Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    28-06-2024 01:56

General

  • Target

    f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe

  • Size

    90KB

  • MD5

    51a43245ecf3a5f9871d4e2003a36032

  • SHA1

    14f0576f0639189c6252467aba08eb8d8e557578

  • SHA256

    f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32

  • SHA512

    68ebffa51c9aca71cb4de71d287a434de15dd3f04ffde513631da3bb6f348614bf9e13b99612e90ff07b1d70f05e5732d76457195e8432b4420d08913614b0fe

  • SSDEEP

    1536:uUaUcxoyR1CriPMVzrqVBYgImH1bz/psRo2Qzcxop3KBv3RiDKLVclN:uUDcxoyXkiPMVzrqVHH1bzRahQxUYKBY

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

svchost.exe

C2

127.0.0.1:80

2.58.84.229:80

Mutex

svchost.exe

Attributes
  • delay

    1

  • install

    true

  • install_file

    svchost.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Async RAT payload 1 IoCs
  • Detects executables attemping to enumerate video devices using WMI 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 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 38 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 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\f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe
    "C:\Users\Admin\AppData\Local\Temp\f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2948
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2172
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp1719.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1940
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2868
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar5B31.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\tmp1719.tmp.bat

    Filesize

    151B

    MD5

    82ded02ed2238b785e2a0f111bf9de09

    SHA1

    2f1c6db15b443ad3aaf854cd6556ee63593db8a7

    SHA256

    051635675856bc284ba275b702391eaca11c817d70051884bd91f03656ae3499

    SHA512

    bace22d74300e9621a31d6bdddea2baf43c0d53771d7218e0dffe1510ea5548e2f747dd873b539e78a63e37f77b3152e7167ef7ee5b6b831150c4620efcfc8dc

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

    Filesize

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

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

    Filesize

    90KB

    MD5

    51a43245ecf3a5f9871d4e2003a36032

    SHA1

    14f0576f0639189c6252467aba08eb8d8e557578

    SHA256

    f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32

    SHA512

    68ebffa51c9aca71cb4de71d287a434de15dd3f04ffde513631da3bb6f348614bf9e13b99612e90ff07b1d70f05e5732d76457195e8432b4420d08913614b0fe

  • memory/2232-0-0x000007FEF52E3000-0x000007FEF52E4000-memory.dmp

    Filesize

    4KB

  • memory/2232-1-0x0000000000920000-0x000000000093C000-memory.dmp

    Filesize

    112KB

  • memory/2232-3-0x000007FEF52E0000-0x000007FEF5CCC000-memory.dmp

    Filesize

    9.9MB

  • memory/2232-11-0x000007FEF52E0000-0x000007FEF5CCC000-memory.dmp

    Filesize

    9.9MB

  • memory/2232-14-0x000007FEF52E0000-0x000007FEF5CCC000-memory.dmp

    Filesize

    9.9MB

  • memory/2608-18-0x0000000000D40000-0x0000000000D5C000-memory.dmp

    Filesize

    112KB