General

  • Target

    0aae81097ced637ea1154e678d97e240c383ecba268d215146032e35154723c9

  • Size

    272KB

  • Sample

    221005-1bzvfafhhp

  • MD5

    df6289ebc7374f7a002bfc9af23eb0f4

  • SHA1

    dc054153917c246b3a33f8bfb6b2c8e9c31e0166

  • SHA256

    0aae81097ced637ea1154e678d97e240c383ecba268d215146032e35154723c9

  • SHA512

    9e81503298744eae0c3c8f36338647d71f94592daf13175df43d44177fbb680e70595fbefdb37f2b23dbe96dad6e6ca909ac3f2bcfd8f5e1772f60ba7b8dadd8

  • SSDEEP

    6144:g+if3L6bVchcNBbsMQzgEURuzbgwuq7jgfwVfUU:gHubVRNlsMigEWunnx7wU

Malware Config

Extracted

Family

vidar

Version

54.9

Botnet

1681

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes
  • profile_id

    1681

Targets

    • Target

      0aae81097ced637ea1154e678d97e240c383ecba268d215146032e35154723c9

    • Size

      272KB

    • MD5

      df6289ebc7374f7a002bfc9af23eb0f4

    • SHA1

      dc054153917c246b3a33f8bfb6b2c8e9c31e0166

    • SHA256

      0aae81097ced637ea1154e678d97e240c383ecba268d215146032e35154723c9

    • SHA512

      9e81503298744eae0c3c8f36338647d71f94592daf13175df43d44177fbb680e70595fbefdb37f2b23dbe96dad6e6ca909ac3f2bcfd8f5e1772f60ba7b8dadd8

    • SSDEEP

      6144:g+if3L6bVchcNBbsMQzgEURuzbgwuq7jgfwVfUU:gHubVRNlsMigEWunnx7wU

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks