General

  • Target

    0349d11964cbf2fb8833a8c0cbbcf17dbb968aaf79cd66c7c374ac9ffcb592f4

  • Size

    277KB

  • Sample

    211120-lth73sffe2

  • MD5

    a9d354f0774af2221abb4ce37f870808

  • SHA1

    0815c7b03bd8ddc8c2019d134c1bb7da8418d097

  • SHA256

    0349d11964cbf2fb8833a8c0cbbcf17dbb968aaf79cd66c7c374ac9ffcb592f4

  • SHA512

    782def04c5c22145c00f4cbb587c267d3cd9a14ce1c44145bba70a1851094879624a316d6c1af5dee49dc3518b8dd0a885b8844b955a27b3c2514890cfe37859

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

redline

C2

185.159.80.90:38637

194.58.69.100:37026

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

ddf183af4241e3172885cf1b2c4c1fb4ee03d05a

Attributes
  • url4cnc

    http://91.219.236.27/capibar

    http://5.181.156.92/capibar

    http://91.219.236.207/capibar

    http://185.225.19.18/capibar

    http://91.219.237.227/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

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

arkei

Botnet

Default

C2

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

Extracted

Family

vidar

Version

48.6

Botnet

706

C2

https://mastodon.online/@valhalla

https://koyu.space/@valhalla

Attributes
  • profile_id

    706

Targets

    • Target

      0349d11964cbf2fb8833a8c0cbbcf17dbb968aaf79cd66c7c374ac9ffcb592f4

    • Size

      277KB

    • MD5

      a9d354f0774af2221abb4ce37f870808

    • SHA1

      0815c7b03bd8ddc8c2019d134c1bb7da8418d097

    • SHA256

      0349d11964cbf2fb8833a8c0cbbcf17dbb968aaf79cd66c7c374ac9ffcb592f4

    • SHA512

      782def04c5c22145c00f4cbb587c267d3cd9a14ce1c44145bba70a1851094879624a316d6c1af5dee49dc3518b8dd0a885b8844b955a27b3c2514890cfe37859

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Arkei Stealer Payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Checks whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks