General

  • Target

    e69f4dcd444ff8e3cc3c336ad963f7faca4636b7c9678e58572256bf32350494

  • Size

    313KB

  • Sample

    211128-m8hqjahcbj

  • MD5

    c8031ed8cb9f274f75b97f337bac13f0

  • SHA1

    f2afc063d2cc1921d4647afd941bc353f8edb660

  • SHA256

    e69f4dcd444ff8e3cc3c336ad963f7faca4636b7c9678e58572256bf32350494

  • SHA512

    60c010aa9d757a7c416654522f51cff6115c0b1ed2adb217b2936f1b44779dcc68eb2975a26c6b6563b317539d2dec1df81d1c45f67d9a62fb319a84517faf3b

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32
rc4.i32

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Extracted

Family

redline

C2

185.189.167.130:38637

Targets

    • Target

      e69f4dcd444ff8e3cc3c336ad963f7faca4636b7c9678e58572256bf32350494

    • Size

      313KB

    • MD5

      c8031ed8cb9f274f75b97f337bac13f0

    • SHA1

      f2afc063d2cc1921d4647afd941bc353f8edb660

    • SHA256

      e69f4dcd444ff8e3cc3c336ad963f7faca4636b7c9678e58572256bf32350494

    • SHA512

      60c010aa9d757a7c416654522f51cff6115c0b1ed2adb217b2936f1b44779dcc68eb2975a26c6b6563b317539d2dec1df81d1c45f67d9a62fb319a84517faf3b

    • 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 Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • 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