Analysis

  • max time kernel
    147s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-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 5 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 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).

  • Modifies system certificate store 2 TTPs 3 IoCs
  • 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 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c0b94f379c5c568f8f3d406b22b642d3fae60094f8dffbf2e24c87c8435e0a6.exe
    "C:\Users\Admin\AppData\Local\Temp\3c0b94f379c5c568f8f3d406b22b642d3fae60094f8dffbf2e24c87c8435e0a6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2832
    • 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:2964
    • 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:1728
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wLkQKe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5F34.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1328
    • C:\Users\Admin\AppData\Local\Temp\3c0b94f379c5c568f8f3d406b22b642d3fae60094f8dffbf2e24c87c8435e0a6.exe
      "C:\Users\Admin\AppData\Local\Temp\3c0b94f379c5c568f8f3d406b22b642d3fae60094f8dffbf2e24c87c8435e0a6.exe"
      2⤵
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    ecc84af4e61f54c0076377154b5389c6

    SHA1

    4a5af78f9ab594abd05e7fa69ae0fd8ce1cd41c2

    SHA256

    21364cf1a2a5122b9520568e6250b71e8be7f5ab8428043f1138596d60983087

    SHA512

    8cb89d9759a81fdaf43b43ac67e4c128dcffcdad14dba006221ef5ccb7b2f5e2a3d82c9b67ac36b94d7e33eb9f8bbbe22078e86e6baade83f27981046abc01e0

  • C:\Users\Admin\AppData\Local\Temp\Cab27DD.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar27F0.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\tmp5F34.tmp

    Filesize

    1KB

    MD5

    d58361c0658ddc9dd54a40b73218a4bb

    SHA1

    67a9a9e056ceca0c11cc964019d4b7d7a6bad66f

    SHA256

    5ae15b05aad95d16acbc58db17e3f3850239bad54b9537ab84d4044d75cd6470

    SHA512

    47b12d2b35166dd2b31ab684e5c8f10861510df9734fa8c1a97344e8a465aa8c663c9ffd2b87fbfa312cd1786eb0954987e4ada01fd025e4f9ea16cd9bc497dd

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZLDAZWF29KE5IKWYHIS2.temp

    Filesize

    7KB

    MD5

    62c161d857161990308eb2abe57b7667

    SHA1

    e2bcfbd993e8ad7e96fa2958a357ee4698dd1d32

    SHA256

    8a2154d68171525575fe8e1c37d17020e32983af22badc094a3e2bfda27d8fac

    SHA512

    1f5d7defbbad03b1cdf939413edf1a0dc34082fff979eb49430c85bd17de6b52a5760ae1213bba7e06048c4325aa4a0ac0eb08fe260c9f820bb8ec7846cbf3a1

  • memory/684-110-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/684-114-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/684-106-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/684-108-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/684-112-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/684-115-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/684-117-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/684-116-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2832-9-0x0000000074A90000-0x000000007517E000-memory.dmp

    Filesize

    6.9MB

  • memory/2832-92-0x0000000001F90000-0x0000000001F9C000-memory.dmp

    Filesize

    48KB

  • memory/2832-0-0x0000000074A9E000-0x0000000074A9F000-memory.dmp

    Filesize

    4KB

  • memory/2832-91-0x0000000001E30000-0x0000000001E40000-memory.dmp

    Filesize

    64KB

  • memory/2832-93-0x0000000006880000-0x00000000068DA000-memory.dmp

    Filesize

    360KB

  • memory/2832-118-0x0000000074A90000-0x000000007517E000-memory.dmp

    Filesize

    6.9MB

  • memory/2832-1-0x00000000002A0000-0x000000000031E000-memory.dmp

    Filesize

    504KB