General

  • Target

    a26ec9c94326dcd73b648586e98c5154b4ec9b3530bf55509c3f4f331f09dacf

  • Size

    956KB

  • Sample

    231101-pmn2jaab37

  • MD5

    a8649fd54f10d7b74ffcbabda46f7cef

  • SHA1

    ece348d107a7a13e6704c91c67bf94369c9911dc

  • SHA256

    a26ec9c94326dcd73b648586e98c5154b4ec9b3530bf55509c3f4f331f09dacf

  • SHA512

    034dd19b07dd7dc8786fd8aed8095c0612ed0bbac3a4e0830cf34d4debd00b49ffffdc8c6a288bac9b7e5050ff4c528a415a3a2dda7502982ecf3bf9d2650365

  • SSDEEP

    12288:vyGI7WpMxu1pizamqa+Wswvktm4XH0pDvsT/lCXpud88caUUDDb:vyG4WpMxgpizamqa3swvk0vsT/l

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

http://yvzgz.cyou/index.php

https://yvzgz.cyou/index.php

rc4.i32
rc4.i32
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

kinza

C2

77.91.124.86:19084

Extracted

Family

redline

Botnet

pixelnew

C2

194.49.94.11:80

Extracted

Family

redline

Botnet

@ytlogsbot

C2

194.169.175.235:42691

Extracted

Family

raccoon

Botnet

6a6a005b9aa778f606280c5fa24ae595

C2

http://195.123.218.98:80

http://31.192.23

Attributes
  • user_agent

    SunShineMoonLight

xor.plain

Extracted

Family

smokeloader

Botnet

up3

Targets

    • Target

      a26ec9c94326dcd73b648586e98c5154b4ec9b3530bf55509c3f4f331f09dacf

    • Size

      956KB

    • MD5

      a8649fd54f10d7b74ffcbabda46f7cef

    • SHA1

      ece348d107a7a13e6704c91c67bf94369c9911dc

    • SHA256

      a26ec9c94326dcd73b648586e98c5154b4ec9b3530bf55509c3f4f331f09dacf

    • SHA512

      034dd19b07dd7dc8786fd8aed8095c0612ed0bbac3a4e0830cf34d4debd00b49ffffdc8c6a288bac9b7e5050ff4c528a415a3a2dda7502982ecf3bf9d2650365

    • SSDEEP

      12288:vyGI7WpMxu1pizamqa+Wswvktm4XH0pDvsT/lCXpud88caUUDDb:vyG4WpMxgpizamqa3swvk0vsT/l

    • 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.

    • Detect ZGRat V1

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Modifies Windows Defender Real-time Protection settings

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • Raccoon Stealer payload

    • 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

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • 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.

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Detected potential entity reuse from brand paypal.

    • 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

2
T1543

Windows Service

2
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

2
T1543

Windows Service

2
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

3
T1562

Disable or Modify Tools

2
T1562.001

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

5
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Impact

Service Stop

1
T1489

Tasks