Resubmissions

22-01-2022 09:57

220122-ly19fsaeb9 10

08-12-2021 17:13

211208-vre73shggj 10

08-12-2021 17:10

211208-vpnfnshgfj 10

General

  • Target

    dasd.ps1

  • Size

    344B

  • Sample

    211208-vre73shggj

  • MD5

    a7c15dc130b64c28e2f887960226ce49

  • SHA1

    9b494121e993691d90a2f78df851b4fde2a63a30

  • SHA256

    286b6f259d6617baaba4e50a6ce279ce7acc5fc2c16ab1de80949f0556edcda4

  • SHA512

    ea3e6c17be4392e86905be792325c4a2761c13a0d8df19d990d0e04518c254ff3785da1124b7f6dbf33a94d7543ca84711c7c0837244d75751cb75a1278d50fe

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://api.agent.otxb.io/osquery-api-otx/bootstrap?flavor=powershell

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

4da27d123a577c68e42716053343dd3f8da508a2

Attributes
  • url4cnc

    http://91.219.236.27/borderxra

    http://94.158.245.167/borderxra

    http://185.163.204.216/borderxra

    http://185.225.19.238/borderxra

    http://185.163.204.218/borderxra

    https://t.me/borderxra

rc4.plain
rc4.plain

Extracted

Family

icedid

Campaign

3439131404

Targets

    • Target

      dasd.ps1

    • Size

      344B

    • MD5

      a7c15dc130b64c28e2f887960226ce49

    • SHA1

      9b494121e993691d90a2f78df851b4fde2a63a30

    • SHA256

      286b6f259d6617baaba4e50a6ce279ce7acc5fc2c16ab1de80949f0556edcda4

    • SHA512

      ea3e6c17be4392e86905be792325c4a2761c13a0d8df19d990d0e04518c254ff3785da1124b7f6dbf33a94d7543ca84711c7c0837244d75751cb75a1278d50fe

    • IcedID, BokBot

      IcedID is a banking trojan capable of stealing credentials.

    • 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.

    • 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

    • Socelars

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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Zloader, Terdot, DELoader, ZeusSphinx

      Zloader is a malware strain that was initially discovered back in August 2015.

    • evasion

      evasion.

    • suricata: ET MALWARE ClipBanker Variant Activity (POST)

      suricata: ET MALWARE ClipBanker Variant Activity (POST)

    • suricata: ET MALWARE Fake Software Download Redirect Leading to Malware M3

      suricata: ET MALWARE Fake Software Download Redirect Leading to Malware M3

    • suricata: ET MALWARE Suspicious Download Setup_ exe

      suricata: ET MALWARE Suspicious Download Setup_ exe

    • 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 Win32/IcedID Request Cookie

      suricata: ET MALWARE Win32/IcedID Request Cookie

    • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

    • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Tries to connect to .bazar domain

      Attempts to lookup or connect to a .bazar domain, used by BazarBackdoor, Trickbot, and potentially others.

    • 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.

    • 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

    • Drops Chrome extension

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • 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

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

4
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

8
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

8
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks