Resubmissions

08-11-2021 14:05

211108-rdywgshdbk 10

08-11-2021 13:46

211108-q2zl9ahcgq 10

General

  • Target

    040d9a95f9e954e29ceb2469fcf3a9e9.exe

  • Size

    228KB

  • Sample

    211108-q2zl9ahcgq

  • MD5

    040d9a95f9e954e29ceb2469fcf3a9e9

  • SHA1

    e04f9f919575e694dc4fe2f7f4646fc3440457b5

  • SHA256

    b6a1ce3e1d1dfa3057e7473c9219ba29218014de81c922ad38e96800c1f388e7

  • SHA512

    6fd2ae969ea6e3184929aa8e04a024432a135523a9508acf0372b2821660df1aace14a97de195101a6f2af0667ad4b7b64b60b3c414cac9a30079485f6bd4669

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

tofsee

C2

quadoil.ru

lakeflex.ru

Extracted

Family

redline

Botnet

new2

C2

93.115.20.139:28978

Extracted

Family

redline

Botnet

SuperStar

C2

185.215.113.29:36224

Extracted

Family

raccoon

Version

1.8.3

Botnet

a741159db87f9df2b687764994c63c4c859ea476

Attributes
  • url4cnc

    http://178.23.190.57/hiioBlacklight1

    http://91.219.236.162/hiioBlacklight1

    http://185.163.47.176/hiioBlacklight1

    http://193.38.54.238/hiioBlacklight1

    http://74.119.192.122/hiioBlacklight1

    http://91.219.236.240/hiioBlacklight1

    https://t.me/hiioBlacklight1

rc4.plain
rc4.plain

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

redline

Botnet

zolosad

C2

65.108.55.203:56717

Targets

    • Target

      040d9a95f9e954e29ceb2469fcf3a9e9.exe

    • Size

      228KB

    • MD5

      040d9a95f9e954e29ceb2469fcf3a9e9

    • SHA1

      e04f9f919575e694dc4fe2f7f4646fc3440457b5

    • SHA256

      b6a1ce3e1d1dfa3057e7473c9219ba29218014de81c922ad38e96800c1f388e7

    • SHA512

      6fd2ae969ea6e3184929aa8e04a024432a135523a9508acf0372b2821660df1aace14a97de195101a6f2af0667ad4b7b64b60b3c414cac9a30079485f6bd4669

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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.

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • suricata: ET MALWARE Known Sinkhole Response Header

      suricata: ET MALWARE Known Sinkhole Response Header

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

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

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

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

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Nirsoft

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Tasks