General

  • Target

    ChromiumUpdate (2).zip

  • Size

    2.4MB

  • Sample

    230104-yyt7csda3v

  • MD5

    4907d04829cc8f7b394077575d760cf3

  • SHA1

    9d310f32383152fe5b7e5ab8e9d7c79580a5ee00

  • SHA256

    d5dbca59c974672951a8af8b9f2aff4e2a9bd5121f62d1b4fcd75b4dae57242c

  • SHA512

    dd6a19c315f890b16ebcc14d7471ef8ee7a4385319466ccd3a32916b2d9a2bc9e8c3a1f2a59320e92aec1ce68f6bdaf427694d6acb1f8674e861b3e17ddfa8b2

  • SSDEEP

    49152:RvK9OM7KNn68K4wjTLn53lRnLpG8NiInhMU7CPftm:JK9YA870TdBlx7z

Malware Config

Extracted

Family

redline

Botnet

Chromiumtest2

C2

81.19.141.97:6257

Attributes
  • auth_value

    0da7df7b16f50445a027d0c932929d58

Targets

    • Target

      ChromiumUpdateDriver.exe

    • Size

      750.0MB

    • MD5

      16a50ff5dce012b3ab124287cf37e94e

    • SHA1

      d08cfdb1603d03605536f49e1a6da0027f8d400b

    • SHA256

      2cb36751860cf91ba6851f0b6df29f25e6d018c337116f37b2a67ea37692b207

    • SHA512

      24a24d0dd1459d0603d70e7c725030a16c8e8fb880b158039ba250ce1c073257e5341b0986ff5399fdb505b8326f3bc6cba099460296f860d2a320e4c0ecd8a9

    • SSDEEP

      49152:Oimed8uFB0yNksAZFiFymR5vkbyJMrLjJxmO/qCPcc:Tmc8uFBnN5IFiMcavPg

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Reads user/profile data of web browsers

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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks