General

  • Target

    2bce3a7626d8195271ce4070de959a6e16d925adc63c7f0fa026e63c27be175d

  • Size

    2.6MB

  • Sample

    240528-xqftbsgc4v

  • MD5

    45bbd2fc74ba00cb461199f56b50b22f

  • SHA1

    ed109ac0fcbf9e08bfe310bfecfe36002aadd4c8

  • SHA256

    2bce3a7626d8195271ce4070de959a6e16d925adc63c7f0fa026e63c27be175d

  • SHA512

    95dc5a26e355370d3feaa3a7347c499516a8ee146bcaf6780bcaec9fe4d36372156f1aa871e66e7223287c7858097b72dd8091fa43d79b918910faf435daa81e

  • SSDEEP

    49152:XQzIzMiqCNweJtTF+TxMoxc1TU+j+dAzGwlrh:XY598rtIuoITsdZ

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

      2bce3a7626d8195271ce4070de959a6e16d925adc63c7f0fa026e63c27be175d

    • Size

      2.6MB

    • MD5

      45bbd2fc74ba00cb461199f56b50b22f

    • SHA1

      ed109ac0fcbf9e08bfe310bfecfe36002aadd4c8

    • SHA256

      2bce3a7626d8195271ce4070de959a6e16d925adc63c7f0fa026e63c27be175d

    • SHA512

      95dc5a26e355370d3feaa3a7347c499516a8ee146bcaf6780bcaec9fe4d36372156f1aa871e66e7223287c7858097b72dd8091fa43d79b918910faf435daa81e

    • SSDEEP

      49152:XQzIzMiqCNweJtTF+TxMoxc1TU+j+dAzGwlrh:XY598rtIuoITsdZ

    • 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 Enterprise v15

Tasks