purecrypter | ec7ca241abdc7b12dd870aee6feb00f0d5faaf714074246c39c7891f1c8d7149 | Triage

Analysis

max time kernel
91s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
18-02-2023 16:06

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General

Target

file.exe
Size

194KB
MD5

8219cf79a105ecdd2250dc76cd091423
SHA1

ff10eaeabe81cc08b3040cd88474237ceff79626
SHA256

ec7ca241abdc7b12dd870aee6feb00f0d5faaf714074246c39c7891f1c8d7149
SHA512

e4f62a2c4e34538b8f64f3de333792c343fdfd10a2020845f77b0786f910811b5888e525b9ad03e7764b9d07f9e3a28aae59d521280d8911b56e59a42b8080b1
SSDEEP

1536:WuI0RP3VoraIlrxCka52oXKsuWoZLO6zaTlz5vF:WutRvVsVK2OKsuWoZLnaz

Score

10^/10

purecrypter downloader loader

Malware Config

Extracted

Family

purecrypter

C2

http://rssh.li/panel/uploads/Cybfubub.dat

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1464	2280	WerFault.exe	79

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2280
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 1748
  2⤵
  - Program crash
  PID:1464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2280 -ip 2280
1⤵
PID:4624

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2280-132-0x0000000000250000-0x0000000000282000-memory.dmp

Filesize
200KB

Download
memory/2280-133-0x0000000005490000-0x0000000005A34000-memory.dmp

Filesize
5.6MB

Download
memory/2280-134-0x0000000004D30000-0x0000000004DC2000-memory.dmp

Filesize
584KB

Download