General

  • Target

    ca12d3f00e654a8c51e15c6eaed8330721e48f398f877.exe

  • Size

    263KB

  • Sample

    210823-78ldrdbfh6

  • MD5

    a5c61aea82c6c065e1c6c1ae083effd7

  • SHA1

    a7f6f6976bf1acce0d2f4662100eaf019fd405eb

  • SHA256

    ca12d3f00e654a8c51e15c6eaed8330721e48f398f877fc0ed68a983d3191a37

  • SHA512

    6569b0e4f8c5a58bb16dd950de3ccef42fc18b7569d73c9e0042e2b66b2cf5c35154865509dfe959ddb61b4dc41e802cb076d21bf43994138fad5af405908cea

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

http://readinglistforaugust5.site/

http://readinglistforaugust6.site/

http://readinglistforaugust7.site/

http://readinglistforaugust8.site/

http://readinglistforaugust9.site/

http://readinglistforaugust10.site/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

fe582536ec580228180f270f7cb80a867860e010

Attributes
  • url4cnc

    https://telete.in/xylichanjk

rc4.plain
rc4.plain

Extracted

Family

vidar

Version

40.1

Botnet

824

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    824

Extracted

Family

redline

Botnet

Shitline

C2

ovarishean.xyz:80

Extracted

Family

vidar

Version

40.1

Botnet

903

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    903

Targets

    • Target

      ca12d3f00e654a8c51e15c6eaed8330721e48f398f877.exe

    • Size

      263KB

    • MD5

      a5c61aea82c6c065e1c6c1ae083effd7

    • SHA1

      a7f6f6976bf1acce0d2f4662100eaf019fd405eb

    • SHA256

      ca12d3f00e654a8c51e15c6eaed8330721e48f398f877fc0ed68a983d3191a37

    • SHA512

      6569b0e4f8c5a58bb16dd950de3ccef42fc18b7569d73c9e0042e2b66b2cf5c35154865509dfe959ddb61b4dc41e802cb076d21bf43994138fad5af405908cea

    • 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 Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

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

    • Nirsoft

    • 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.

    • 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

    • 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

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks