General

  • Target

    96428fec8fcdc425c07cb6874bfdfa74.exe

  • Size

    240KB

  • Sample

    210725-yg5bsja52j

  • MD5

    96428fec8fcdc425c07cb6874bfdfa74

  • SHA1

    b5ecf2930133a3b29d2ffd629856d3d852f886bb

  • SHA256

    d8e97b327ea157afd377759204ca29d44475f50030e1321fa6ca4b05d9c4aed0

  • SHA512

    781196ef3fd12231f903c34986d04e2c1b4c2744eefbaa365789d9ae4a3f6473dfae25d98cbbb6ee39e4364b7eabad463adaee7e914464fcbba667a6db59f6cb

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

http://readinglistforjuly6.site/

http://readinglistforjuly7.site/

http://readinglistforjuly8.site/

http://readinglistforjuly9.site/

http://readinglistforjuly10.site/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

123123123

C2

45.32.235.238:45555

Extracted

Family

vidar

Version

39.7

Botnet

408

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    408

Targets

    • Target

      96428fec8fcdc425c07cb6874bfdfa74.exe

    • Size

      240KB

    • MD5

      96428fec8fcdc425c07cb6874bfdfa74

    • SHA1

      b5ecf2930133a3b29d2ffd629856d3d852f886bb

    • SHA256

      d8e97b327ea157afd377759204ca29d44475f50030e1321fa6ca4b05d9c4aed0

    • SHA512

      781196ef3fd12231f903c34986d04e2c1b4c2744eefbaa365789d9ae4a3f6473dfae25d98cbbb6ee39e4364b7eabad463adaee7e914464fcbba667a6db59f6cb

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

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

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

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

4
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

4
T1005

Tasks