General

  • Target

    f13899dec145e83e8a1a7ee5be6fca18a24461d60bddd388c121d76c53eced90

  • Size

    2.2MB

  • Sample

    220511-l33cbagcg3

  • MD5

    1f8f8cc2fb5c5e5af84558cdf927205c

  • SHA1

    7a4ab20469c3e0054e9dacf84a8157fcccf4e59d

  • SHA256

    f13899dec145e83e8a1a7ee5be6fca18a24461d60bddd388c121d76c53eced90

  • SHA512

    4a5a5e2fb4505d16c3746a27839f5b72f8c17f4e1d88a10d4d52fff0b7e9c0de73ed2d6551dad3b621e1a378fae92591ca55745d93cd8b0fa127e38fd12f14af

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://agressivemnaiq.xyz/

https://agressivemnaiq.xyz/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

us

C2

94.130.222.120:29240

Attributes
  • auth_value

    521267bd2f00cb305e87075b05d009f9

Extracted

Family

redline

Botnet

MixW

C2

94.130.222.120:29240

Attributes
  • auth_value

    13e177d0765ee6b55bd8c1f11560c773

Targets

    • Target

      f13899dec145e83e8a1a7ee5be6fca18a24461d60bddd388c121d76c53eced90

    • Size

      2.2MB

    • MD5

      1f8f8cc2fb5c5e5af84558cdf927205c

    • SHA1

      7a4ab20469c3e0054e9dacf84a8157fcccf4e59d

    • SHA256

      f13899dec145e83e8a1a7ee5be6fca18a24461d60bddd388c121d76c53eced90

    • SHA512

      4a5a5e2fb4505d16c3746a27839f5b72f8c17f4e1d88a10d4d52fff0b7e9c0de73ed2d6551dad3b621e1a378fae92591ca55745d93cd8b0fa127e38fd12f14af

    • 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.

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

      suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Tasks