General

  • Target

    NEAS.58819797b2d944a25c3b7aa36af2fb16f7c8b4fd36cca4f2a241aa6d62b2945d.exe

  • Size

    1.4MB

  • Sample

    231106-22laeahf97

  • MD5

    f3954f09295d06335add88614fdc5c11

  • SHA1

    3b77942e43cda301fcd783dbecb04b930c2ca92b

  • SHA256

    58819797b2d944a25c3b7aa36af2fb16f7c8b4fd36cca4f2a241aa6d62b2945d

  • SHA512

    46ba920f3619edccdd6dcc982bf094d903879e5113029e2f84c32bfc3ab4ca936ba829fd264ced16c7faa286448a79c52719f80203b669f94260cdc092f7daad

  • SSDEEP

    24576:Iy9zWQp41vJ7qEjXnxvfqf0kNIihSRYPNthwEuAGxzcOGyrs7MoAgp5:PLQvJ7bxvS8OhSwwEXGxzcOGyYjt

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.58819797b2d944a25c3b7aa36af2fb16f7c8b4fd36cca4f2a241aa6d62b2945d.exe

    • Size

      1.4MB

    • MD5

      f3954f09295d06335add88614fdc5c11

    • SHA1

      3b77942e43cda301fcd783dbecb04b930c2ca92b

    • SHA256

      58819797b2d944a25c3b7aa36af2fb16f7c8b4fd36cca4f2a241aa6d62b2945d

    • SHA512

      46ba920f3619edccdd6dcc982bf094d903879e5113029e2f84c32bfc3ab4ca936ba829fd264ced16c7faa286448a79c52719f80203b669f94260cdc092f7daad

    • SSDEEP

      24576:Iy9zWQp41vJ7qEjXnxvfqf0kNIihSRYPNthwEuAGxzcOGyrs7MoAgp5:PLQvJ7bxvS8OhSwwEXGxzcOGyYjt

    • 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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks