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General

  • Target

    3b76e79518bbfaf98fa6a051c3b72020.bin

  • Size

    1.5MB

  • Sample

    231023-lgflesfd6w

  • MD5

    de81add4b61f1578e0fd33b43c113d78

  • SHA1

    500bc475b4adceddb2af363dd27ca95447ec4efd

  • SHA256

    46f313c1250781a94c90b4d5cdaab7105c0a1ded12773affa78a482a5fe9e70a

  • SHA512

    0eecce8ee9e5cb1aba6a025fe92cf93dded1f6d5676c6bee2386e2f59650290300a0da54d2d5e1186daa5004b582d381d433a6a1f6ab2055187e88ddf5c7a509

  • SSDEEP

    24576:/PnnrzQ+LYjqepQeB11t6UecO2t4XyL1GRg5+97/qq+kFlQ5s3EfETy2ZTV3:HfPLGHpQaPMlciXyFUxq2fQ5ZfET9ZTl

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

supera

C2

77.91.124.82:19071

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

homed

C2

109.107.182.133:19084

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

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

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Targets

    • Target

      5950bc250aea30acdbd275a5c615555bff8401d295d80feae8dedbb8b1957402.exe

    • Size

      1.5MB

    • MD5

      3b76e79518bbfaf98fa6a051c3b72020

    • SHA1

      f30d3b25523eb799be9d2964184b228c03a10a68

    • SHA256

      5950bc250aea30acdbd275a5c615555bff8401d295d80feae8dedbb8b1957402

    • SHA512

      8dbbc7c1cfd545228dd64089d3ed00e1652ac755eae7c98ebf2d5b32bf7657752a3583613a7bc1aef62f89f9f388c21acb77e5f36f6aef6735e5c2ac615aaf4b

    • SSDEEP

      24576:ry/yJykxCHQv8+RsVei2TQNlfTuB3svH3C7VLUlSIdEV1vymPfQWvMVdQrlq0S:e24G/Cei2Klfqmf3COSlBBkdYw

    • 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.

    • Detected google phishing page

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Defender Real-time Protection settings

    • 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

    • Windows security bypass

    • Async RAT payload

    • Modifies boot configuration data using bcdedit

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks