General

  • Target

    593a20557bc4f2e48090138ac3780b32

  • Size

    291KB

  • Sample

    210913-tlpc5aeaf4

  • MD5

    593a20557bc4f2e48090138ac3780b32

  • SHA1

    a570a1e1c270f4dde80689e600473f47fef6c985

  • SHA256

    4965e6e224897f69fa884aded52e0dd664bc21f16a0733bd01f733dee66868e8

  • SHA512

    1cf75da34b1b1b5e78de3d2a44a9a01f127ab35197b6cb6debd6212d8f6b2e492bd5d9babfb6ae0123306c306a82f7e75be6466da110ae1983048d786d5dad89

Malware Config

Extracted

Family

redline

Botnet

1309

C2

95.217.77.23:53845

Targets

    • Target

      593a20557bc4f2e48090138ac3780b32

    • Size

      291KB

    • MD5

      593a20557bc4f2e48090138ac3780b32

    • SHA1

      a570a1e1c270f4dde80689e600473f47fef6c985

    • SHA256

      4965e6e224897f69fa884aded52e0dd664bc21f16a0733bd01f733dee66868e8

    • SHA512

      1cf75da34b1b1b5e78de3d2a44a9a01f127ab35197b6cb6debd6212d8f6b2e492bd5d9babfb6ae0123306c306a82f7e75be6466da110ae1983048d786d5dad89

    • Modifies security service

    • 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.

    • Drops startup file

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks