General

  • Target

    63301A39B93B63ACAB80E0A05B909F733D792C7AE829A.exe

  • Size

    3.1MB

  • Sample

    210930-3et5gaaec2

  • MD5

    32df2eb9a83b1a97096aa403b6e5ce3f

  • SHA1

    b427830c72004be17918c628918b8fc2ca2d43d1

  • SHA256

    63301a39b93b63acab80e0a05b909f733d792c7ae829a0a207d2fa2e1498158f

  • SHA512

    7375a23525a491b7a99cabf070dc36f8df1d20c7f7d6655a15fead2871a1b238c3b881ee179d35c0f81c252541488666914d3f4d1635037a1fdd737e34d31877

Malware Config

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

DomAni2

C2

flestriche.xyz:80

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

vidar

Version

41.1

Botnet

1028

C2

https://mas.to/@bardak1ho

Attributes
  • profile_id

    1028

Extracted

Family

redline

Botnet

30.09

C2

195.133.18.5:45269

Extracted

Family

vidar

Version

41.1

Botnet

937

C2

https://mas.to/@bardak1ho

Attributes
  • profile_id

    937

Extracted

Family

raccoon

Botnet

6b473ae90575e46165b57807704d00b90b7f6fb2

Attributes
  • url4cnc

    http://teletop.top/viv0ramadium0,http://teleta.top/viv0ramadium0,https://t.me/viv0ramadium0

rc4.plain
rc4.plain

Targets

    • Target

      63301A39B93B63ACAB80E0A05B909F733D792C7AE829A.exe

    • Size

      3.1MB

    • MD5

      32df2eb9a83b1a97096aa403b6e5ce3f

    • SHA1

      b427830c72004be17918c628918b8fc2ca2d43d1

    • SHA256

      63301a39b93b63acab80e0a05b909f733d792c7ae829a0a207d2fa2e1498158f

    • SHA512

      7375a23525a491b7a99cabf070dc36f8df1d20c7f7d6655a15fead2871a1b238c3b881ee179d35c0f81c252541488666914d3f4d1635037a1fdd737e34d31877

    • Modifies Windows Defender Real-time Protection settings

    • 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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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

    • 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.

    • 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.

    • 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

1
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks