Overview

overview

10

Static

static

HY_RAY_RFQ,pdf .exe

windows7_x64

10

HY_RAY_RFQ,pdf .exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    16-01-2021 07:36

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    HY_RAY_RFQ,pdf .exe

  • Size

    812KB

  • MD5

    16e55e5dbbf48b3f0d453ac7fcccd908

  • SHA1

    7705956e0cf0d5d3e0429c1539dfc204e01c7d87

  • SHA256

    f641d9449ad546a0e9ff2f015ff03f9ce0263867caaef3a5cc462fd9b685b928

  • SHA512

    111812911c27801addb81373f3dcc7c2f3200c44e2ddcca33fe4989bfc81b5fd6662f2db33e0ae79a36787985ed1e6fc756baf8e4dda847111beb134f4afea5d

Score
10/10
asyncratrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

null:null

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • aes_key

    yFdiISTMNVqtdBU1VShPLhZnkF6gdamp

  • anti_detection

    false

  • autorun

    false

  • bdos

    false

  • delay

    billion

  • host

    null

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    AsyncMutex_6SI8OkPnk

  • pastebin_config

    https://pastebin.com/raw/Q5Dxj1fY

  • port

    null

  • version

    0.5.7B

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

    ratasyncrat
  • Async RAT payload 2 IoCs
    rat
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HY_RAY_RFQ,pdf .exe
    "C:\Users\Admin\AppData\Local\Temp\HY_RAY_RFQ,pdf .exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4684
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\etElxxOddDniUS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp29C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:636
    • C:\Users\Admin\AppData\Local\Temp\HY_RAY_RFQ,pdf .exe
      "C:\Users\Admin\AppData\Local\Temp\HY_RAY_RFQ,pdf .exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:992

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

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\HY_RAY_RFQ,pdf .exe.log
    MD5

    90acfd72f14a512712b1a7380c0faf60

    SHA1

    40ba4accb8faa75887e84fb8e38d598dc8cf0f12

    SHA256

    20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

    SHA512

    29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp29C.tmp
    MD5

    6d3c292a85c2538aa81ee253d077291b

    SHA1

    ea19fde96d6da4b54f45f0bd877817a99105b619

    SHA256

    f671a0b49de2a673ed97bdeb04c54afaf6cf3861f19c265abbb87ff50379e333

    SHA512

    8372d299a0e6e9352fa3f37d3376267095b0e5e71fc165634126ce8194f4eb963b7fd82c8b7fb29e3d0feaf7a4abb6c6643a6f7fe7d0b6b037672814ed5b1a74

    Download Submit
  • memory/636-12-0x0000000000000000-mapping.dmp
    Download
  • memory/992-17-0x0000000073430000-0x0000000073B1E000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/992-15-0x000000000040C77E-mapping.dmp
    Download
  • memory/992-14-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

    Download
  • memory/4684-6-0x0000000005870000-0x0000000005871000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4684-10-0x00000000056D0000-0x00000000056E3000-memory.dmp
    Filesize

    76KB

    Download
  • memory/4684-11-0x0000000001080000-0x00000000010C9000-memory.dmp
    Filesize

    292KB

    Download
  • memory/4684-9-0x00000000055A0000-0x00000000055A1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4684-8-0x0000000005240000-0x0000000005241000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4684-7-0x0000000005370000-0x0000000005371000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4684-2-0x0000000073430000-0x0000000073B1E000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/4684-5-0x0000000005280000-0x0000000005281000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4684-3-0x0000000000970000-0x0000000000971000-memory.dmp
    Filesize

    4KB

    Download