General

  • Target

    a8ca391420619d51b69cdecd69de91f7.exe

  • Size

    8.0MB

  • Sample

    221006-lhlttsgha7

  • MD5

    a8ca391420619d51b69cdecd69de91f7

  • SHA1

    df53d79107c81f47f9244bd81f06d526bf6575ea

  • SHA256

    669e1697823eb434f2004523e648735a41ec9044e3ca8a34a055268e0ffaf45b

  • SHA512

    8ad3ce8701f19a9bbaa84fadd25b2b314772114b4f9635f59f4112e79fa27fdd9b24a392e8a7aa215fbfee57d4013522c7ac71af2b53be94d0977ae499a17e86

  • SSDEEP

    196608:4JNLHNhcPQJ/HmZfovBFRuICGJrbJy3PoypzYS34dZ67YgqgP8:mHJOJirRubG9M/pYS34dZePE

Malware Config

Extracted

Family

redline

C2

185.215.113.69:15544

Attributes
  • auth_value

    1372cd9fae57c6645ea8737ff631eb3c

Targets

    • Target

      a8ca391420619d51b69cdecd69de91f7.exe

    • Size

      8.0MB

    • MD5

      a8ca391420619d51b69cdecd69de91f7

    • SHA1

      df53d79107c81f47f9244bd81f06d526bf6575ea

    • SHA256

      669e1697823eb434f2004523e648735a41ec9044e3ca8a34a055268e0ffaf45b

    • SHA512

      8ad3ce8701f19a9bbaa84fadd25b2b314772114b4f9635f59f4112e79fa27fdd9b24a392e8a7aa215fbfee57d4013522c7ac71af2b53be94d0977ae499a17e86

    • SSDEEP

      196608:4JNLHNhcPQJ/HmZfovBFRuICGJrbJy3PoypzYS34dZ67YgqgP8:mHJOJirRubG9M/pYS34dZePE

    • RedLine

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

    • RedLine payload

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • XMRig Miner payload

    • Executes dropped EXE

    • UPX packed file

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial 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.

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Tasks