General

  • Target

    d0a4e0e3ed54a45113962e05be0fecc8143c3484fbcbb3c890d8ea41f7586e36.exe

  • Size

    105KB

  • Sample

    230206-h2nwrace46

  • MD5

    a6d97b5c9d9a4932b5c6c7457bc8c60e

  • SHA1

    7afa706e0ad9c9be82711b1b2c1e113534da70c5

  • SHA256

    d0a4e0e3ed54a45113962e05be0fecc8143c3484fbcbb3c890d8ea41f7586e36

  • SHA512

    aa14f821365c6fbe6e7cb1fbae28d59ae879e90d7e6143356b0d8db3fc129ca1486e7ba9973a394d444a51a47fe80e4bd15082506761d7401d4c4ac977800196

  • SSDEEP

    1536:FPRNkYJTrgdiPluOcN6IBVEqp+xJHWe2zm4uz5dh3Hkq4/T6dcE1sgxcirUt:FPR9ttcQIToHWef4u136E6gxcirUt

Malware Config

Extracted

Family

purecrypter

C2

http://modeloartesanatos.com.br/wp-admin/images/Zqchb.bmp

Targets

    • Target

      d0a4e0e3ed54a45113962e05be0fecc8143c3484fbcbb3c890d8ea41f7586e36.exe

    • Size

      105KB

    • MD5

      a6d97b5c9d9a4932b5c6c7457bc8c60e

    • SHA1

      7afa706e0ad9c9be82711b1b2c1e113534da70c5

    • SHA256

      d0a4e0e3ed54a45113962e05be0fecc8143c3484fbcbb3c890d8ea41f7586e36

    • SHA512

      aa14f821365c6fbe6e7cb1fbae28d59ae879e90d7e6143356b0d8db3fc129ca1486e7ba9973a394d444a51a47fe80e4bd15082506761d7401d4c4ac977800196

    • SSDEEP

      1536:FPRNkYJTrgdiPluOcN6IBVEqp+xJHWe2zm4uz5dh3Hkq4/T6dcE1sgxcirUt:FPR9ttcQIToHWef4u136E6gxcirUt

    • Detects Smokeloader packer

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks