Analysis

  • max time kernel
    134s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    19-06-2023 11:07

General

  • Target

    4e88882229d670607cdf3f3e6a236f4900b5ea1763b845f0316b1ca2b38948c8.exe

  • Size

    9KB

  • MD5

    47eb79e25709009fd3f7ce8208cceed3

  • SHA1

    57023d8cdac8c4e5cf5c2f4af8a0840897c8319b

  • SHA256

    4e88882229d670607cdf3f3e6a236f4900b5ea1763b845f0316b1ca2b38948c8

  • SHA512

    8c246c61474be7ba26be70fba1bbb4354ff801b5ecbed8488cb065a159220b79d3757ccb99c24f840398676c433a35bf4fffc635782f5e9bf1ebbb240f3a984f

  • SSDEEP

    192:axUkB9vxf0m0lkmXCWUd+2T/pBdLtRyUetdbfhNQ6WbvWv:amWPfskXWUd7T/pLLtdwThNrWbvW

Malware Config

Extracted

Family

purecrypter

C2

http://80.66.75.37/Iemac.dll

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\4e88882229d670607cdf3f3e6a236f4900b5ea1763b845f0316b1ca2b38948c8.exe
    "C:\Users\Admin\AppData\Local\Temp\4e88882229d670607cdf3f3e6a236f4900b5ea1763b845f0316b1ca2b38948c8.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1740

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1740-54-0x00000000001A0000-0x00000000001A8000-memory.dmp

    Filesize

    32KB

  • memory/1740-55-0x0000000004C00000-0x0000000004C40000-memory.dmp

    Filesize

    256KB

  • memory/1740-56-0x0000000004C00000-0x0000000004C40000-memory.dmp

    Filesize

    256KB