp

    Filesize

    68KB

  • memory/4980-80-0x0000000007320000-0x000000000732E000-memory.dmp

    Filesize

    56KB

  • memory/4980-51-0x0000000005DE0000-0x0000000005E2C000-memory.dmp

    Filesize

    304KB

  • memory/4980-16-0x0000000004840000-0x0000000004876000-memory.dmp

    Filesize

    216KB

  • memory/4980-48-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/4980-91-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/4980-18-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/4980-17-0x0000000004ED0000-0x00000000054F8000-memory.dmp

    Filesize

    6.2MB

  • memory/4980-19-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB