General

  • Target

    49275f20a06533cce039689d4b149caf2433926fd14038e706d933da4590cfb0

  • Size

    156KB

  • Sample

    211126-td6mfadcgp

  • MD5

    b11d130a01cb2eb9cccc928bbda3e503

  • SHA1

    571cb6ecf205b4c15e8528410120b4118d376496

  • SHA256

    49275f20a06533cce039689d4b149caf2433926fd14038e706d933da4590cfb0

  • SHA512

    e04ca6c55e6cc8768d369356cd4e6d48c306a49de49aa710ddda797542b9b985d4407956cc5c84a051d58573d1905a13e3d1c237c58397d0ad17c269d0715590

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://nalirou70.top/

http://xacokuo80.top/

rc4.i32
rc4.i32

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Extracted

Family

redline

C2

185.159.80.90:38655

Targets

    • Target

      49275f20a06533cce039689d4b149caf2433926fd14038e706d933da4590cfb0

    • Size

      156KB

    • MD5

      b11d130a01cb2eb9cccc928bbda3e503

    • SHA1

      571cb6ecf205b4c15e8528410120b4118d376496

    • SHA256

      49275f20a06533cce039689d4b149caf2433926fd14038e706d933da4590cfb0

    • SHA512

      e04ca6c55e6cc8768d369356cd4e6d48c306a49de49aa710ddda797542b9b985d4407956cc5c84a051d58573d1905a13e3d1c237c58397d0ad17c269d0715590

    • 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.

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Windows security bypass

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

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

    • xmrig

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

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks