General

  • Target

    2c30e7340666a2b59ee88f5250ab50e5.exe

  • Size

    319KB

  • Sample

    210812-grey77llca

  • MD5

    2c30e7340666a2b59ee88f5250ab50e5

  • SHA1

    2a9c301e0c7696130d997e7e1e063388155377e6

  • SHA256

    e43b2359f27dde4a5f8de4483f9db4016bdf1d2dd0a93ebdbc6c599b3bcbf889

  • SHA512

    585aef33960f7942729461e78c6d80e4867e9c724667a9ad884034fb4694e21730b5e304f8c9ab8ad38c6baa00a49201a2b8f4988481d52cb2929d9def55450e

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://91.241.19.52/Api/GetFile2

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

http://readinglistforjuly6.site/

http://readinglistforjuly7.site/

http://readinglistforjuly8.site/

http://readinglistforjuly9.site/

http://readinglistforjuly10.site/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

@gasfer_dark

C2

207.154.240.76:80

Extracted

Family

raccoon

Botnet

2ca2376c561d1af7f8b9e6f3256b06220a3db187

Attributes
  • url4cnc

    https://telete.in/johnyes13

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

cd8dc1031358b1aec55cc6bc447df1018b068607

Attributes
  • url4cnc

    https://telete.in/jagressor_kz

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

471c70de3b4f9e4d493e418d1f60a90659057de0

Attributes
  • url4cnc

    https://telete.in/p1rosto100xx

rc4.plain
rc4.plain

Targets

    • Target

      2c30e7340666a2b59ee88f5250ab50e5.exe

    • Size

      319KB

    • MD5

      2c30e7340666a2b59ee88f5250ab50e5

    • SHA1

      2a9c301e0c7696130d997e7e1e063388155377e6

    • SHA256

      e43b2359f27dde4a5f8de4483f9db4016bdf1d2dd0a93ebdbc6c599b3bcbf889

    • SHA512

      585aef33960f7942729461e78c6d80e4867e9c724667a9ad884034fb4694e21730b5e304f8c9ab8ad38c6baa00a49201a2b8f4988481d52cb2929d9def55450e

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • Raccoon Stealer Payload

    • 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 Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • 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

    • 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 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

    • Adds Run key to start application

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • 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

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks