General

  • Target

    e3669e0c7411b8076593b7c5fe98968339f49601883913b7476f3a8fb1f18d9b

  • Size

    2.0MB

  • Sample

    240525-b84gfsad51

  • MD5

    ee67d296437a97235ab086586d28062f

  • SHA1

    ddd30b333808033ca6ec274f359d1ad3724b7b3c

  • SHA256

    e3669e0c7411b8076593b7c5fe98968339f49601883913b7476f3a8fb1f18d9b

  • SHA512

    225f34d878e709eaa3ebe7656e4648c27a2bf08647cd85d58fdb5e3ac37d9eba41f87555110728e84bd6ac6466d79e9d4421c04c68adb20eac50f51181d15d6a

  • SSDEEP

    49152:s4K3x1vUKJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18KtIuoITsdZ

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

      e3669e0c7411b8076593b7c5fe98968339f49601883913b7476f3a8fb1f18d9b

    • Size

      2.0MB

    • MD5

      ee67d296437a97235ab086586d28062f

    • SHA1

      ddd30b333808033ca6ec274f359d1ad3724b7b3c

    • SHA256

      e3669e0c7411b8076593b7c5fe98968339f49601883913b7476f3a8fb1f18d9b

    • SHA512

      225f34d878e709eaa3ebe7656e4648c27a2bf08647cd85d58fdb5e3ac37d9eba41f87555110728e84bd6ac6466d79e9d4421c04c68adb20eac50f51181d15d6a

    • SSDEEP

      49152:s4K3x1vUKJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18KtIuoITsdZ

    • 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