General

  • Target

    cf64d94843b984530750f92cb194db3c93e5c9be37630d3eb480ca025bfcb883.zip

  • Size

    2.5MB

  • Sample

    230329-q7xpvaab81

  • MD5

    ea30610bb2ce4379ca2680ff02680eba

  • SHA1

    8b5195e566464911bab1ebd349e3250ee6faab10

  • SHA256

    1e9b18c250bf347ec33d37e7794a5f6cb2ede17ceb61887e09a0cab5ebf5c7f3

  • SHA512

    1f5f88e116a61948b51a332ad2bee01368eccb836c9e47ce5ada26224bb8182c185c059d1b2881a98a6942e46d820f2a915d5c85bef1926302c7784d55acef49

  • SSDEEP

    49152:3R69h4AnafNVcGZYATnfasmOyADPHw9rwMGkWQyZrwk:g6AkNiQYAzowHw9wWWQ8wk

Malware Config

Targets

    • Target

      cf64d94843b984530750f92cb194db3c93e5c9be37630d3eb480ca025bfcb883

    • Size

      3.7MB

    • MD5

      74587768590d78744339c9fe354a9d01

    • SHA1

      753d9c0a0d9377e97b7507945fa0d7884a76d6cc

    • SHA256

      cf64d94843b984530750f92cb194db3c93e5c9be37630d3eb480ca025bfcb883

    • SHA512

      f5064178cca35fa8e037ccfd70b15a8b43a92dc345e89e3547d91146254796efcbc593483c4da9bce659f66b549747472089af43d8c8347fc6763eb36f6fec08

    • SSDEEP

      49152:rITh90Nac2vLNgeryROCmmfn8jopu+wlIRK9GOi3iUJVNR97usxJ6:92DNgery8aun2mGOei+NNxJ

    • AsyncRat

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

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • Async RAT payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Command and Control

Web Service

1
T1102

Tasks