General

  • Target

    295b842a1a8473e51468fed24d1527cd.exe

  • Size

    5.0MB

  • Sample

    210921-2h8xcsddfq

  • MD5

    295b842a1a8473e51468fed24d1527cd

  • SHA1

    e781082d1998162c11c2858a7a4b14db110c201f

  • SHA256

    093c40a96a55be0cc76dd3f234eebc8e66f453626f0d217fce4bb91d5e5afa5c

  • SHA512

    7a59d800c62599f54268df99cd014b0323b15df2120f974834d2673cec63a2c140ea9da989a1e01c0a19876accb4d97deb6e77d0126441e5b4259c8493c4f448

Malware Config

Extracted

Family

vidar

Version

40.7

Botnet

706

C2

https://petrenko96.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

janesam

C2

65.108.20.195:6774

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

rc4.i32
rc4.i32

Targets

    • Target

      295b842a1a8473e51468fed24d1527cd.exe

    • Size

      5.0MB

    • MD5

      295b842a1a8473e51468fed24d1527cd

    • SHA1

      e781082d1998162c11c2858a7a4b14db110c201f

    • SHA256

      093c40a96a55be0cc76dd3f234eebc8e66f453626f0d217fce4bb91d5e5afa5c

    • SHA512

      7a59d800c62599f54268df99cd014b0323b15df2120f974834d2673cec63a2c140ea9da989a1e01c0a19876accb4d97deb6e77d0126441e5b4259c8493c4f448

    • 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.

    • 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.

    • Socelars Payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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 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

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • 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

    • Drops file in Drivers directory

    • Executes dropped EXE

    • 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 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.

    • 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

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

2
T1081

Discovery

Software Discovery

1
T1518

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks