General

  • Target

    127a94e7fb165ff5d8cd5746629307e83786942be88bf7afcc89e370532221e4

  • Size

    174KB

  • Sample

    221113-pen2kabb52

  • MD5

    98b981184838c8bf3f08408841fcaa0d

  • SHA1

    87f9e982b0b5e79d5942c40243fccadc4c045363

  • SHA256

    127a94e7fb165ff5d8cd5746629307e83786942be88bf7afcc89e370532221e4

  • SHA512

    4186fe4ef788b40c80b4667a6d9c56b631d27414940ff9a58635f31acb4b75ae817d5ccc32935da715376ee6595efd43b39cbde538ea4f0f10be635ce66d4212

  • SSDEEP

    3072:UM4eHHDhLcpFN2Y/zRpMgEsufJZYHsdG3xRrC:NtlLSFN28YgRBMdGv

Malware Config

Extracted

Family

redline

Botnet

123

C2

78.153.144.3:2510

Attributes
  • auth_value

    cd6abb0af211bce081d7bf127cc26835

Extracted

Family

redline

Botnet

Google2

C2

167.235.71.14:20469

Attributes
  • auth_value

    fb274d9691235ba015830da570a13578

Targets

    • Target

      127a94e7fb165ff5d8cd5746629307e83786942be88bf7afcc89e370532221e4

    • Size

      174KB

    • MD5

      98b981184838c8bf3f08408841fcaa0d

    • SHA1

      87f9e982b0b5e79d5942c40243fccadc4c045363

    • SHA256

      127a94e7fb165ff5d8cd5746629307e83786942be88bf7afcc89e370532221e4

    • SHA512

      4186fe4ef788b40c80b4667a6d9c56b631d27414940ff9a58635f31acb4b75ae817d5ccc32935da715376ee6595efd43b39cbde538ea4f0f10be635ce66d4212

    • SSDEEP

      3072:UM4eHHDhLcpFN2Y/zRpMgEsufJZYHsdG3xRrC:NtlLSFN28YgRBMdGv

    • Detects Smokeloader packer

    • 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.

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Deletes itself

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Uses the VBS compiler for execution

    • 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks