General

  • Target

    NEAS.d4d0c42bbfa13c0ab600d72198a95580_JC.exe

  • Size

    1.2MB

  • Sample

    231105-d2alxacc75

  • MD5

    d4d0c42bbfa13c0ab600d72198a95580

  • SHA1

    b5659e95591b329ed7e21536c80c72dfbc958150

  • SHA256

    5d9c968b49dc856c5e41e8d8d3512b244461405eb60951cc6970e0242b18d695

  • SHA512

    5494297170cb99a5282536f5533311a8757294816c256842c09be5a373687ac74a8fe11976e23ab96f124dbc87195540530864c09edfb4d93b8f125923f3543d

  • SSDEEP

    24576:ayexhVM/ncnNLJoz6OeYRYm7Wtdrs2ZelDZuJX:hA7MvgS6OeYRYm7Wtm2ZelDYJ

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

Targets

    • Target

      NEAS.d4d0c42bbfa13c0ab600d72198a95580_JC.exe

    • Size

      1.2MB

    • MD5

      d4d0c42bbfa13c0ab600d72198a95580

    • SHA1

      b5659e95591b329ed7e21536c80c72dfbc958150

    • SHA256

      5d9c968b49dc856c5e41e8d8d3512b244461405eb60951cc6970e0242b18d695

    • SHA512

      5494297170cb99a5282536f5533311a8757294816c256842c09be5a373687ac74a8fe11976e23ab96f124dbc87195540530864c09edfb4d93b8f125923f3543d

    • SSDEEP

      24576:ayexhVM/ncnNLJoz6OeYRYm7Wtdrs2ZelDZuJX:hA7MvgS6OeYRYm7Wtm2ZelDYJ

    • Amadey

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

    • 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

    • Adds Run key to start application

    • 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

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Tasks