Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09-07-2024 01:02

General

  • Target

    0b5e7cdc5d5290f43799f61ef80cc36d163b3eed96480f77fd805d2cc34d44c8.exe

  • Size

    682KB

  • MD5

    244173193de97b401b0f5391d71a6491

  • SHA1

    d46357579f69a5db84a6ea93e777ae6a5b136c53

  • SHA256

    0b5e7cdc5d5290f43799f61ef80cc36d163b3eed96480f77fd805d2cc34d44c8

  • SHA512

    57fa5541eeca2515e6220cf38cb038323dc78b3f51a7981052a947359dee71a1fbddb4480cb128d513428e977a322fdfe48394996b9a46c0bddb14bcd0cd5ee7

  • SSDEEP

    12288:Th1Lk70TnvjcWl93+2kBcRP+EjPrJ4wvu5b0Ye:Pk70TrcWv3+h6QE/jG50Ye

Score
10/10

Malware Config

Signatures

  • AsyncRat

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

  • Async RAT payload 34 IoCs
  • .NET Reactor proctector 35 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b5e7cdc5d5290f43799f61ef80cc36d163b3eed96480f77fd805d2cc34d44c8.exe
    "C:\Users\Admin\AppData\Local\Temp\0b5e7cdc5d5290f43799f61ef80cc36d163b3eed96480f77fd805d2cc34d44c8.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svhosts" /tr '"C:\Users\Admin\AppData\Roaming\svhosts.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:7304
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svhosts" /tr '"C:\Users\Admin\AppData\Roaming\svhosts.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:7416
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpC9C5.tmp.bat""
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:7344
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:7408
      • C:\Users\Admin\AppData\Roaming\svhosts.exe
        "C:\Users\Admin\AppData\Roaming\svhosts.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:7500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC9C5.tmp.bat

    Filesize

    151B

    MD5

    0cacca21b1fedfad38adbbb628db961e

    SHA1

    15fdf19e87a007483453b04d6424116c2e67f642

    SHA256

    01ba1b49300bff710e8d891c74714aeb8074811d151810d8a57ef1acc060cf50

    SHA512

    f3c93222d603686a42a78e9f3575d092374e42238bba1c0bdb3e0d6423e50310ec11ddc45d3640cdfb0bf54a598179d15e4c4695d1bc962feaccc99468b4872b

  • \Users\Admin\AppData\Roaming\svhosts.exe

    Filesize

    682KB

    MD5

    244173193de97b401b0f5391d71a6491

    SHA1

    d46357579f69a5db84a6ea93e777ae6a5b136c53

    SHA256

    0b5e7cdc5d5290f43799f61ef80cc36d163b3eed96480f77fd805d2cc34d44c8

    SHA512

    57fa5541eeca2515e6220cf38cb038323dc78b3f51a7981052a947359dee71a1fbddb4480cb128d513428e977a322fdfe48394996b9a46c0bddb14bcd0cd5ee7

  • memory/2360-32-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-10-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-36-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-4-0x0000000074670000-0x0000000074D5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2360-6-0x0000000074670000-0x0000000074D5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2360-7-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-8-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-34-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-12-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-14-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-52-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-56-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-0-0x000000007467E000-0x000000007467F000-memory.dmp

    Filesize

    4KB

  • memory/2360-18-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-20-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-22-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-24-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-26-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-28-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-30-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-16-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-2-0x0000000004840000-0x000000000490C000-memory.dmp

    Filesize

    816KB

  • memory/2360-5-0x0000000074670000-0x0000000074D5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2360-38-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-40-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-42-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-44-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-46-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-70-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-68-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-66-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-64-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-62-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-60-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-58-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-54-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-50-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-48-0x0000000004840000-0x0000000004907000-memory.dmp

    Filesize

    796KB

  • memory/2360-2721-0x0000000074670000-0x0000000074D5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2360-3-0x0000000074670000-0x0000000074D5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2360-2724-0x0000000074670000-0x0000000074D5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2360-1-0x0000000004A10000-0x0000000004ADE000-memory.dmp

    Filesize

    824KB