General

  • Target

    cd62e4fee322712a02787bcc881712ee41b99f8e8de3e425d90399bf5bf5fe75.exe

  • Size

    145KB

  • Sample

    210823-klb94t49vs

  • MD5

    a76ca993bfa88c55aade74519e1bf5e5

  • SHA1

    e99d9d5217ecab7b1de140f2dc0bf0a3f8747f25

  • SHA256

    cd62e4fee322712a02787bcc881712ee41b99f8e8de3e425d90399bf5bf5fe75

  • SHA512

    e6fc1428818f48d548e6a1d970ff7c4cf11e3f326f79c0416acd61fa2061b0c2285a502576ede678879c9b80410c9d5ae9451e83b2f3b09c6792d7f1e9e95ea6

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

@soul3ss

C2

188.130.139.12:30376

Targets

    • Target

      cd62e4fee322712a02787bcc881712ee41b99f8e8de3e425d90399bf5bf5fe75.exe

    • Size

      145KB

    • MD5

      a76ca993bfa88c55aade74519e1bf5e5

    • SHA1

      e99d9d5217ecab7b1de140f2dc0bf0a3f8747f25

    • SHA256

      cd62e4fee322712a02787bcc881712ee41b99f8e8de3e425d90399bf5bf5fe75

    • SHA512

      e6fc1428818f48d548e6a1d970ff7c4cf11e3f326f79c0416acd61fa2061b0c2285a502576ede678879c9b80410c9d5ae9451e83b2f3b09c6792d7f1e9e95ea6

    • 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.

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

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

    • 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.

    • Deletes itself

    • 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

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks