General

  • Target

    b99d5d0e6ebfd38c47b999a704cb2558797ed6b149356075036a0de57fbca261.exe

  • Size

    1MB

  • Sample

    201111-efjc1ll17x

  • MD5

    6d01213c51ed2570b263b28fa4b9f320

  • SHA1

    aa5aa4142ff6de7e5560424d252c2bf234f14651

  • SHA256

    b99d5d0e6ebfd38c47b999a704cb2558797ed6b149356075036a0de57fbca261

  • SHA512

    0ca8354473740c4f6212159f98571eaf3041ea895a3e067b52c9b5e380c948cc5df0fa18171674c35afd5f0bdeb75e676b41a548be1a3e05ed5f7906a8365766

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

agentttt.ac.ug:6970

agentpurple.ac.ug:6970

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • aes_key

    16dw6EDbQkYZp5BTs7cmLUicVtOA4UQr

  • anti_detection

    false

  • autorun

    false

  • bdos

    false

  • delay

    Default

  • host

    agentttt.ac.ug,agentpurple.ac.ug

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    AsyncMutex_6SI8OkPnk

  • pastebin_config

    null

  • port

    6970

  • version

    0.5.7B

aes.plain

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Targets

    • Target

      b99d5d0e6ebfd38c47b999a704cb2558797ed6b149356075036a0de57fbca261.exe

    • Size

      1MB

    • MD5

      6d01213c51ed2570b263b28fa4b9f320

    • SHA1

      aa5aa4142ff6de7e5560424d252c2bf234f14651

    • SHA256

      b99d5d0e6ebfd38c47b999a704cb2558797ed6b149356075036a0de57fbca261

    • SHA512

      0ca8354473740c4f6212159f98571eaf3041ea895a3e067b52c9b5e380c948cc5df0fa18171674c35afd5f0bdeb75e676b41a548be1a3e05ed5f7906a8365766

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Modifies Windows Defender Real-time Protection settings

    • Async RAT payload

    • ModiLoader First Stage

    • ModiLoader Second Stage

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • JavaScript code in executable

    • Modifies service

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

2
T1031

Defense Evasion

Modify Registry

4
T1112

Disabling Security Tools

2
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Tasks