General

  • Target

    91d63a0ba4ba75e350abeb12ddd6f18737081201f5d34d0d166dc165151aaae9

  • Size

    335KB

  • Sample

    211120-vsdewagbb2

  • MD5

    91de679c70a548d1d3b90551290ea3bd

  • SHA1

    f88237f54fd6fdffbc09d9cab562a3a7ea40417e

  • SHA256

    91d63a0ba4ba75e350abeb12ddd6f18737081201f5d34d0d166dc165151aaae9

  • SHA512

    93b848a61a2fd0caa220b3911c0b7c753d75acc400d47f79037088fac284b64f292011804b136714c86f585014a8a2435b5347d8e056f7dfb6e53a4d358cd345

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.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

tofsee

C2

quadoil.ru

lakeflex.ru

Extracted

Family

redline

C2

185.159.80.90:38637

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

59885c564847bf29ddd9457b81c619998245ba90

Attributes
  • url4cnc

    http://91.219.236.27/opussenseus1

    http://5.181.156.92/opussenseus1

    http://91.219.236.207/opussenseus1

    http://185.225.19.18/opussenseus1

    http://91.219.237.227/opussenseus1

    https://t.me/opussenseus1

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

Sleeze

C2

194.127.179.0:42417

Extracted

Family

vidar

Version

48.6

Botnet

706

C2

https://mastodon.online/@valhalla

https://koyu.space/@valhalla

Attributes
  • profile_id

    706

Targets

    • Target

      91d63a0ba4ba75e350abeb12ddd6f18737081201f5d34d0d166dc165151aaae9

    • Size

      335KB

    • MD5

      91de679c70a548d1d3b90551290ea3bd

    • SHA1

      f88237f54fd6fdffbc09d9cab562a3a7ea40417e

    • SHA256

      91d63a0ba4ba75e350abeb12ddd6f18737081201f5d34d0d166dc165151aaae9

    • SHA512

      93b848a61a2fd0caa220b3911c0b7c753d75acc400d47f79037088fac284b64f292011804b136714c86f585014a8a2435b5347d8e056f7dfb6e53a4d358cd345

    • Arkei

      Arkei is an infostealer written in C++.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • xmrig

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

    • Arkei Stealer Payload

    • Vidar Stealer

    • 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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

3
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks