General

  • Target

    220131-tqbb3al1qz_pw_infected.zip

  • Size

    6.7MB

  • Sample

    220201-y2rkmsbeg3

  • MD5

    98f15a4e5a595c31af6f30cb472e8c5e

  • SHA1

    370fc77d73b75b51ae4ee9e860cf097864c7fdde

  • SHA256

    62fe0d20b451de5c3233c96364b4162386fcbfd555cd9fd099fa347c8e61fdfc

  • SHA512

    79e285f180140ed12e069aa683649c02bd9aeecd9ab7754db493b6b4361de27fae36e72217b14bc066dc3759abeb58afc2fb20abaa36753af60c4b3d68e0397a

Malware Config

Extracted

Family

socelars

C2

http://www.iyiqian.com/

http://www.hbgents.top/

http://www.rsnzhy.com/

http://www.znsjis.top/

Extracted

Family

redline

Botnet

she

C2

135.181.129.119:4805

Extracted

Family

redline

Botnet

media14

C2

91.121.67.60:2151

Extracted

Family

redline

Botnet

ANI

C2

194.104.136.5:46013

Targets

    • Target

      02ca2b5bb774890c50950ad93becc2851bac8d04c35464dad4854088c5db4135

    • Size

      6.8MB

    • MD5

      dcd0d8a4e476db4602f3beae6a60b4c9

    • SHA1

      7906d0674d60685b06289db375eacf954e3185e3

    • SHA256

      02ca2b5bb774890c50950ad93becc2851bac8d04c35464dad4854088c5db4135

    • SHA512

      62301111141dcc72862dde4d277b4250c25bb7532105348bbb51e8ca30ded5c985016a61978509c271210faf50cbe5d789ce5f6de84511167b2c5131e8041bd8

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine Payload

    • Socelars

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

    • Socelars Payload

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • 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.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

1
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks