General

  • Target

    19b8025cf8a5ddc24a7b75b5f4ca52132aa6659c277d9d78e4d91989e9408999

  • Size

    1.3MB

  • Sample

    211209-wvq97aefbp

  • MD5

    51059f0b8dea23a1d153ae103abd2e50

  • SHA1

    4747f2fef8721a247c2c756636255eab845a907c

  • SHA256

    19b8025cf8a5ddc24a7b75b5f4ca52132aa6659c277d9d78e4d91989e9408999

  • SHA512

    b5808f132917a46b476cd61d7a3cf3113b3578b99b01098a6b028560b7d5f7025c8e8261a2ff13ceb62cb3ebf0fbcb554070c8d414e8491e49f72d58f344ffa3

Malware Config

Targets

    • Target

      19b8025cf8a5ddc24a7b75b5f4ca52132aa6659c277d9d78e4d91989e9408999

    • Size

      1.3MB

    • MD5

      51059f0b8dea23a1d153ae103abd2e50

    • SHA1

      4747f2fef8721a247c2c756636255eab845a907c

    • SHA256

      19b8025cf8a5ddc24a7b75b5f4ca52132aa6659c277d9d78e4d91989e9408999

    • SHA512

      b5808f132917a46b476cd61d7a3cf3113b3578b99b01098a6b028560b7d5f7025c8e8261a2ff13ceb62cb3ebf0fbcb554070c8d414e8491e49f72d58f344ffa3

    • 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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • 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

    • Drops file in System32 directory

    • 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

3
T1082

Collection

Data from Local System

1
T1005

Tasks