Thu181d864eb8.exe

General
Target

Thu181d864eb8.exe

Size

172KB

Sample

211104-zrx54segbj

Score
10 /10
MD5

7c3cf9ce3ffb1e5dd48896fdc9080bab

SHA1

34b4976f8f83c1e0a9d277d2a103a61616178728

SHA256

b3049882301853eed2aa8c5ac99010dd84292d7e092eb6f4311fa535716f5d83

SHA512

52ec2ec50a2d4ca4f29e6b611176e37fee8693a7c34ec2197ec2ad250d525f607c3d4d70534520d1f5c16fd3f9231d261b00f8c3746d033eab1ed36cdde07473

Malware Config

Extracted

Family vidar
Version 47.9
Botnet 937
C2

https://mas.to/@kirpich

Attributes
profile_id
937

Extracted

Family raccoon
Botnet 8dec62c1db2959619dca43e02fa46ad7bd606400
Attributes
url4cnc
http://telegin.top/capibar
http://ttmirror.top/capibar
http://teletele.top/capibar
http://telegalive.top/capibar
http://toptelete.top/capibar
http://telegraf.top/capibar
https://t.me/capibar
rc4.plain
rc4.plain
Targets
Target

Thu181d864eb8.exe

MD5

7c3cf9ce3ffb1e5dd48896fdc9080bab

Filesize

172KB

Score
10/10
SHA1

34b4976f8f83c1e0a9d277d2a103a61616178728

SHA256

b3049882301853eed2aa8c5ac99010dd84292d7e092eb6f4311fa535716f5d83

SHA512

52ec2ec50a2d4ca4f29e6b611176e37fee8693a7c34ec2197ec2ad250d525f607c3d4d70534520d1f5c16fd3f9231d261b00f8c3746d033eab1ed36cdde07473

Tags

Signatures

  • Modifies Windows Defender Real-time Protection settings

    Tags

    TTPs

    Modify RegistryModify Existing ServiceDisabling Security Tools
  • Raccoon

    Description

    Simple but powerful infostealer which was very active in 2019.

    Tags

  • Suspicious use of NtCreateProcessExOtherParentProcess

  • Vidar

    Description

    Vidar is an infostealer based on Arkei stealer.

    Tags

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

    Description

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

    Tags

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

    Description

    suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    Tags

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

    Description

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

    Tags

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

    Description

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

    Tags

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

    Description

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

    Tags

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

    Tags

    TTPs

    Query RegistryVirtualization/Sandbox Evasion
  • Vidar Stealer

    Tags

  • Downloads MZ/PE file

  • Executes dropped EXE

  • Checks BIOS information in registry

    Description

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

    TTPs

    Query RegistrySystem Information Discovery
  • Checks computer location settings

    Description

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

    TTPs

    Query RegistrySystem Information Discovery
  • Loads dropped DLL

  • Reads user/profile data of web browsers

    Description

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

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Themida packer

    Description

    Detects Themida, an advanced Windows software protection system.

    Tags

  • Accesses 2FA software files, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Checks installed software on the system

    Description

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    Tags

    TTPs

    Query Registry
  • Checks whether UAC is enabled

    Tags

    TTPs

    System Information Discovery
  • Looks up external IP address via web service

    Description

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

Related Tasks

MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Execution
      Exfiltration
        Impact
          Initial Access
            Lateral Movement
              Privilege Escalation