Resubmissions

20-05-2023 01:01

230520-bdhlhahd64 10

20-05-2023 00:59

230520-bb6wbahd52 10

17-05-2023 15:12

230517-sld2qafe25 10

16-05-2023 18:13

230516-wt6ngsbb3s 10

16-05-2023 18:11

230516-wsz5babb2w 10

16-05-2023 18:10

230516-wr6wgabb2s 10

16-05-2023 18:03

230516-wm22qabh79 10

General

  • Target

    a.bin

  • Size

    5KB

  • Sample

    230517-sld2qafe25

  • MD5

    69525fa93fd47eb3c533afe3b1baba48

  • SHA1

    3dea1b337987177c73c64e89b370d90dc94c64cb

  • SHA256

    8e9c6b72a19705e65d654814d0770a67c7c4a2e52915f6115dc740ab254ed4a9

  • SHA512

    909202467de5c96404c154cd3be55643df62c13c395bd6e0406be5834c3a10b953f42cc3520ac5979af754af192260ec737d19892333e5a8dfab79aef9b23182

  • SSDEEP

    48:6di2oYDjX9iqhf3FXfkQHjJhyPFlWa8tYDdqIYM/cphuOulavTqXSfbNtm:uNiqp3JkQHyDUtE2WcpisvNzNt

Malware Config

Extracted

Family

vidar

Version

3.9

Botnet

da3b70a6d41764717ff479f0edd50071

C2

https://steamcommunity.com/profiles/76561199263069598

https://t.me/cybehost

Attributes
  • profile_id_v2

    da3b70a6d41764717ff479f0edd50071

  • user_agent

    Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.7 (like Gecko) (Debian)

Targets

    • Target

      a.bin

    • Size

      5KB

    • MD5

      69525fa93fd47eb3c533afe3b1baba48

    • SHA1

      3dea1b337987177c73c64e89b370d90dc94c64cb

    • SHA256

      8e9c6b72a19705e65d654814d0770a67c7c4a2e52915f6115dc740ab254ed4a9

    • SHA512

      909202467de5c96404c154cd3be55643df62c13c395bd6e0406be5834c3a10b953f42cc3520ac5979af754af192260ec737d19892333e5a8dfab79aef9b23182

    • SSDEEP

      48:6di2oYDjX9iqhf3FXfkQHjJhyPFlWa8tYDdqIYM/cphuOulavTqXSfbNtm:uNiqp3JkQHyDUtE2WcpisvNzNt

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Stops running service(s)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Uses the VBS compiler for execution

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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

Execution

Scripting

1
T1064

Persistence

Modify Existing Service

1
T1031

Hidden Files and Directories

1
T1158

Defense Evasion

Impair Defenses

1
T1562

Scripting

1
T1064

Hidden Files and Directories

1
T1158

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks