General

  • Target

    5317048698830848.zip

  • Size

    6.0MB

  • Sample

    211216-xeq5xscga3

  • MD5

    3fcd3282025425bc4399e1e31bfee2da

  • SHA1

    a076249925b6469a5a175b98ac74535fc1c164f0

  • SHA256

    669ae7546f43d4f4c06680ccf97908e524ad1ccd818d13e2cc8460619ce753a3

  • SHA512

    0610df228fe965062df687b196f09b46d1e2d6ad7fa83d362252391cc34c644ac1dcb6796f36b9497f5d6c22afda891d4a98eba69ac8b28155ad724f68e2f31c

Malware Config

Extracted

Family

socelars

C2

http://www.yarchworkshop.com/

Extracted

Family

smokeloader

Version

2020

C2

http://rcacademy.at/upload/

http://e-lanpengeonline.com/upload/

http://vjcmvz.cn/upload/

http://galala.ru/upload/

http://witra.ru/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

49.1

Botnet

915

C2

https://noc.social/@sergeev46

https://c.im/@sergeev47

Attributes
  • profile_id

    915

Extracted

Family

redline

Botnet

v2user1

C2

159.69.246.184:13127

Extracted

Family

redline

Botnet

media14n

C2

65.108.69.168:13293

Targets

    • Target

      7e937f29320a38d6ed0e384bc19cc45dd3b06c32edb635a905663d063d226277

    • Size

      6.0MB

    • MD5

      86ccfd1a65f0462d8e9f0f6f8afdfb56

    • SHA1

      81d24059fc2153dcee703c5a15ddbf05bdf40dc0

    • SHA256

      7e937f29320a38d6ed0e384bc19cc45dd3b06c32edb635a905663d063d226277

    • SHA512

      a57371adebbe59510b6068f8b204ab296d34f8f0bdc97926ed2c239ff5d4d4521cc2b7fbd39cd26045a219754a087dca9e0f07189fafbeb77f93c3da2d467372

    • Modifies Windows Defender Real-time Protection settings

    • 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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • 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

    • Looks up external IP address via web service

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

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

4
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks