Resubmissions

13-10-2021 18:35

211013-w8lxmaegdr 10

13-10-2021 12:38

211013-pvkdbadhdm 10

13-10-2021 05:30

211013-f7nrtsdfa3 10

12-10-2021 20:25

211012-y7qwasdbh4 10

11-10-2021 21:02

211011-zvywtaabdq 10

General

  • Target

    setup_x86_x64_install.exe

  • Size

    3.4MB

  • Sample

    211011-zvywtaabdq

  • MD5

    26f28bf2dc2b6afc0dd99cb6ea3879b8

  • SHA1

    9270b9f48e2d14cc2cbed61ee2e2389d5f69ce05

  • SHA256

    5f30eae71c1b0d08e7ec5adfc9a0dc98078595502b60a584a8df5cdf8cacf7fa

  • SHA512

    5a350373e87673c9ba39e5353bea1d7c1f2f7bc62a703ed13e892e69037008f3e2accadbdd0ec0bd976e54c68b79dfad6fb37517dd55448cac4d9d74ae8a037b

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://gmpeople.com/upload/

http://mile48.com/upload/

http://lecanardstsornin.com/upload/

http://m3600.com/upload/

http://camasirx.com/upload/

http://linavanandr11.club/

http://iselaharty12.club/

http://giovaninardo13.club/

http://zayneliann14.club/

http://zorinosali15.club/

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

Extracted

Family

redline

Botnet

she

C2

135.181.129.119:4805

Extracted

Family

redline

Botnet

media12

C2

91.121.67.60:2151

Extracted

Family

redline

Botnet

ANI

C2

45.142.215.47:27643

Extracted

Family

vidar

Version

41.2

Botnet

933

C2

https://mas.to/@serg4325

Attributes
  • profile_id

    933

Extracted

Family

vidar

Version

41.3

Botnet

921

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    921

Extracted

Family

vidar

Version

41.3

Botnet

903

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    903

Extracted

Family

vidar

Version

41.3

Botnet

937

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    937

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      3.4MB

    • MD5

      26f28bf2dc2b6afc0dd99cb6ea3879b8

    • SHA1

      9270b9f48e2d14cc2cbed61ee2e2389d5f69ce05

    • SHA256

      5f30eae71c1b0d08e7ec5adfc9a0dc98078595502b60a584a8df5cdf8cacf7fa

    • SHA512

      5a350373e87673c9ba39e5353bea1d7c1f2f7bc62a703ed13e892e69037008f3e2accadbdd0ec0bd976e54c68b79dfad6fb37517dd55448cac4d9d74ae8a037b

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

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

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Turns off Windows Defender SpyNet reporting

    • UAC bypass

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • suricata: ET MALWARE Amadey CnC Check-In

      suricata: ET MALWARE Amadey CnC Check-In

    • suricata: ET MALWARE ClipBanker Variant Activity (POST)

      suricata: ET MALWARE ClipBanker Variant Activity (POST)

    • suricata: ET MALWARE GCleaner Downloader Activity M5

      suricata: ET MALWARE GCleaner Downloader Activity M5

    • suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

      suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

    • suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

      suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • suricata: ET MALWARE Zbot Generic URI/Header Struct .bin

      suricata: ET MALWARE Zbot Generic URI/Header Struct .bin

    • xmrig

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

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

    • Vidar Stealer

    • XMRig Miner Payload

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Windows security modification

    • Accesses 2FA software files, possible credential harvesting

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks

static1

Score
N/A

behavioral1

redlinesmokeloadermedia12sheaspackv2backdoorinfostealerspywarestealersuricatatrojan
Score
10/10

behavioral2

redlinesmokeloadervidarxmrig933animedia12sheaspackv2backdoordiscoveryevasioninfostealerminerpersistencespywarestealersuricatatrojan
Score
10/10

behavioral3

redlinesmokeloadervidar933media12sheaspackv2backdoordiscoveryevasioninfostealerpersistencespywarestealersuricatatrojan
Score
10/10

behavioral4

redlinesmokeloadersocelarsvidarxmrig921aspackv2backdoordiscoveryevasioninfostealerminerpersistencespywarestealersuricatathemidatrojan
Score
10/10

behavioral5

redlinesmokeloadervidar921933sheaspackv2backdoordiscoveryevasioninfostealerpersistencespywarestealersuricatathemidatrojan
Score
10/10

behavioral6

redlinesmokeloadervidar903933937sheaspackv2backdoorevasioninfostealerpersistencespywarestealersuricatatrojan
Score
10/10

behavioral7

redlinesmokeloadersocelarsvidarxmrig933animedia12sheaspackv2backdoordiscoveryevasioninfostealerminerpersistencespywarestealersuricatathemidatrojan
Score
10/10

behavioral8

redlinesmokeloadersocelarsvidarxmrig921933sheaspackv2backdoordiscoveryevasioninfostealerminerpersistencespywarestealersuricatathemidatrojan
Score
10/10