General

  • Target

    NEAS.NEASfc283fa4ac8ac1fe7916a702761fe246fc0437c62da63a872fa7097bc183abe9exeexe_JC.exe

  • Size

    939KB

  • Sample

    231022-rn8hnshe6s

  • MD5

    a277207875ed5258e8a11b421fc1f8a8

  • SHA1

    f7851735493967622e7141380247f81e4fe28220

  • SHA256

    fc283fa4ac8ac1fe7916a702761fe246fc0437c62da63a872fa7097bc183abe9

  • SHA512

    1e14687b21f5bc7606135d3cd6ffe795978c7548321cce6eab4af747da26b83df626fc3dc7048d6b1694fb79b983980ca937f60533e212af17dee9461249a053

  • SSDEEP

    12288:PKKtxFlrG+wwJMRrxbhxJgSSBxi7wGez9OOdj83fj/zl87uD3ICKla7NOS1J:SCo+XJMRrxbhxJgSYFDz9OOuvjxwM8

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

homed

C2

109.107.182.133:19084

Extracted

Family

amadey

Version

3.89

C2

http://77.91.124.1/theme/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

rc4.plain

Extracted

Family

redline

Botnet

kinder

C2

109.107.182.133:19084

Extracted

Family

redline

Botnet

5141679758_99

C2

https://pastebin.com/raw/8baCJyMF

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

redline

Botnet

YT&TEAM CLOUD

C2

185.216.70.238:37515

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

89.23.100.93:4449

Mutex

oonrejgwedvxwse

Attributes
  • delay

    1

  • install

    true

  • install_file

    calc.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      NEAS.NEASfc283fa4ac8ac1fe7916a702761fe246fc0437c62da63a872fa7097bc183abe9exeexe_JC.exe

    • Size

      939KB

    • MD5

      a277207875ed5258e8a11b421fc1f8a8

    • SHA1

      f7851735493967622e7141380247f81e4fe28220

    • SHA256

      fc283fa4ac8ac1fe7916a702761fe246fc0437c62da63a872fa7097bc183abe9

    • SHA512

      1e14687b21f5bc7606135d3cd6ffe795978c7548321cce6eab4af747da26b83df626fc3dc7048d6b1694fb79b983980ca937f60533e212af17dee9461249a053

    • SSDEEP

      12288:PKKtxFlrG+wwJMRrxbhxJgSSBxi7wGez9OOdj83fj/zl87uD3ICKla7NOS1J:SCo+XJMRrxbhxJgSYFDz9OOuvjxwM8

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • AsyncRat

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

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RedLine

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

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Async RAT payload

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • Checks computer location settings

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

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks