General

  • Target

    78fec74ab13d666b840ddd6d1ed8153b.exe

  • Size

    3.2MB

  • Sample

    210418-6ftk872vys

  • MD5

    78fec74ab13d666b840ddd6d1ed8153b

  • SHA1

    fab833416df470be0208d6c81142cfc1ceedfba8

  • SHA256

    ecf100d294f5b6b63ebc4e1430f6a07b07e3899b0c447a536d7c53c51d711549

  • SHA512

    cddaac6f160cd85e71614882fca9ae7fec406ce464b08adc83415896edb192f9113cf33eab741849684b8210c929c79bb942a11c3509d385148db9e02f8821fa

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://perseus007.xyz/upload/

http://lambos1.xyz/upload/

http://cipluks.com/upload/

http://ragnar77.com/upload/

http://aslauk.com/upload/

http://qunersoo.xyz/upload /

http://hostunes.info/upload/

http://leonisdas.xyz/upload/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

16992cd33145ccbb6feeacb4e84400a56448fa14

Attributes
  • url4cnc

    https://telete.in/baudemars

rc4.plain
rc4.plain

Targets

    • Target

      78fec74ab13d666b840ddd6d1ed8153b.exe

    • Size

      3.2MB

    • MD5

      78fec74ab13d666b840ddd6d1ed8153b

    • SHA1

      fab833416df470be0208d6c81142cfc1ceedfba8

    • SHA256

      ecf100d294f5b6b63ebc4e1430f6a07b07e3899b0c447a536d7c53c51d711549

    • SHA512

      cddaac6f160cd85e71614882fca9ae7fec406ce464b08adc83415896edb192f9113cf33eab741849684b8210c929c79bb942a11c3509d385148db9e02f8821fa

    • 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.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Drops file in Drivers directory

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Modifies file permissions

    • Obfuscated with Agile.Net obfuscator

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

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • 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

    • Looks up external IP address via web service

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

5
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

5
T1005

Command and Control

Web Service

1
T1102

Tasks