Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2023 16:25

General

  • Target

    RH23148 PO-1483.scr.exe

  • Size

    14KB

  • MD5

    87855d601e472d9d37e772e53029dacf

  • SHA1

    dd320d1aab72cf9c3f3f7fb08a71aeab98309fd4

  • SHA256

    39b10e16dcda487ccf77695191c4c5e45d7e3b1ca85099f4bd934f260dc7ef62

  • SHA512

    c396621f95faaae4fb94f309b498f1f52620bf912ca5e2cd75dfd3ec2f796ebae31f44ebb749691f9cbaf26ad7546200697c534bdd1d530cd22bb504ff733c93

  • SSDEEP

    192:Cebp4jyqq7b2GG0/j4XlOgTQe4tt9nSidoo79ED607Ib:CebayqO2GGxXlDTQe49SCMI

Malware Config

Extracted

Family

purecrypter

C2

https://suad.group/Lypqx.mp3

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\RH23148 PO-1483.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\RH23148 PO-1483.scr.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:840

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/840-0-0x0000000000FC0000-0x0000000000FC8000-memory.dmp

    Filesize

    32KB

  • memory/840-1-0x000007FEF5B00000-0x000007FEF64EC000-memory.dmp

    Filesize

    9.9MB

  • memory/840-2-0x000000001B230000-0x000000001B2B0000-memory.dmp

    Filesize

    512KB

  • memory/840-3-0x000007FEF5B00000-0x000007FEF64EC000-memory.dmp

    Filesize

    9.9MB