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

    211013-w8lxmaegdr

  • MD5

    26f28bf2dc2b6afc0dd99cb6ea3879b8

  • SHA1

    9270b9f48e2d14cc2cbed61ee2e2389d5f69ce05

  • SHA256

    5f30eae71c1b0d08e7ec5adfc9a0dc98078595502b60a584a8df5cdf8cacf7fa

  • SHA512

    5a350373e87673c9ba39e5353bea1d7c1f2f7bc62a703ed13e892e69037008f3e2accadbdd0ec0bd976e54c68b79dfad6fb37517dd55448cac4d9d74ae8a037b

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/

rc4.i32
rc4.i32

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

raccoon

Version

1.8.2

Botnet

8b1cccc4d9c4808469e507e47787671255de6bf2

Attributes
  • url4cnc

    http://teletop.top/capibar

    http://teleta.top/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Extracted

Family

cryptbot

C2

cemenv32.top

morbug03.top

Attributes
  • payload_url

    http://bojozb04.top/download.php?file=lv.exe

Extracted

Family

redline

Botnet

media12

C2

91.121.67.60:2151

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

    • CryptBot

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

    • Modifies Windows Defender Real-time Protection settings

    • Modifies system executable filetype association

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • 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.

    • Socelars

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

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Amadey CnC Check-In

      suricata: ET MALWARE Amadey CnC Check-In

    • suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger

      suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger

    • suricata: ET MALWARE ClipBanker Variant Activity (POST)

      suricata: ET MALWARE ClipBanker Variant Activity (POST)

    • suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

      suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

    • 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 Win32/Kryptik.HMCH Dropper User-Agent M1

      suricata: ET MALWARE Win32/Kryptik.HMCH Dropper User-Agent M1

    • suricata: ET MALWARE Win32/Kryptik.HMCH Dropper User-Agent M2

      suricata: ET MALWARE Win32/Kryptik.HMCH Dropper User-Agent M2

    • suricata: ET MALWARE Win32/Kryptik.HMCH Dropper User-Agent M3

      suricata: ET MALWARE Win32/Kryptik.HMCH Dropper User-Agent M3

    • suricata: ET MALWARE Win32/Kryptik.HMCH Dropper User-Agent M4

      suricata: ET MALWARE Win32/Kryptik.HMCH Dropper User-Agent M4

    • 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

    • 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.

    • 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 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 Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Change Default File Association

1
T1042

New Service

1
T1050

Registry Run Keys / Startup Folder

2
T1060

Scheduled Task

1
T1053

BITS Jobs

1
T1197

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

BITS Jobs

1
T1197

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks

static1

Score
N/A

behavioral1

cryptbotraccoonredlinesmokeloadervidar8b1cccc4d9c4808469e507e47787671255de6bf2933anisheaspackv2backdoordiscoveryevasioninfostealerpersistencespywarestealersuricatatrojan
Score
10/10

behavioral2

redlinesmokeloaderaspackv2backdoorinfostealersuricatatrojan
Score
10/10

behavioral3

cryptbotraccoonredlinesmokeloadervidar8b1cccc4d9c4808469e507e47787671255de6bf2933animedia12sheaspackv2backdoorinfostealerspywarestealersuricatatrojan
Score
10/10

behavioral4

redlinemedia12aspackv2evasioninfostealerpersistencespywaretrojan
Score
10/10

behavioral5

neshtaredlinesmokeloadervidar933937sheaspackv2backdoordiscoveryevasioninfostealerpersistencespywarestealersuricatathemidatrojan
Score
10/10

behavioral6

redlinesmokeloadersocelarsvidarxmrig933media12sheaspackv2backdoordiscoveryevasioninfostealerminerpersistencespywarestealersuricatathemidatrojan
Score
10/10

behavioral7

redlinesmokeloadervidar933media12sheaspackv2backdoorevasioninfostealerpersistencespywarestealersuricatathemidatrojan
Score
10/10

behavioral8

neshtaredlinesmokeloadersocelarsvidar933sheaspackv2backdoordiscoveryevasioninfostealerpersistencespywarestealersuricatathemidatrojan
Score
10/10