Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-07-2023 22:20

General

  • Target

    tmp.exe

  • Size

    43KB

  • MD5

    7c93d0dd185ced28f3308d11090c7b6e

  • SHA1

    a284043dda984e947e33c90a990168541de57c4d

  • SHA256

    d7dd571b86ec131932b440a9599ce3d9b249bbf1af9f5e722631e5f7a842e925

  • SHA512

    f7045c71acc444c4149b1a57e90d6a5454c1f33a55f5dd430ba7e72a3b5dc4ea95b58cdfda4a0551bb5296c29a72d65589ec07942a99ce9dba9ae3db4d093e5f

  • SSDEEP

    768:dLJVNIWF8SfcccccccccccccccnOOOOOOOOOOOOOOuSrl57WNqE1U4O3CH:1JVNE7rl5CNtaaH

Malware Config

Extracted

Family

purecrypter

C2

http://192.210.215.42/v/panel/uploads/Dnlanfmltc.vdf

Signatures

  • PureCrypter

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

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2924
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p
    1⤵
    • Drops file in System32 directory
    PID:4496

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2924-133-0x0000000000900000-0x0000000000910000-memory.dmp

    Filesize

    64KB

  • memory/2924-134-0x0000000074880000-0x0000000075030000-memory.dmp

    Filesize

    7.7MB

  • memory/2924-135-0x0000000074880000-0x0000000075030000-memory.dmp

    Filesize

    7.7MB