General

  • Target

    F1F4.exe

  • Size

    311KB

  • Sample

    210215-kd8twz8aza

  • MD5

    1f48d852af6100c7255073e0be6e46a7

  • SHA1

    addcc10f9250fb8611c62a7d417ba93b0d37847a

  • SHA256

    a8fecd697ac06951698a62a52738c28642eee990e9500d836f63a90dad05f756

  • SHA512

    2939aff2af9fdc3316331e7dab6140a82fe82674c04080c42dc6cef6a4d946c78dfa4143a764a33774c02f6ea654c2ae1d8fb0aa1a46ae438a4a064f300b7cb9

Malware Config

Extracted

Family

smokeloader

Version

2019

C2

http://10022020newfolder1002002131-service1002.space/

http://10022020newfolder1002002231-service1002.space/

http://10022020newfolder3100231-service1002.space/

http://10022020newfolder1002002431-service1002.space/

http://10022020newfolder1002002531-service1002.space/

http://10022020newfolder33417-01242510022020.space/

http://10022020test125831-service1002012510022020.space/

http://10022020test136831-service1002012510022020.space/

http://10022020test147831-service1002012510022020.space/

http://10022020test146831-service1002012510022020.space/

http://10022020test134831-service1002012510022020.space/

http://10022020est213531-service100201242510022020.ru/

http://10022020yes1t3481-service1002012510022020.ru/

http://10022020test13561-service1002012510022020.su/

http://10022020test14781-service1002012510022020.info/

http://10022020test13461-service1002012510022020.net/

http://10022020test15671-service1002012510022020.tech/

http://10022020test12671-service1002012510022020.online/

http://10022020utest1341-service1002012510022020.ru/

http://10022020uest71-service100201dom2510022020.ru/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

9ba64f4b6fe448911470a88f09d6e7d5b92ff0ab

Attributes
  • url4cnc

    https://telete.in/jagressor_kz

rc4.plain
rc4.plain

Targets

    • Target

      F1F4.exe

    • Size

      311KB

    • MD5

      1f48d852af6100c7255073e0be6e46a7

    • SHA1

      addcc10f9250fb8611c62a7d417ba93b0d37847a

    • SHA256

      a8fecd697ac06951698a62a52738c28642eee990e9500d836f63a90dad05f756

    • SHA512

      2939aff2af9fdc3316331e7dab6140a82fe82674c04080c42dc6cef6a4d946c78dfa4143a764a33774c02f6ea654c2ae1d8fb0aa1a46ae438a4a064f300b7cb9

    • 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.

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

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • 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

      Detects Themida, Advanced Windows software protection system.

    • 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 physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
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

2
T1005

Tasks