Analysis

  • max time kernel
    129s
  • max time network
    147s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19-03-2024 18:55

General

  • Target

    9a4b452634bd83958db7d43c8f35afa8959dfb591174cf08da59e59055099f6b.exe

  • Size

    6KB

  • MD5

    4a8b3b7b4f48c262be27fdc0c2e2c2a7

  • SHA1

    789651c776aaf158a11c28495dba518ebe12200a

  • SHA256

    9a4b452634bd83958db7d43c8f35afa8959dfb591174cf08da59e59055099f6b

  • SHA512

    92fd647f55418691be466d8ba43990e93f91d1a59552bf29276ff8b53d990abb2246084609a8da1726df917e4a8f5237141c1dd39241a69d1e8f3b5aaa32ece1

  • SSDEEP

    96:2V/IXEtx/s2UsObW3eHnojE1dzsq35jGglKRFnU:2JIXux5UsIWOIATzsQ5xKg

Malware Config

Extracted

Family

purecrypter

C2

https://janiking.xyz/loader/uploads/Vpeswawqko_Gvaqkdrq.bmp

Signatures

  • PureCrypter

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a4b452634bd83958db7d43c8f35afa8959dfb591174cf08da59e59055099f6b.exe
    "C:\Users\Admin\AppData\Local\Temp\9a4b452634bd83958db7d43c8f35afa8959dfb591174cf08da59e59055099f6b.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3144

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3144-0-0x0000000000050000-0x0000000000058000-memory.dmp

    Filesize

    32KB

  • memory/3144-1-0x0000000074D10000-0x00000000754C1000-memory.dmp

    Filesize

    7.7MB

  • memory/3144-2-0x0000000004A70000-0x0000000004A80000-memory.dmp

    Filesize

    64KB

  • memory/3144-3-0x0000000074D10000-0x00000000754C1000-memory.dmp

    Filesize

    7.7MB

  • memory/3144-4-0x0000000004A70000-0x0000000004A80000-memory.dmp

    Filesize

    64KB