General

  • Target

    Setup_v2.exe

  • Size

    2.3MB

  • Sample

    211024-xbrmaaehd9

  • MD5

    e79b93e4d18b64d420369753c629dc49

  • SHA1

    c9d73d76fb87bdf193eaf324338f6d77791c65b4

  • SHA256

    05514362132a92d5bbecd39609b67af1e3f1d4a79c2c13f2f15e6f3c314f812e

  • SHA512

    a492b7fd40885d56dbdf2fff814fbb884f09153049a47cb9c6fec414eaf50fd01885802854b92e0e36714b61563aaa657800dbb1919b942b131c78615caa373b

Malware Config

Targets

    • Target

      Setup_v2.exe

    • Size

      2.3MB

    • MD5

      e79b93e4d18b64d420369753c629dc49

    • SHA1

      c9d73d76fb87bdf193eaf324338f6d77791c65b4

    • SHA256

      05514362132a92d5bbecd39609b67af1e3f1d4a79c2c13f2f15e6f3c314f812e

    • SHA512

      a492b7fd40885d56dbdf2fff814fbb884f09153049a47cb9c6fec414eaf50fd01885802854b92e0e36714b61563aaa657800dbb1919b942b131c78615caa373b

    • 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.

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks