General

  • Target

    ce8aab459e39e3340ece3ae5a4a028276317b550f755b11bf5355a3be7a16c60

  • Size

    138KB

  • Sample

    210828-bv1vew2gce

  • MD5

    c46a72cb047149effb6e1627c7afb205

  • SHA1

    9e1995f01560b9c479c4922e0337e52458248477

  • SHA256

    ce8aab459e39e3340ece3ae5a4a028276317b550f755b11bf5355a3be7a16c60

  • SHA512

    684683e512455dcaca6d17d5c5bb4054f005fd6d39c406cfbfaa23beba477895dd650f0bd5761ac57837ef91f2853fd0c624c72ec0d913651a1aa4bd2193ec4d

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

hello

C2

80.66.87.33:36976

Targets

    • Target

      ce8aab459e39e3340ece3ae5a4a028276317b550f755b11bf5355a3be7a16c60

    • Size

      138KB

    • MD5

      c46a72cb047149effb6e1627c7afb205

    • SHA1

      9e1995f01560b9c479c4922e0337e52458248477

    • SHA256

      ce8aab459e39e3340ece3ae5a4a028276317b550f755b11bf5355a3be7a16c60

    • SHA512

      684683e512455dcaca6d17d5c5bb4054f005fd6d39c406cfbfaa23beba477895dd650f0bd5761ac57837ef91f2853fd0c624c72ec0d913651a1aa4bd2193ec4d

    • 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.

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

    • 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

    • 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