General

  • Target

    NEAS.3e42b7405dfef32619ab2e49a6900190_JC.exe

  • Size

    1.5MB

  • Sample

    231102-qh1efacd41

  • MD5

    3e42b7405dfef32619ab2e49a6900190

  • SHA1

    ce7b88e110a26ada579086a2e442347cbb19bc5c

  • SHA256

    9fc35f62c14250b5afbc84485970f9f56d2caea56d19ae76d8110fd5d89f1d29

  • SHA512

    6269b83714919ea2a61add856c40c330432d181b1c6fea22b6a4de2e411817bbdf9b193598526a233d84e6c4ea3df3e375cc50f71ded1ab0f929bc4aff2b1c73

  • SSDEEP

    24576:nyN4EDVwzSISFr9jqypIiEq2tNvCBBOWH5A92aMEmRo1SqWgYAkVk6dK2HTAdN:yKEB91+ymiEJjoBNH5DElAVvVkAtzAd

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

grome

C2

77.91.124.86:19084

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

plost

C2

77.91.124.86:19084

Extracted

Family

redline

Botnet

kedru

C2

77.91.124.86:19084

Targets

    • Target

      NEAS.3e42b7405dfef32619ab2e49a6900190_JC.exe

    • Size

      1.5MB

    • MD5

      3e42b7405dfef32619ab2e49a6900190

    • SHA1

      ce7b88e110a26ada579086a2e442347cbb19bc5c

    • SHA256

      9fc35f62c14250b5afbc84485970f9f56d2caea56d19ae76d8110fd5d89f1d29

    • SHA512

      6269b83714919ea2a61add856c40c330432d181b1c6fea22b6a4de2e411817bbdf9b193598526a233d84e6c4ea3df3e375cc50f71ded1ab0f929bc4aff2b1c73

    • SSDEEP

      24576:nyN4EDVwzSISFr9jqypIiEq2tNvCBBOWH5A92aMEmRo1SqWgYAkVk6dK2HTAdN:yKEB91+ymiEJjoBNH5DElAVvVkAtzAd

    • Amadey

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

    • DcRat

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

    • 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.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Detected potential entity reuse from brand paypal.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Tasks