Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2025 03:55

General

  • Target

    bf6aabd3c8fc42049fc6435f2432c97a8e8aa3258e0591b3756d5d84df2b3e6c.exe

  • Size

    12KB

  • MD5

    d165a97582770739cc7b847e1b5dbeef

  • SHA1

    fa06c1014fa0810e3ea2cbc661e9bb443461ad9e

  • SHA256

    bf6aabd3c8fc42049fc6435f2432c97a8e8aa3258e0591b3756d5d84df2b3e6c

  • SHA512

    2e4f226bf38340ea356c6003549bccfca562247375475b82e92ba97d9f7969fc795e2a3134dbcb0aecec2bc3df48785552995ce4714aff627fc101caa379f9dc

  • SSDEEP

    192:aQx1U46h8FHN3t4Ag/MkpAfQZz/IJ5ev:/y8FHNmZMkpAIZz/ILe

Malware Config

Extracted

Family

purecrypter

C2

https://www.vascocorretora.com.br/PPI/Lhysknv.dat

Signatures

  • PureCrypter

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

  • Purecrypter family
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf6aabd3c8fc42049fc6435f2432c97a8e8aa3258e0591b3756d5d84df2b3e6c.exe
    "C:\Users\Admin\AppData\Local\Temp\bf6aabd3c8fc42049fc6435f2432c97a8e8aa3258e0591b3756d5d84df2b3e6c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4456-0-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

    Filesize

    4KB

  • memory/4456-1-0x0000000000A80000-0x0000000000A88000-memory.dmp

    Filesize

    32KB

  • memory/4456-2-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/4456-3-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

    Filesize

    4KB

  • memory/4456-4-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB