General

  • Target

    a46734dde36484b97066831a0020b0ce.exe

  • Size

    3.7MB

  • Sample

    210704-cdjesnr282

  • MD5

    a46734dde36484b97066831a0020b0ce

  • SHA1

    cdbfbd6a3c351737cc9e3dcdda8adc3670eec6d3

  • SHA256

    d03c955b566ad3308d6f9fe90c320300b097e649c9c7380d48cf06815d4988b9

  • SHA512

    174b88b7fd5bec6bd40788ba5c0c0188ce1d53150e47136062e5ee2e0d50da3819e1c09f1e81a6a425485501f42c404f27d6789d705abc36624816b03ef451f2

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

18_6_bl_84s7

C2

qitoshalan.xyz:80

Extracted

Family

vidar

Version

39.4

Botnet

890

C2

https://sergeevih43.tumblr.com

Attributes
  • profile_id

    890

Targets

    • Target

      a46734dde36484b97066831a0020b0ce.exe

    • Size

      3.7MB

    • MD5

      a46734dde36484b97066831a0020b0ce

    • SHA1

      cdbfbd6a3c351737cc9e3dcdda8adc3670eec6d3

    • SHA256

      d03c955b566ad3308d6f9fe90c320300b097e649c9c7380d48cf06815d4988b9

    • SHA512

      174b88b7fd5bec6bd40788ba5c0c0188ce1d53150e47136062e5ee2e0d50da3819e1c09f1e81a6a425485501f42c404f27d6789d705abc36624816b03ef451f2

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • autoit_exe

      AutoIT scripts compiled to PE executables.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

5
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

4
T1005

Command and Control

Web Service

1
T1102

Tasks