General

  • Target

    0286F9B59396CD300DA7E312ACDE0650.exe

  • Size

    4.3MB

  • Sample

    210829-zr9wda2arj

  • MD5

    0286f9b59396cd300da7e312acde0650

  • SHA1

    dd65aee16954c62a471d43ca7664d65dafa6e3e2

  • SHA256

    78e623c6620f1b07f200e69f8d0127229cd3f415575e249b3539aa020c62e4d8

  • SHA512

    0ba088170ef1c8a8088b459ee05ab7bda2adf68c7d98526cab13dbd7251032347a28ed47d68bd9d7e56ca08837ea71eec6c9ce62802b1676c7adc923a1122dc8

Malware Config

Extracted

Family

vidar

Version

40.1

Botnet

706

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

pub1

C2

viacetequn.site:80

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

292.08

C2

95.181.152.47:15089

Targets

    • Target

      0286F9B59396CD300DA7E312ACDE0650.exe

    • Size

      4.3MB

    • MD5

      0286f9b59396cd300da7e312acde0650

    • SHA1

      dd65aee16954c62a471d43ca7664d65dafa6e3e2

    • SHA256

      78e623c6620f1b07f200e69f8d0127229cd3f415575e249b3539aa020c62e4d8

    • SHA512

      0ba088170ef1c8a8088b459ee05ab7bda2adf68c7d98526cab13dbd7251032347a28ed47d68bd9d7e56ca08837ea71eec6c9ce62802b1676c7adc923a1122dc8

    • 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.

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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 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.

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks