General

  • Target

    65624215e9613e4922c32eb184b75ea1334a6a2fa32d45ef535918ef7b9a9eca.exe

  • Size

    4.3MB

  • Sample

    210823-es6tvs5lmj

  • MD5

    e51038570d307a474c11dad48a5503c2

  • SHA1

    ad6d23e0da5e05cac857111ce376d8cf6b46930a

  • SHA256

    65624215e9613e4922c32eb184b75ea1334a6a2fa32d45ef535918ef7b9a9eca

  • SHA512

    f8c918300375d63b46cc580827fe0bbdcaafd2ea51fffc134a10b97f8791d63da3063a4ba1cf6eb381ec63e41c4248bc354743348c9da8ece475f8b0eb3c5cd5

Malware Config

Extracted

Family

vidar

Version

39.9

Botnet

706

C2

https://prophefliloc.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

Build1

C2

45.142.213.135:30058

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/

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

vidar

Version

40.1

Botnet

995

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    995

Targets

    • Target

      65624215e9613e4922c32eb184b75ea1334a6a2fa32d45ef535918ef7b9a9eca.exe

    • Size

      4.3MB

    • MD5

      e51038570d307a474c11dad48a5503c2

    • SHA1

      ad6d23e0da5e05cac857111ce376d8cf6b46930a

    • SHA256

      65624215e9613e4922c32eb184b75ea1334a6a2fa32d45ef535918ef7b9a9eca

    • SHA512

      f8c918300375d63b46cc580827fe0bbdcaafd2ea51fffc134a10b97f8791d63da3063a4ba1cf6eb381ec63e41c4248bc354743348c9da8ece475f8b0eb3c5cd5

    • 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.

    • Socelars

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

    • Socelars Payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Vidar Stealer

    • XMRig Miner Payload

    • 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.

    • 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.

    • Drops file in System32 directory

    • 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

4
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks