Analysis

  • max time kernel
    148s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-10-2024 12:03

General

  • Target

    discord.exe

  • Size

    74KB

  • MD5

    45543e1a02340ade4c65314fbf401d09

  • SHA1

    a75eb9173c40a1b0e47af74cd0b51c99905a56fe

  • SHA256

    21fff7a94a630799dd5393bf16019816998086b843e3310fb8f33dbc74f5011f

  • SHA512

    a4288d6094ca6d43a92eeff9f94a9fc7aa2f4fb9023227f07a2eb69a484a1e1b2277351ec01ac6ad246e5587debe8277edbcf61f41b1e4b90caabdda9c52b23b

  • SSDEEP

    1536:0UKUcxoyR1CriPMVGleiUItf1bc/l6jQzcF+VclN:0UzcxoyXkiPMVceivf1bcWQckY

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

127.0.0.1:4449

Mutex

zibgoamyfpalbhsqxxf

Attributes
  • delay

    1

  • install

    true

  • install_file

    discord.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • VenomRAT 2 IoCs

    Detects VenomRAT.

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

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

  • Executes dropped EXE 1 IoCs
  • 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 53 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 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\discord.exe
    "C:\Users\Admin\AppData\Local\Temp\discord.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "discord" /tr '"C:\Users\Admin\AppData\Roaming\discord.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4632
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "discord" /tr '"C:\Users\Admin\AppData\Roaming\discord.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:932
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC8AF.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3468
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4328
      • C:\Users\Admin\AppData\Roaming\discord.exe
        "C:\Users\Admin\AppData\Roaming\discord.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    baf55b95da4a601229647f25dad12878

    SHA1

    abc16954ebfd213733c4493fc1910164d825cac8

    SHA256

    ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924

    SHA512

    24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

  • C:\Users\Admin\AppData\Local\Temp\tmpC8AF.tmp.bat

    Filesize

    151B

    MD5

    ea2def8dcfda1661ca407fe698da3fff

    SHA1

    fb46957ef3ad92fce53e90adbf6f4861753bdb85

    SHA256

    f56c224979ec5ffdaa6404518a7f94831fe30661ed645cc4eed4aa6105cbed8f

    SHA512

    314be9cc96c66ad03825420d9be4b755b9125b6e5b03f0cdcd84cf8f481d9bd84c0fb3f5b733d12946ba113d39e979d929eff6298819fbb0451212e3adeb35c4

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

    Filesize

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

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

    Filesize

    74KB

    MD5

    45543e1a02340ade4c65314fbf401d09

    SHA1

    a75eb9173c40a1b0e47af74cd0b51c99905a56fe

    SHA256

    21fff7a94a630799dd5393bf16019816998086b843e3310fb8f33dbc74f5011f

    SHA512

    a4288d6094ca6d43a92eeff9f94a9fc7aa2f4fb9023227f07a2eb69a484a1e1b2277351ec01ac6ad246e5587debe8277edbcf61f41b1e4b90caabdda9c52b23b

  • memory/2360-0-0x00007FF80F383000-0x00007FF80F385000-memory.dmp

    Filesize

    8KB

  • memory/2360-1-0x0000000000160000-0x0000000000178000-memory.dmp

    Filesize

    96KB

  • memory/2360-3-0x00007FF80F380000-0x00007FF80FE41000-memory.dmp

    Filesize

    10.8MB

  • memory/2360-8-0x00007FF80F380000-0x00007FF80FE41000-memory.dmp

    Filesize

    10.8MB

  • memory/2360-9-0x00007FF80F380000-0x00007FF80FE41000-memory.dmp

    Filesize

    10.8MB