General

  • Target

    5AEEB53A492389BFAAA1A2D15B98324C159DED6CD2E55.exe

  • Size

    4.1MB

  • Sample

    220129-n9rv9sbba3

  • MD5

    dd7dcb489754da3c757a58efef55690e

  • SHA1

    2a4dacdb64d3f3c7dea9eb9f5a2f038e171725dc

  • SHA256

    5aeeb53a492389bfaaa1a2d15b98324c159ded6cd2e55dd67efb3eba6e4ee270

  • SHA512

    c595eb90f0a4b72080cc5a803d9fbfdb39675f1c0943e62819975990aad916fc7f522cfba69aaec376a3311d51d334d71e192a2ecaf1ef13cea91a73f3d7547a

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

media8

C2

91.121.67.60:2151

Extracted

Family

redline

Botnet

sehrish

C2

135.181.129.119:4805

Targets

    • Target

      5AEEB53A492389BFAAA1A2D15B98324C159DED6CD2E55.exe

    • Size

      4.1MB

    • MD5

      dd7dcb489754da3c757a58efef55690e

    • SHA1

      2a4dacdb64d3f3c7dea9eb9f5a2f038e171725dc

    • SHA256

      5aeeb53a492389bfaaa1a2d15b98324c159ded6cd2e55dd67efb3eba6e4ee270

    • SHA512

      c595eb90f0a4b72080cc5a803d9fbfdb39675f1c0943e62819975990aad916fc7f522cfba69aaec376a3311d51d334d71e192a2ecaf1ef13cea91a73f3d7547a

    • 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

    • Socelars

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

    • Socelars Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks