Resubmissions

28-09-2023 19:13

230928-xxc11sdf8x 10

28-09-2023 19:04

230928-xqyddadf3z 10

General

  • Target

    519c155a7b6ba85b358c60d57ac82b68f8272871e692309c611acbfd985be469_JC.exe

  • Size

    236KB

  • Sample

    230928-xqyddadf3z

  • MD5

    03cc199eb9c15cf8467c4fa0bfeb4ef8

  • SHA1

    736b2e6b0d7863455b9373a3fb8042296a2c9d6f

  • SHA256

    519c155a7b6ba85b358c60d57ac82b68f8272871e692309c611acbfd985be469

  • SHA512

    b7de0b4e9bf02d2b73253370f484a70b288292a95799837fd66371eb97254fa9c131e8d590d22231b54f0dbb072a1cf0b9be156de0e4f2c44d2ff4c75487fe28

  • SSDEEP

    6144:AyCiN7Gvda4NsjH5wzz0mAOaBWCz9Yflg3viKC:AyrGvda4+mAjz9YUiKC

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

redline

Botnet

YT LOGS CLOUD

C2

176.123.4.46:33783

Attributes
  • auth_value

    f423cd8452a39820862c1ea501db4ccf

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Extracted

Family

fabookie

C2

http://app.nnnaajjjgc.com/check/safe

Extracted

Family

redline

Botnet

luate

C2

77.91.124.55:19071

Attributes
  • auth_value

    e45cd419aba6c9d372088ffe5629308b

Extracted

Family

redline

Botnet

gruha

C2

77.91.124.55:19071

Attributes
  • auth_value

    2f4cf2e668a540e64775b27535cc6892

Targets

    • Target

      519c155a7b6ba85b358c60d57ac82b68f8272871e692309c611acbfd985be469_JC.exe

    • Size

      236KB

    • MD5

      03cc199eb9c15cf8467c4fa0bfeb4ef8

    • SHA1

      736b2e6b0d7863455b9373a3fb8042296a2c9d6f

    • SHA256

      519c155a7b6ba85b358c60d57ac82b68f8272871e692309c611acbfd985be469

    • SHA512

      b7de0b4e9bf02d2b73253370f484a70b288292a95799837fd66371eb97254fa9c131e8d590d22231b54f0dbb072a1cf0b9be156de0e4f2c44d2ff4c75487fe28

    • SSDEEP

      6144:AyCiN7Gvda4NsjH5wzz0mAOaBWCz9Yflg3viKC:AyrGvda4+mAjz9YUiKC

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Fabookie payload

    • Detects Healer an antivirus disabler dropper

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

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

    • Glupteba payload

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • Mystic

      Mystic is an infostealer written in C++.

    • 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

    • Modifies Windows Firewall

    • 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.

    • Uses the VBS compiler for execution

    • 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.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scripting

1
T1064

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

2
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Scripting

1
T1064

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

Tasks