General

  • Target

    PhasmophobiaCloud.rar

  • Size

    15KB

  • Sample

    220905-q3dfeaceh9

  • MD5

    7bd746f9c8535ab26c16e8d8de2a4c94

  • SHA1

    4e7eb424ae0da611035e849f82f568193f9283b2

  • SHA256

    c8a76d75b71829e36543b0280eef65cfa88a4d1dcc2a58d1dadd3dbb96f2aa57

  • SHA512

    4fa96e64a4399b1523ddc258a179ed40c0b79c84652a6f4e43f94e291d035d57b4cbba695446ae241e58b712631fc297a47b722b64cbd9385eaf646db1d8722b

  • SSDEEP

    384:57CcLaksdr+jVqcOzvVo9v9vCj94GOuEn3bY7Buk:53Ca01V49+OuE3EJ

Malware Config

Extracted

Family

redline

Botnet

log

C2

195.3.223.79:33189

Targets

    • Target

      PhasmophobiaCloud.bat

    • Size

      24KB

    • MD5

      1ae41cc13e1cb3aa4f2985ea9c9b8aa8

    • SHA1

      e237b3d0c7d21e9040de93f8713d28b4869991ba

    • SHA256

      48df2cb61d5530bfe02eb87fc3b837070f9d225175aa4dd08b2cf907d8d0bf41

    • SHA512

      f056a50d6bdb994e65cb8e321f72e7de94d556a0560ba8c6aed7df58077daac873243a00f7360db7de5cc8ab904c452b562564e4a75c50f4f08aec9ebfd5c6c8

    • SSDEEP

      384:n+1nSZBq9TfSaKScpLPfSgr34sow06KIZpg3dhC8H6NU/Q9Pq/b4uUIWIU6Jnlxb:nLa3KSEf54s7K4q3BpItKdnlu0p

    • DcRat

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

    • Modifies security service

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Possible privilege escalation attempt

    • Stops running service(s)

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Modifies file permissions

    • 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

    • 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 v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Scheduled Task

1
T1053

Hidden Files and Directories

1
T1158

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

Hidden Files and Directories

1
T1158

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks