Analysis

  • max time kernel
    55s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    08/05/2023, 16:21

General

  • Target
    RFQ# 6000163267.IMG.exe
  • Size 969KB
  • Sample230508-ttm52adc8x
  • SHA256 e33ad76851f23305a18b0db3a98c45280c581505da95f701e265a8479713c3ff
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.7B

Botnet
  • Default

C2
  • 209.90.234.22:6606

  • 209.90.234.22:7707

  • 209.90.234.22:8808

Mutex
  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Async RAT payload 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ# 6000163267.IMG.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ# 6000163267.IMG.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1380

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
        • Size 62KB
        • SHA256 d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904
        • MD5 SHA1 SHA512 SSDEEP

        TarCBEF.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\TarCBEF.tmp
        • Size 164KB
        • SHA256 c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6
        • MD5 SHA1 SHA512 SSDEEP

        memory/1380-54-0x00000000003E0000-0x00000000003F5000-memory.dmp

        memory/1380-55-0x0000000028260000-0x0000000028272000-memory.dmp

        memory/1380-56-0x0000000041660000-0x00000000416E0000-memory.dmp

        memory/1380-57-0x0000000041660000-0x00000000416E0000-memory.dmp

        memory/1380-58-0x0000000041660000-0x00000000416E0000-memory.dmp

        memory/1380-76-0x0000000041660000-0x00000000416E0000-memory.dmp

        memory/1380-77-0x0000000028480000-0x00000000284A6000-memory.dmp

        memory/1380-98-0x0000000041660000-0x00000000416E0000-memory.dmp