General

  • Target

    a22255eaca64f6d73f98822984f26989716d92dbd2a437f38dec4c80865e8e6b

  • Size

    272KB

  • Sample

    211204-xsc58aebe8

  • MD5

    e9f9a5e40409e1763b1328e79c57c164

  • SHA1

    b7a900ad699071bd640e45cdbefdb4c270839fdd

  • SHA256

    a22255eaca64f6d73f98822984f26989716d92dbd2a437f38dec4c80865e8e6b

  • SHA512

    3a5c5c1328c046fe1f8ee67e44597992c35a67e592fd6398049558c30496b5be1d2f407695638edbd72dcbc27a613b629fa9c522ee7d180e92ff2b0db33b6f62

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://rcacademy.at/upload/

http://e-lanpengeonline.com/upload/

http://vjcmvz.cn/upload/

http://galala.ru/upload/

http://witra.ru/upload/

https://cinems.club/search.php

https://clothes.surf/search.php

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

Extracted

Family

redline

C2

195.133.47.114:38620

Extracted

Family

redline

Botnet

zaliv kub korm

C2

molerreneta.xyz:80

Targets

    • Target

      a22255eaca64f6d73f98822984f26989716d92dbd2a437f38dec4c80865e8e6b

    • Size

      272KB

    • MD5

      e9f9a5e40409e1763b1328e79c57c164

    • SHA1

      b7a900ad699071bd640e45cdbefdb4c270839fdd

    • SHA256

      a22255eaca64f6d73f98822984f26989716d92dbd2a437f38dec4c80865e8e6b

    • SHA512

      3a5c5c1328c046fe1f8ee67e44597992c35a67e592fd6398049558c30496b5be1d2f407695638edbd72dcbc27a613b629fa9c522ee7d180e92ff2b0db33b6f62

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • 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.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Deletes itself

    • Drops startup file

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks