General

  • Target

    2441e1c6feabfc0b9c2660a527f1cb51fe2b59f34855cc65e79ed029a72857ff

  • Size

    3.0MB

  • Sample

    220222-m27fbagaa2

  • MD5

    1857475e30c0a0ef5000646b672a5de5

  • SHA1

    87fbc9320068558069c3d28ae0d5891b4855b432

  • SHA256

    2441e1c6feabfc0b9c2660a527f1cb51fe2b59f34855cc65e79ed029a72857ff

  • SHA512

    9ca9c5a11eb380137bddb559297b705c540b804d6cb60bcae373bbd4a7e30dbe40bda05dad70938624a926106c78c2a0f728eefccd7d07eca6a3c6a3c30a1a89

Malware Config

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Version

2020

C2

http://ppcspb.com/upload/

http://mebbing.com/upload/

http://twcamel.com/upload/

http://howdycash.com/upload/

http://lahuertasonora.com/upload/

http://kpotiques.com/upload/

rc4.i32
rc4.i32

Extracted

Family

tofsee

C2

patmushta.info

ovicrush.cn

Extracted

Family

raccoon

Botnet

1c0fad6805a0f65d7b597130eb9f089ffbe9857d

Attributes
  • url4cnc

    http://194.180.191.241/capibar

    http://103.155.93.35/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Targets

    • Target

      2441e1c6feabfc0b9c2660a527f1cb51fe2b59f34855cc65e79ed029a72857ff

    • Size

      3.0MB

    • MD5

      1857475e30c0a0ef5000646b672a5de5

    • SHA1

      87fbc9320068558069c3d28ae0d5891b4855b432

    • SHA256

      2441e1c6feabfc0b9c2660a527f1cb51fe2b59f34855cc65e79ed029a72857ff

    • SHA512

      9ca9c5a11eb380137bddb559297b705c540b804d6cb60bcae373bbd4a7e30dbe40bda05dad70938624a926106c78c2a0f728eefccd7d07eca6a3c6a3c30a1a89

    • Modifies Windows Defender Real-time Protection settings

    • OnlyLogger

      A tiny loader that uses IPLogger to get its payload.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Tofsee

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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • OnlyLogger Payload

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • 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.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • 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

1
T1031

New Service

1
T1050

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

2
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Collection

Data from Local System

1
T1005

Tasks