General

  • Target

    NEAS.3cbd3e3e72635ea641b33fe77996d180_JC.exe

  • Size

    1.5MB

  • Sample

    231103-gbjcxaeg29

  • MD5

    3cbd3e3e72635ea641b33fe77996d180

  • SHA1

    c4c440f08796947f6e8a0fa64fcd4c675901a7ed

  • SHA256

    5e28747dd875e98a37142b88afc399cd2298e0943976c542dd8f67c4f5dfd2c6

  • SHA512

    da92b16b9dbb51b146230f96f4efe5b92d75488d9554f2bb0a1909fdd6e9e19d8cc063d9a4d153050ce0c4a2c35229f3cbd11e51f677a82a8ab2e428921cca4c

  • SSDEEP

    49152:YaKW5BKf1AfHE/uuMeS0NX30uOHtZIYoQ:24HEceS0d0MYo

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

Extracted

Family

redline

Botnet

@ytlogsbot

C2

194.169.175.235:42691

Extracted

Family

redline

Botnet

pixelnew2.0

C2

194.49.94.11:80

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Targets

    • Target

      NEAS.3cbd3e3e72635ea641b33fe77996d180_JC.exe

    • Size

      1.5MB

    • MD5

      3cbd3e3e72635ea641b33fe77996d180

    • SHA1

      c4c440f08796947f6e8a0fa64fcd4c675901a7ed

    • SHA256

      5e28747dd875e98a37142b88afc399cd2298e0943976c542dd8f67c4f5dfd2c6

    • SHA512

      da92b16b9dbb51b146230f96f4efe5b92d75488d9554f2bb0a1909fdd6e9e19d8cc063d9a4d153050ce0c4a2c35229f3cbd11e51f677a82a8ab2e428921cca4c

    • SSDEEP

      49152:YaKW5BKf1AfHE/uuMeS0NX30uOHtZIYoQ:24HEceS0d0MYo

    • 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.

    • 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

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • 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 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.

    • 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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

3
T1543

Windows Service

3
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

3
T1543

Windows Service

3
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

2
T1562

Disable or Modify Tools

1
T1562.001

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks