General

  • Target

    ORDER-02188.exe

  • Size

    403KB

  • Sample

    210408-ehq5rvrvvj

  • MD5

    ac170d15a4107a0fd5982449c2a8d1ee

  • SHA1

    da5b603c30d0f238ac19e9b32e6bc622dcbfa13b

  • SHA256

    790024e6d1d28358876403d4b30aa4ff47c162bcd91db81776185ab88d20c511

  • SHA512

    224e25782e75936b3ccc7b134b3f9b0faa6dfb49b749420273380cb3cadbdf6cfe44eebd2ce825f9ed0734f2cde328f1f0034f7a4ccd87f8cc5dddb8ef792689

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

chongmei33.publicvm.com:2703

chongmei33.publicvm.com:49703

chongmei33.publicvm.com:49746

185.165.153.116:2703

185.165.153.116:49703

185.165.153.116:49746

54.37.36.116:2703

54.37.36.116:49703

54.37.36.116:49746

185.244.30.92:2703

185.244.30.92:49703

185.244.30.92:49746

dongreg202020.duckdns.org:2703

dongreg202020.duckdns.org:49703

dongreg202020.duckdns.org:49746

178.33.222.241:2703

178.33.222.241:49703

178.33.222.241:49746

rahim321.duckdns.org:2703

rahim321.duckdns.org:49703

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • aes_key

    hGScKRB0VrlS4WpFo0N7AmnZQApV4qsi

  • anti_detection

    false

  • autorun

    false

  • bdos

    false

  • delay

    FEB

  • 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,79.134.225.92,37.120.208.36,178.33.222.243,87.98.245.48

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    AsyncMutex_6SI8OkPnk

  • pastebin_config

    null

  • port

    2703,49703,49746

  • version

    0.5.7B

aes.plain

Targets

    • Target

      ORDER-02188.exe

    • Size

      403KB

    • MD5

      ac170d15a4107a0fd5982449c2a8d1ee

    • SHA1

      da5b603c30d0f238ac19e9b32e6bc622dcbfa13b

    • SHA256

      790024e6d1d28358876403d4b30aa4ff47c162bcd91db81776185ab88d20c511

    • SHA512

      224e25782e75936b3ccc7b134b3f9b0faa6dfb49b749420273380cb3cadbdf6cfe44eebd2ce825f9ed0734f2cde328f1f0034f7a4ccd87f8cc5dddb8ef792689

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • Modifies Windows Defender Real-time Protection settings

    • Turns off Windows Defender SpyNet reporting

    • UAC bypass

    • Windows security bypass

    • Async RAT payload

    • Nirsoft

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

5
T1089

Bypass User Account Control

1
T1088

Discovery

System Information Discovery

2
T1082

Tasks