Overview

overview

10

Static

static

Confirmati...85.exe

windows7_x64

10

Confirmati...85.exe

windows10_x64

10

Analysis

  • max time kernel
    120s
  • max time network
    169s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    21-10-2021 06:20

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General

  • Target

    Confirmation Transfer Copy MT103-Ref#000103020085.exe

  • Size

    313KB

  • MD5

    577cb278b982cab858f7d5a2c69b1e1a

  • SHA1

    76d295851887ebd06e5c646baf22c872f6bdb217

  • SHA256

    e29d5463d32d4dcaf25d090f1b61b137894ebd38ac952af2ecbde35b6ed2667e

  • SHA512

    3b6700e30e4dba2768b9bcdc4f4a4618d483b47fefa64383d274ca71e3f7ce658401a70d9497a9a4db6e04edc22f5ff60c3088261a469af349085a70d63d3433

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

fresh01.ddns.net:2245

fresh01.ddns.net:2256

fresh01.ddns.net:2257
Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • anti_vm

    false

  • bsod

    false

  • delay

    3

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    null

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

    ratasyncrat
  • Async RAT payload 5 IoCs
    rat
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Confirmation Transfer Copy MT103-Ref#000103020085.exe
    "C:\Users\Admin\AppData\Local\Temp\Confirmation Transfer Copy MT103-Ref#000103020085.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IUYIGiDmXAm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80C4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:548
    • C:\Users\Admin\AppData\Local\Temp\Confirmation Transfer Copy MT103-Ref#000103020085.exe
      "C:\Users\Admin\AppData\Local\Temp\Confirmation Transfer Copy MT103-Ref#000103020085.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1176

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/548-59-0x0000000000000000-mapping.dmp
    Download
  • memory/1176-64-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

    Download
  • memory/1176-60-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

    Download
  • memory/1176-61-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

    Download
  • memory/1176-62-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

    Download
  • memory/1176-65-0x000000000040C74E-mapping.dmp
    Download
  • memory/1176-63-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

    Download
  • memory/1176-66-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

    Download
  • memory/1176-69-0x00000000047D0000-0x00000000047D1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1368-56-0x00000000008D0000-0x00000000008D7000-memory.dmp
    Filesize

    28KB

    Download
  • memory/1368-57-0x0000000004D50000-0x0000000004D51000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1368-58-0x00000000011D0000-0x00000000011FD000-memory.dmp
    Filesize

    180KB

    Download
  • memory/1368-55-0x00000000768C1000-0x00000000768C3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1368-53-0x00000000012A0000-0x00000000012A1000-memory.dmp
    Filesize

    4KB

    Download