General

  • Target

    5A15ECE1649A5EF54B70B95D9D413BAD068B8C1C932E2.exe

  • Size

    5.8MB

  • Sample

    211124-2js8asdgen

  • MD5

    78d1d8b47063a5a5e5ccdecd019cf74a

  • SHA1

    eb73eef0964d6e5c18298e96769a9ae9bc46152b

  • SHA256

    5a15ece1649a5ef54b70b95d9d413bad068b8c1c932e2275d3845fadee8e1e22

  • SHA512

    686e74125818b9d646e1625d6958613c7d39d49c54454292ca7454ef1d0285347fc595718d8e0359267dfa10233111611401406e5c77282300f31d2e700752c8

Malware Config

Extracted

Family

socelars

C2

http://www.iyiqian.com/

http://www.hbgents.top/

http://www.rsnzhy.com/

http://www.znsjis.top/

Extracted

Family

smokeloader

Version

2020

C2

http://gmpeople.com/upload/

http://mile48.com/upload/

http://lecanardstsornin.com/upload/

http://m3600.com/upload/

http://camasirx.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

UDP

C2

45.9.20.20:13441

Extracted

Family

redline

Botnet

1

C2

185.183.98.2:80

Targets

    • Target

      5A15ECE1649A5EF54B70B95D9D413BAD068B8C1C932E2.exe

    • Size

      5.8MB

    • MD5

      78d1d8b47063a5a5e5ccdecd019cf74a

    • SHA1

      eb73eef0964d6e5c18298e96769a9ae9bc46152b

    • SHA256

      5a15ece1649a5ef54b70b95d9d413bad068b8c1c932e2275d3845fadee8e1e22

    • SHA512

      686e74125818b9d646e1625d6958613c7d39d49c54454292ca7454ef1d0285347fc595718d8e0359267dfa10233111611401406e5c77282300f31d2e700752c8

    • 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

    • suricata: ET MALWARE ClipBanker Variant Activity (POST)

      suricata: ET MALWARE ClipBanker Variant Activity (POST)

    • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

    • 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.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • 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

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks