Resubmissions

14-03-2021 10:17

210314-fsh5gvfbqx 10

31-10-2020 16:07

201031-jhx64f88en 10

01-10-2020 20:46

201001-nyhbt4p25j 10

01-10-2020 20:45

201001-c3xkyk1ytn 10

01-10-2020 20:43

201001-j5wlprfb6a 10

23-09-2020 09:23

200923-31plnbj8kx 10

07-09-2020 15:39

200907-ttv28yxx3e 10

07-09-2020 15:39

200907-n38qzysfy6 10

07-09-2020 15:38

200907-9llegynkjx 10

07-09-2020 15:31

200907-3xqj79j9gx 10

General

  • Target

    Keygen.exe

  • Size

    849KB

  • Sample

    201031-jhx64f88en

  • MD5

    dbde61502c5c0e17ebc6919f361c32b9

  • SHA1

    189749cf0b66a9f560b68861f98c22cdbcafc566

  • SHA256

    88cad5f9433e50af09ac9cad9db06e9003e85be739060b88b64186c05c0d636b

  • SHA512

    d9b8537f05844ec2f2549e2049e967a8023bfe432e3a9cf25fc0f7ad720e57a5830be733e1812cc806c5b68cd9586a031e394f67fc7e3f7fe390625fd5dedfbb

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

http://zxvbcrt.ug/zxcvb.exe

exe.dropper

http://zxvbcrt.ug/zxcvb.exe

Extracted

Language
ps1
Source
URLs
ps1.dropper

http://bit.do/fqhHT

exe.dropper

http://bit.do/fqhHT

Extracted

Language
ps1
Source
URLs
ps1.dropper

http://pdshcjvnv.ug/zxcvb.exe

exe.dropper

http://pdshcjvnv.ug/zxcvb.exe

Extracted

Language
ps1
Source
URLs
ps1.dropper

http://bit.do/fqhJv

exe.dropper

http://bit.do/fqhJv

Extracted

Language
ps1
Source
URLs
ps1.dropper

http://bit.do/fqhJD

exe.dropper

http://bit.do/fqhJD

Extracted

Language
ps1
Source
URLs
ps1.dropper

http://rbcxvnb.ug/zxcvb.exe

exe.dropper

http://rbcxvnb.ug/zxcvb.exe

Extracted

Family

raccoon

Botnet

c1c278c0447c880955809027efd04ed6a55b2829

Attributes
  • url4cnc

    https://telete.in/brikitiki

rc4.plain
rc4.plain

Extracted

Family

oski

C2

morasergiov.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

      Keygen.exe

    • Size

      849KB

    • MD5

      dbde61502c5c0e17ebc6919f361c32b9

    • SHA1

      189749cf0b66a9f560b68861f98c22cdbcafc566

    • SHA256

      88cad5f9433e50af09ac9cad9db06e9003e85be739060b88b64186c05c0d636b

    • SHA512

      d9b8537f05844ec2f2549e2049e967a8023bfe432e3a9cf25fc0f7ad720e57a5830be733e1812cc806c5b68cd9586a031e394f67fc7e3f7fe390625fd5dedfbb

    • 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

    • ModiLoader Second Stage

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

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

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Tasks