Resubmissions

11-10-2021 20:45

211011-zjxjlsabbm 10

11-10-2021 13:10

211011-qegsxshcfp 10

11-10-2021 10:55

211011-mz7y3ahaak 10

10-10-2021 19:24

211010-x4mtssgae2 10

General

  • Target

    setup_x86_x64_install.exe

  • Size

    3.9MB

  • Sample

    211011-mz7y3ahaak

  • MD5

    a4d23ac3c7172b9aa02e35b6bf0fd21f

  • SHA1

    0326aab7deddfefc048c9a67ac9ce4ee14ea9003

  • SHA256

    9bd142ecfe89857de80bb3255a1655f680ca6451b45cca235096dc1c1285e806

  • SHA512

    9e425d8a1beaeabfc983bb75a7a5f8a8c0823e825e9f66e17b0f515b2897da9f2d9b2f1aa9939fdbae6c826c2c730d3bc772abec9e35a61d3d73a6cdb87ddf10

Malware Config

Extracted

Family

redline

Botnet

she

C2

135.181.129.119:4805

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

ANI

C2

45.142.215.47:27643

Extracted

Family

vidar

Version

41.3

Botnet

937

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    937

Extracted

Family

vidar

Version

41.2

Botnet

903

C2

https://mas.to/@serg4325

Attributes
  • profile_id

    903

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      3.9MB

    • MD5

      a4d23ac3c7172b9aa02e35b6bf0fd21f

    • SHA1

      0326aab7deddfefc048c9a67ac9ce4ee14ea9003

    • SHA256

      9bd142ecfe89857de80bb3255a1655f680ca6451b45cca235096dc1c1285e806

    • SHA512

      9e425d8a1beaeabfc983bb75a7a5f8a8c0823e825e9f66e17b0f515b2897da9f2d9b2f1aa9939fdbae6c826c2c730d3bc772abec9e35a61d3d73a6cdb87ddf10

    • 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

    • Registers COM server for autorun

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Socelars

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

    • Socelars Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Turns off Windows Defender SpyNet reporting

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • suricata: ET MALWARE ClipBanker Variant Activity (POST)

      suricata: ET MALWARE ClipBanker Variant Activity (POST)

    • suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)

      suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)

    • suricata: ET MALWARE GCleaner Downloader Activity M5

      suricata: ET MALWARE GCleaner Downloader Activity M5

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • 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 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 Win32.Raccoon Stealer CnC Activity (dependency download)

      suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

    • suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

      suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

    • 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

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Blocklisted process makes network request

    • Creates new service(s)

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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 Microsoft Outlook accounts

    • 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

    • 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

redlinesmokeloadersocelarsanisheaspackv2backdoordiscoveryevasioninfostealerpersistencespywarestealersuricatatrojan
Score
10/10

behavioral2

redlinesocelarssheaspackv2evasioninfostealerstealersuricatathemidatrojan
Score
10/10

behavioral3

redlinesocelarsaniaspackv2discoveryevasioninfostealerpersistencespywarestealersuricatathemidatrojan
Score
10/10

behavioral4

redlinesmokeloadersocelarsvidarxmriganiaspackv2backdoordiscoveryevasioninfostealerminerpersistencespywarestealersuricatathemidatrojan
Score
10/10

behavioral5

redlinesmokeloadersocelarssheaspackv2backdoordiscoveryevasioninfostealerpersistencespywarestealersuricatathemidatrojan
Score
10/10

behavioral6

redlinesmokeloadersocelarsvidarxmrig937anisheaspackv2backdoorcollectiondiscoveryevasioninfostealerminerpersistencespywarestealersuricatathemidatrojan
Score
10/10

behavioral7

redlinesmokeloadersocelarstofseevidarxmriganisheaspackv2backdoordiscoveryevasioninfostealerminerpersistencespywarestealersuricatathemidatrojan
Score
10/10

behavioral8

redlinesmokeloadersocelarstofseevidar903937anisheaspackv2backdoordiscoveryevasioninfostealerpersistencespywarestealersuricatathemidatrojan
Score
10/10