Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-12-2024 14:27

General

  • Target

    URFT06GSBAWRP_001_PDF.exe

  • Size

    300.0MB

  • MD5

    464753cd8a6523de0fba921ce6846177

  • SHA1

    6b3b77af1129f9ad86acc31163d8450eacb4dbd3

  • SHA256

    3221a50204afcf59f4a836680d1e484903ac3aa389c2105d059efc51b8461092

  • SHA512

    589d0919ddf11d1e8e8eff15a0f78623742e5ab6b16e2b754f519f3bfc7912ccd6c43ad5ffe5c0e11c315f9835936b6b2039dc579527d50cb25333844b0876f2

  • SSDEEP

    3072:1iJZ3k2p8jrvVIYkwur2JMBZ6kINhCRFuaABOUEs64BRg40nOFblHTgr4:1OyRr9u1KJkZ6dIYBUeBRgOlWU

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT 5.0.5

Botnet

Venom Clients

C2

resulttoday2.duckdns.org:6111

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

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#.

  • Asyncrat family
  • Executes dropped EXE 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\URFT06GSBAWRP_001_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\URFT06GSBAWRP_001_PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1564
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\opetr.exe'" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2348
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\opetr.exe'" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4592
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\URFT06GSBAWRP_001_PDF.exe" "C:\Users\Admin\AppData\Roaming\opetr.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1816
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4768
  • C:\Users\Admin\AppData\Roaming\opetr.exe
    C:\Users\Admin\AppData\Roaming\opetr.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3424
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\opetr.exe'" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2448
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\opetr.exe'" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:712
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c copy "C:\Users\Admin\AppData\Roaming\opetr.exe" "C:\Users\Admin\AppData\Roaming\opetr.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4672
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4148
  • C:\Users\Admin\AppData\Roaming\opetr.exe
    C:\Users\Admin\AppData\Roaming\opetr.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2240

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    612B

    MD5

    ca95b0db0b212857216268544c58e741

    SHA1

    5c2fd4ee1dc02d9412a19454562129f97bf930b5

    SHA256

    bdcf4429adc6ee689394b8ea1628e98bac4d0b7f8d735e5bf9e96218a41cd6f0

    SHA512

    c3d83412ec5c6dd7398c7ec0ae73838eed3f9e6e539771066378d74479092bc18f73deac581c3e5f053487eef1ae432a565eec2aa706c7ddf16d5855cb0e70bb

  • memory/1564-6-0x0000000005510000-0x0000000005AB4000-memory.dmp

    Filesize

    5.6MB

  • memory/1564-11-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1564-3-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

    Filesize

    4KB

  • memory/1564-4-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1564-5-0x0000000004ED0000-0x0000000004F36000-memory.dmp

    Filesize

    408KB

  • memory/1564-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

    Filesize

    4KB

  • memory/1564-1-0x00000000002D0000-0x0000000000302000-memory.dmp

    Filesize

    200KB

  • memory/1564-2-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4768-12-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4768-13-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4768-14-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4768-15-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4768-16-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4768-9-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB