Resubmissions

25-06-2021 19:15

210625-s7px2e1ylj 10

17-01-2021 18:16

210117-4q77zkpy6a 10

17-01-2021 18:07

210117-fnx6sxj5es 10

14-01-2021 22:32

210114-n63wfq34e6 10

General

  • Target

    Myrondscsesfscses777.exe

  • Size

    1.3MB

  • Sample

    210117-4q77zkpy6a

  • MD5

    1ddf556a4abb7bebcb0307188342d4ab

  • SHA1

    a7bf13043b96982af855e2742fe82b004b629bfb

  • SHA256

    5db96b0ee43594af4cde84cec550269e66d311cfa59d63095a00c0b9d5e40f4b

  • SHA512

    866e1591477cdbc057e800ce618776dd75656611e040a601de9cec8765a06a2dad21d5ffb924cbce290b0f84aa92569378a6578b323fdc3aab622a94169072d1

Malware Config

Extracted

Family

raccoon

Botnet

311be0bee3a0be24f3cf9135a2ea0dd269c9c675

Attributes
  • url4cnc

    https://telete.in/brikitiki

rc4.plain
rc4.plain

Extracted

Family

oski

C2

regay.ac.ug

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

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

Targets

    • Target

      Myrondscsesfscses777.exe

    • Size

      1.3MB

    • MD5

      1ddf556a4abb7bebcb0307188342d4ab

    • SHA1

      a7bf13043b96982af855e2742fe82b004b629bfb

    • SHA256

      5db96b0ee43594af4cde84cec550269e66d311cfa59d63095a00c0b9d5e40f4b

    • SHA512

      866e1591477cdbc057e800ce618776dd75656611e040a601de9cec8765a06a2dad21d5ffb924cbce290b0f84aa92569378a6578b323fdc3aab622a94169072d1

    • 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

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • Async RAT payload

    • ModiLoader First Stage

    • Downloads MZ/PE file

    • 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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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)

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

4
T1112

Disabling Security Tools

2
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks