General

  • Target

    NEAS.4e3f52f537fb3b61b27a53a2d12b4390_JC.exe

  • Size

    1.4MB

  • Sample

    231102-s9ps5aed3s

  • MD5

    4e3f52f537fb3b61b27a53a2d12b4390

  • SHA1

    1f0b873c81551fbfb99c0cc2a6c1f8589ec2ebd1

  • SHA256

    e23562e2812c112ceab2d3f2e5c01b65b0a65a7c8e2e7f5b38a5456dea84244d

  • SHA512

    5ec05dbe676cde9d2c4fe27d9aa76c9fca065ad328872d216b037273cc69f0e036cd4578856c46ffadb580ae4a55845eaffcd59b9116984091be282909888a6b

  • SSDEEP

    24576:KyZi2wOJmJRoMxy5jK5KLcuQKDnef1Kit/XSJNPl4yzWMTJn:RHJjMcjGKLKAef1hCJNPltz5

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

kedru

C2

77.91.124.86:19084

Extracted

Family

redline

Botnet

plost

C2

77.91.124.86:19084

Targets

    • Target

      NEAS.4e3f52f537fb3b61b27a53a2d12b4390_JC.exe

    • Size

      1.4MB

    • MD5

      4e3f52f537fb3b61b27a53a2d12b4390

    • SHA1

      1f0b873c81551fbfb99c0cc2a6c1f8589ec2ebd1

    • SHA256

      e23562e2812c112ceab2d3f2e5c01b65b0a65a7c8e2e7f5b38a5456dea84244d

    • SHA512

      5ec05dbe676cde9d2c4fe27d9aa76c9fca065ad328872d216b037273cc69f0e036cd4578856c46ffadb580ae4a55845eaffcd59b9116984091be282909888a6b

    • SSDEEP

      24576:KyZi2wOJmJRoMxy5jK5KLcuQKDnef1Kit/XSJNPl4yzWMTJn:RHJjMcjGKLKAef1hCJNPltz5

    • 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.

    • Detected google phishing page

    • 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.

    • Downloads MZ/PE file

    • 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

3
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