purecrypter | 28b96a5ee25d7425acbbad064382cc77e4f91432226f95fe0f94dc2c20188a6b | Triage

Analysis

max time kernel
71s
max time network
60s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
16/02/2023, 12:27

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General

Target

file.exe
Size

1.5MB
MD5

dfbf82564216229e1cf628c6707675ef
SHA1

24eba48f9a0d09c1ab93d81df330d6198394a1df
SHA256

28b96a5ee25d7425acbbad064382cc77e4f91432226f95fe0f94dc2c20188a6b
SHA512

8c522752c60707c5b296e0593704d1e7955a59052c574b41ded23f9a0940138e4b71a8d91389be87ca0e618257cf4f3fe659eb34d01d9c4bfee48b926a050a25
SSDEEP

24576:cP7kDXWkQpq97UrOPdDOBeWICivr9kDXWkQpq97UrOPdDOBeWICivp:cwm5pYI6PdDAeTvr2m5pYI6PdDAeTvp

Score

10^/10

purecrypter downloader loader

Malware Config

Extracted

Family

purecrypter

C2

http://rssh.li/panel/uploads/Qeeiovuiu.dll

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
652	976	WerFault.exe	27

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	976	file.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 976 wrote to memory of 652	976	file.exe	28
PID 976 wrote to memory of 652	976	file.exe	28
PID 976 wrote to memory of 652	976	file.exe	28
PID 976 wrote to memory of 652	976	file.exe	28

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 976 -s 1196
  2⤵
  - Program crash
  PID:652

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/976-54-0x00000000013C0000-0x00000000013E0000-memory.dmp

Filesize
128KB

Download
memory/976-55-0x0000000075891000-0x0000000075893000-memory.dmp

Filesize
8KB

Download