General

  • Target

    5cb2f8ffb1d29f5bb39e29098db4df31563f9bf365a147aa79bc7161db87d7db

  • Size

    299KB

  • Sample

    211214-mqabfafeh3

  • MD5

    b961456e35e49d1775bf5163d6008453

  • SHA1

    c5226714d37e77dfc3d00b1ce3dad3b6921d2939

  • SHA256

    5cb2f8ffb1d29f5bb39e29098db4df31563f9bf365a147aa79bc7161db87d7db

  • SHA512

    76711f952c115f9ddd2c440a75c472fd02ca86519fe43d7e204d446382bece2e83d7d89eccbc65606c7be829e81990cf48dbae5fa99e3b27c048858393d160d8

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

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

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

http://srtuiyhuali.at/

http://fufuiloirtu.com/

http://amogohuigotuli.at/

http://novohudosovu.com/

http://brutuilionust.com/

http://bubushkalioua.com/

http://dumuilistrati.at/

http://verboliatsiaeeees.com/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

redline

C2

185.112.83.69:37026

Extracted

Family

redline

Botnet

xxluchxx1

C2

212.86.102.63:62907

Targets

    • Target

      5cb2f8ffb1d29f5bb39e29098db4df31563f9bf365a147aa79bc7161db87d7db

    • Size

      299KB

    • MD5

      b961456e35e49d1775bf5163d6008453

    • SHA1

      c5226714d37e77dfc3d00b1ce3dad3b6921d2939

    • SHA256

      5cb2f8ffb1d29f5bb39e29098db4df31563f9bf365a147aa79bc7161db87d7db

    • SHA512

      76711f952c115f9ddd2c440a75c472fd02ca86519fe43d7e204d446382bece2e83d7d89eccbc65606c7be829e81990cf48dbae5fa99e3b27c048858393d160d8

    • Arkei

      Arkei is an infostealer written in C++.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Arkei Stealer Payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks