General

  • Target

    a2ff7409a7a9f8fa78c81faea26d2ff3470896828ce8132efa8bce8cfa9f27be

  • Size

    2.3MB

  • Sample

    220613-xyjvysabhq

  • MD5

    a60628f8ac9b4b589aa9eb171978611d

  • SHA1

    3c37a5ccf17f27106d0e09c3b27f8e3355ba62e5

  • SHA256

    a2ff7409a7a9f8fa78c81faea26d2ff3470896828ce8132efa8bce8cfa9f27be

  • SHA512

    42dc0c10df954429bcef64022249eccb7024581c4327e0707dda61b51b6ffbc930c7f0bea74794d14a7c6434a8ade122d588d716312fe9b559f41b7f04448d64

Malware Config

Extracted

Family

redline

Botnet

LogsDiller Cloud (Telegram: @mr_golds)

C2

109.107.183.214:9303

Attributes
  • auth_value

    d72163e211dc5f86585328318a5a5a13

Targets

    • Target

      a2ff7409a7a9f8fa78c81faea26d2ff3470896828ce8132efa8bce8cfa9f27be

    • Size

      2.3MB

    • MD5

      a60628f8ac9b4b589aa9eb171978611d

    • SHA1

      3c37a5ccf17f27106d0e09c3b27f8e3355ba62e5

    • SHA256

      a2ff7409a7a9f8fa78c81faea26d2ff3470896828ce8132efa8bce8cfa9f27be

    • SHA512

      42dc0c10df954429bcef64022249eccb7024581c4327e0707dda61b51b6ffbc930c7f0bea74794d14a7c6434a8ade122d588d716312fe9b559f41b7f04448d64

    • Modifies security service

    • RedLine

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

    • RedLine Payload

    • suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

      suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

    • suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

      suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE 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

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Possible privilege escalation attempt

    • Stops running service(s)

    • 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.

    • Drops startup file

    • Modifies file permissions

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks whether UAC is enabled

    • 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

Modify Existing Service

2
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Virtualization/Sandbox Evasion

1
T1497

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

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

Impact

Service Stop

1
T1489

Tasks