Analysis

  • max time kernel
    23s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-01-2021 06:17

General

  • Target

    ORDER-2114 doc.exe

  • Size

    929KB

  • MD5

    918c64196f31842ff6f7abcd6c8602fa

  • SHA1

    6148d8afff84c92dbd5fc74ae4dd936ba4783bb4

  • SHA256

    ef49862573dc6f3a18094cb5a2644d1a0db366283ec46152e79bcf2f828440bc

  • SHA512

    7c37c2710177f3cc4cadf91ca7bb9a6cea112afa0a006faf2d552d36b73ed36526af5a71812e043cbbcfff38df930afb883c27da5ebfab04c7a027e5abdb0e93

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

chongmei33.publicvm.com:49746

chongmei33.publicvm.com:2703

chongmei33.publicvm.com:49714

chongmei33.publicvm.com:49703

185.165.153.116:49746

185.165.153.116:2703

185.165.153.116:49714

185.165.153.116:49703

54.37.36.116:49746

54.37.36.116:2703

54.37.36.116:49714

54.37.36.116:49703

185.244.30.92:49746

185.244.30.92:2703

185.244.30.92:49714

185.244.30.92:49703

dongreg202020.duckdns.org:49746

dongreg202020.duckdns.org:2703

dongreg202020.duckdns.org:49714

dongreg202020.duckdns.org:49703

Mutex

word_6SI86kPnk

Attributes
  • aes_key

    Hz9AIk2iuw31bDO3o1GepDyHZ5vVJkGp

  • anti_detection

    false

  • autorun

    false

  • bdos

    false

  • delay

    SEPT G8

  • host

    chongmei33.publicvm.com,185.165.153.116,54.37.36.116,185.244.30.92,dongreg202020.duckdns.org,178.33.222.241,rahim321.duckdns.org,79.134.225.92,37.120.208.36

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    word_6SI86kPnk

  • pastebin_config

    null

  • port

    49746,2703,49714,49703

  • version

    0.5.7B

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

  • Async RAT payload 2 IoCs
  • Drops startup file 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ORDER-2114 doc.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDER-2114 doc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3992
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\ORDER-2114 doc.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe'
      2⤵
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4008
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:728

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/728-22-0x0000000073920000-0x000000007400E000-memory.dmp
    Filesize

    6.9MB

  • memory/728-19-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

  • memory/728-20-0x000000000040C89E-mapping.dmp
  • memory/3992-9-0x00000000054A0000-0x00000000054A1000-memory.dmp
    Filesize

    4KB

  • memory/3992-7-0x0000000004EA0000-0x0000000004EA1000-memory.dmp
    Filesize

    4KB

  • memory/3992-8-0x00000000085A0000-0x00000000085A1000-memory.dmp
    Filesize

    4KB

  • memory/3992-17-0x00000000089B0000-0x00000000089BF000-memory.dmp
    Filesize

    60KB

  • memory/3992-10-0x0000000008550000-0x000000000858A000-memory.dmp
    Filesize

    232KB

  • memory/3992-11-0x0000000008620000-0x0000000008621000-memory.dmp
    Filesize

    4KB

  • memory/3992-12-0x0000000008A40000-0x0000000008A41000-memory.dmp
    Filesize

    4KB

  • memory/3992-6-0x0000000004DF0000-0x0000000004DF1000-memory.dmp
    Filesize

    4KB

  • memory/3992-5-0x00000000054D0000-0x00000000054D1000-memory.dmp
    Filesize

    4KB

  • memory/3992-2-0x0000000073920000-0x000000007400E000-memory.dmp
    Filesize

    6.9MB

  • memory/3992-3-0x0000000000400000-0x0000000000401000-memory.dmp
    Filesize

    4KB

  • memory/4008-15-0x0000000000F60000-0x0000000000F61000-memory.dmp
    Filesize

    4KB

  • memory/4008-16-0x0000000006E10000-0x0000000006E11000-memory.dmp
    Filesize

    4KB

  • memory/4008-14-0x0000000073920000-0x000000007400E000-memory.dmp
    Filesize

    6.9MB

  • memory/4008-18-0x0000000007470000-0x0000000007471000-memory.dmp
    Filesize

    4KB

  • memory/4008-23-0x0000000007660000-0x0000000007661000-memory.dmp
    Filesize

    4KB

  • memory/4008-21-0x0000000007510000-0x0000000007511000-memory.dmp
    Filesize

    4KB

  • memory/4008-13-0x0000000000000000-mapping.dmp
  • memory/4008-27-0x00000000075E0000-0x00000000075E1000-memory.dmp
    Filesize

    4KB

  • memory/4008-28-0x0000000007EB0000-0x0000000007EB1000-memory.dmp
    Filesize

    4KB

  • memory/4008-30-0x0000000008F00000-0x0000000008F01000-memory.dmp
    Filesize

    4KB

  • memory/4008-31-0x0000000008BB0000-0x0000000008BB1000-memory.dmp
    Filesize

    4KB

  • memory/4008-32-0x0000000008C20000-0x0000000008C21000-memory.dmp
    Filesize

    4KB