purecrypter | 164df1aecac769eb2d9485abcb776f9ee55fc1e297c5b8b2bc50009e786d41b2 | Triage

Analysis

max time kernel
141s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2023 13:44

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General

Target

newsoftware-tester.exe
Size

6KB
MD5

d785e46b0d269b0578dcfd1b90375a6a
SHA1

d1c4a196f24f0659c29fb05e99e690c87bf6d673
SHA256

164df1aecac769eb2d9485abcb776f9ee55fc1e297c5b8b2bc50009e786d41b2
SHA512

ea93bf91f0035a2996f227e04ccca718a9a470ca477e2e5af12a5180c70c62d6efcdbfd29d40e0458baa5ebdd525b5281e342ec29d01fc6fc9173a5b625704c3
SSDEEP

96:673zsN+JBcMAiLt6NkIJmaI8RP4e/kvHxNezNt:oo+MOLtErRJcvb4

Score

10^/10

purecrypter downloader loader

Malware Config

Extracted

Family

purecrypter

C2

http://justnormalsite.ddns.net/SystemEnv/uploads/newsoftware-tester_Ilbiekxz.png

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
2248	4944	WerFault.exe	81

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4944	newsoftware-tester.exe

C:\Users\Admin\AppData\Local\Temp\newsoftware-tester.exe
"C:\Users\Admin\AppData\Local\Temp\newsoftware-tester.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4944
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 1744
  2⤵
  - Program crash
  PID:2248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 4944 -ip 4944
1⤵
PID:3632

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4944-132-0x0000000000E70000-0x0000000000E78000-memory.dmp

Filesize
32KB

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