General

  • Target

    SecuriteInfo.com.Trojan.PWS.Siggen2.61780.11290.1252

  • Size

    957KB

  • Sample

    210311-wwztqamxf6

  • MD5

    c9160a76ce50e71aac16e13adc88b002

  • SHA1

    90a0dbf0d1455e1d50c2f9a7f43bddad4e2b28c3

  • SHA256

    9fd72df8cc980ea1257a11c3e64acb9b004caa7670dbe36f021615ce636b567a

  • SHA512

    6d9f3d5e13c5e08e5a1b38fb08f1dee630421dbd52269704ff3149c75f0811d90aa88ab6a78a215389fef64ac7c26a05bd262a12b3fb2a2cd8f8cdc4dee5c4bb

Malware Config

Targets

    • Target

      SecuriteInfo.com.Trojan.PWS.Siggen2.61780.11290.1252

    • Size

      957KB

    • MD5

      c9160a76ce50e71aac16e13adc88b002

    • SHA1

      90a0dbf0d1455e1d50c2f9a7f43bddad4e2b28c3

    • SHA256

      9fd72df8cc980ea1257a11c3e64acb9b004caa7670dbe36f021615ce636b567a

    • SHA512

      6d9f3d5e13c5e08e5a1b38fb08f1dee630421dbd52269704ff3149c75f0811d90aa88ab6a78a215389fef64ac7c26a05bd262a12b3fb2a2cd8f8cdc4dee5c4bb

    • RedLine

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

    • RedLine Payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • themida

      Detects Themida, Advanced Windows software protection system.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks