General

  • Target

    d622f53404f8f85ff0a0f25982346da4d909eba2de0fe3612a2bd5feeac9c5c5

  • Size

    2.0MB

  • Sample

    240526-hp988abe75

  • MD5

    502109d9e9f43e644d4b258277685726

  • SHA1

    1ad606cab70ee08d1d97e883fc77e981a851fbf5

  • SHA256

    d622f53404f8f85ff0a0f25982346da4d909eba2de0fe3612a2bd5feeac9c5c5

  • SHA512

    25a73a15799a70e768bed5eea2bd4f26440ad5502f646ccaaa5bc00f687a3590fe35dbbfcb1959459e261c5dbef989583c44452a24456719eb2c41da847cfae3

  • SSDEEP

    49152:s4K3x1vUqJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18qtIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199689717899

https://t.me/copterwin

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      d622f53404f8f85ff0a0f25982346da4d909eba2de0fe3612a2bd5feeac9c5c5

    • Size

      2.0MB

    • MD5

      502109d9e9f43e644d4b258277685726

    • SHA1

      1ad606cab70ee08d1d97e883fc77e981a851fbf5

    • SHA256

      d622f53404f8f85ff0a0f25982346da4d909eba2de0fe3612a2bd5feeac9c5c5

    • SHA512

      25a73a15799a70e768bed5eea2bd4f26440ad5502f646ccaaa5bc00f687a3590fe35dbbfcb1959459e261c5dbef989583c44452a24456719eb2c41da847cfae3

    • SSDEEP

      49152:s4K3x1vUqJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18qtIuoITsdZ

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks