General

  • Target

    8e84fa4f3e50e2bdc357c348b923a8b4.exe

  • Size

    210KB

  • Sample

    201129-lrzdvelwhx

  • MD5

    8e84fa4f3e50e2bdc357c348b923a8b4

  • SHA1

    8ccc6b05df9cd2ab9275e2848a997176b3cd41c8

  • SHA256

    0fd2b5dba8eb6762b397cf61bd9c2ff9de3eefc8eb8c4cbb1002d1b9c96fe5d1

  • SHA512

    cab0b936c6834068a94d55a7c3172b3b27766ddd41d5422ec2e4b1f2c0f39fa12f1258c4dc5483f061b635976ce398b91d274fbab812b64657ea3eb06e5dc81c

Malware Config

Extracted

Language ps1
Source
URLs
ps1.dropper

http://kfdhsa.ru/asdfg.exe

exe.dropper

http://kfdhsa.ru/asdfg.exe

Extracted

Language ps1
Source
URLs
ps1.dropper

http://nicoslag.ru/asdfg.exe

exe.dropper

http://nicoslag.ru/asdfg.exe

Extracted

Language ps1
Source
URLs
ps1.dropper

http://bit.do/e5K5i

exe.dropper

http://bit.do/e5K5i

Extracted

Language ps1
Source
URLs
ps1.dropper

http://bit.do/e5K4M

exe.dropper

http://bit.do/e5K4M

Extracted

Language ps1
Source
URLs
ps1.dropper

http://bit.do/e5K4b

exe.dropper

http://bit.do/e5K4b

Extracted

Language ps1
Source
URLs
ps1.dropper

http://bratiop.ru/asdfg.exe

exe.dropper

http://bratiop.ru/asdfg.exe

Extracted

Family

raccoon

Botnet

5e4db353b88c002ba6466c06437973619aad03b3

Attributes
url4cnc
https://telete.in/brikitiki
rc4.plain
rc4.plain

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

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

      8e84fa4f3e50e2bdc357c348b923a8b4.exe

    • Size

      210KB

    • MD5

      8e84fa4f3e50e2bdc357c348b923a8b4

    • SHA1

      8ccc6b05df9cd2ab9275e2848a997176b3cd41c8

    • SHA256

      0fd2b5dba8eb6762b397cf61bd9c2ff9de3eefc8eb8c4cbb1002d1b9c96fe5d1

    • SHA512

      cab0b936c6834068a94d55a7c3172b3b27766ddd41d5422ec2e4b1f2c0f39fa12f1258c4dc5483f061b635976ce398b91d274fbab812b64657ea3eb06e5dc81c

    • 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.

    • 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

    • 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

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix

Command and Control

    Credential Access

    Execution

      Exfiltration

        Impact

          Initial Access

            Lateral Movement

              Privilege Escalation

                Tasks