General

  • Target

    a1b820d175017bf86301027a245e067b6b7679ecd4a06c1c9f36bee435e4b7e0

  • Size

    167KB

  • Sample

    211112-rtl7maafej

  • MD5

    c32071ba6ba45d4c3a6950ac1eecd15b

  • SHA1

    c8b6d66e3a2e6769f0aa06093b43762a3581d193

  • SHA256

    a1b820d175017bf86301027a245e067b6b7679ecd4a06c1c9f36bee435e4b7e0

  • SHA512

    2de1272edda8f3fda3061f0f682bb4cc35c8f739dd5fd0f74021dfb992eef673b6041d25f6a14902657e859d46e46de96b71ed433baa7f32fff14794f622ca75

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://nalirou70.top/

http://xacokuo80.top/

http://nusurtal4f.net/

http://netomishnetojuk.net/

http://escalivrouter.net/

http://nick22doom4.net/

http://wrioshtivsio.su/

http://nusotiso4.su/

http://rickkhtovkka.biz/

http://palisotoliso.net/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

redline

C2

185.159.80.90:38637

Extracted

Family

redline

Botnet

SuperStar

C2

185.215.113.29:36224

Extracted

Family

raccoon

Botnet

8dec62c1db2959619dca43e02fa46ad7bd606400

Attributes
  • url4cnc

    http://telegin.top/capibar

    http://ttmirror.top/capibar

    http://teletele.top/capibar

    http://telegalive.top/capibar

    http://toptelete.top/capibar

    http://telegraf.top/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

4557a7b982bafcd677193713fa5041fa32e7e61e

Attributes
  • url4cnc

    http://91.219.236.162/agrybirdsgamerept

    http://185.163.47.176/agrybirdsgamerept

    http://193.38.54.238/agrybirdsgamerept

    http://74.119.192.122/agrybirdsgamerept

    http://91.219.236.240/agrybirdsgamerept

rc4.plain
rc4.plain

Targets

    • Target

      a1b820d175017bf86301027a245e067b6b7679ecd4a06c1c9f36bee435e4b7e0

    • Size

      167KB

    • MD5

      c32071ba6ba45d4c3a6950ac1eecd15b

    • SHA1

      c8b6d66e3a2e6769f0aa06093b43762a3581d193

    • SHA256

      a1b820d175017bf86301027a245e067b6b7679ecd4a06c1c9f36bee435e4b7e0

    • SHA512

      2de1272edda8f3fda3061f0f682bb4cc35c8f739dd5fd0f74021dfb992eef673b6041d25f6a14902657e859d46e46de96b71ed433baa7f32fff14794f622ca75

    • NetSupport

      NetSupport is a remote access tool sold as a legitimate system administration software.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • 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 JS/Nemucod.M.gen downloading EXE payload

      suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

    • suricata: ET MALWARE Known Sinkhole Response Header

      suricata: ET MALWARE Known Sinkhole Response Header

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

      suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    • 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)

    • Blocklisted process makes network request

    • 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

    • Drops startup file

    • 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

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks