Resubmissions

15-09-2021 19:17

210915-xznwasbbg4 10

15-09-2021 19:07

210915-xs5kgabbf5 10

General

  • Target

    585aa60f224f5f7b3696efafbb7b6f4cc9d3b029964f80fb83c02f55d1a52b27

  • Size

    164KB

  • Sample

    210915-xznwasbbg4

  • MD5

    47501bca2d855a6792f7cd363796356c

  • SHA1

    43f3eb90cb3edceba86c682958af8c825a587cfd

  • SHA256

    585aa60f224f5f7b3696efafbb7b6f4cc9d3b029964f80fb83c02f55d1a52b27

  • SHA512

    64ba1d47162cc92b96b1ad581b3288b5869e2baf14d72496ee633fa28caae3c438ceebc96fe633e00253acb2d987c2ad54360e4976ff160e78af6826c5d466af

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://fazanaharahe1.xyz/

http://xandelissane2.xyz/

http://ustiassosale3.xyz/

http://cytheriata4.xyz/

http://ggiergionard5.xyz/

http://rrelleynaniy6.store/

http://danniemusoa7.store/

http://nastanizab8.store/

http://onyokandis9.store/

http://dmunaavank10.store/

http://gilmandros11.site/

http://cusanthana12.site/

http://willietjeana13.site/

http://ximusokall14.site/

http://blodinetisha15.site/

http://urydiahadyss16.club/

http://glasamaddama17.club/

http://marlingarly18.club/

http://alluvianna19.club/

http://xandirkaniel20.club/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

e89524de1a131be43c3cc9ec324dabb6a9998c12

Attributes
  • url4cnc

    https://telete.in/httpnotdetect1

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

Mix 1592021

C2

93.115.20.139:28978

Extracted

Family

redline

Botnet

33

C2

94.26.248.150:17618

Extracted

Family

redline

Botnet

win10

C2

95.37.95.152:64263

Targets

    • Target

      585aa60f224f5f7b3696efafbb7b6f4cc9d3b029964f80fb83c02f55d1a52b27

    • Size

      164KB

    • MD5

      47501bca2d855a6792f7cd363796356c

    • SHA1

      43f3eb90cb3edceba86c682958af8c825a587cfd

    • SHA256

      585aa60f224f5f7b3696efafbb7b6f4cc9d3b029964f80fb83c02f55d1a52b27

    • SHA512

      64ba1d47162cc92b96b1ad581b3288b5869e2baf14d72496ee633fa28caae3c438ceebc96fe633e00253acb2d987c2ad54360e4976ff160e78af6826c5d466af

    • 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

    • Tofsee

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

    • Windows security bypass

    • evasion

      evasion.

    • xmrig

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

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

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

3
T1112

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

4
T1005

Tasks