b58eec6e5aabc701404d5b5556c86fff5cc103c69eeda00061e838c4f122288f

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2024 20:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

file.exe
Size

421KB
MD5

10a331a12ca40f3293dfadfcecb8d071
SHA1

ada41586d1366cf76c9a652a219a0e0562cc41af
SHA256

b58eec6e5aabc701404d5b5556c86fff5cc103c69eeda00061e838c4f122288f
SHA512

1a5b8e77ddbab97bb4c848adbcd7dbfb9ca84307d1844dba9572fcea48a2cbb091a3fc52663b87568416adf18a1338adc07aab0bd5f1ab36a03c8ff8a035d399
SSDEEP

12288:jh1Fk70TnvjcL8o0S86aZ+ldnqA1W0PeF7H:5k70TrcJX32ih1Re7H

Score

7^/10

Malware Config

Signatures

.NET Reactor proctector 3 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

Processes:

resource	yara_rule
behavioral2/memory/2836-6-0x0000000004B30000-0x0000000004B82000-memory.dmp	net_reactor
behavioral2/memory/2836-0-0x00000000024E0000-0x0000000002534000-memory.dmp	net_reactor
behavioral2/memory/2836-21-0x0000000002690000-0x0000000004690000-memory.dmp	net_reactor

Suspicious use of SetThreadContext 1 IoCs

Processes:

file.exe

description	pid	Process	procid_target
PID 2836 set thread context of 3400	2836	file.exe	90

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

file.exe

description	pid	Process	procid_target
PID 2836 wrote to memory of 3400	2836	file.exe	90
PID 2836 wrote to memory of 3400	2836	file.exe	90
PID 2836 wrote to memory of 3400	2836	file.exe	90
PID 2836 wrote to memory of 3400	2836	file.exe	90
PID 2836 wrote to memory of 3400	2836	file.exe	90
PID 2836 wrote to memory of 3400	2836	file.exe	90
PID 2836 wrote to memory of 3400	2836	file.exe	90
PID 2836 wrote to memory of 3400	2836	file.exe	90

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:3400

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2836-12-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2836-13-0x0000000002690000-0x0000000004690000-memory.dmp

Filesize
32.0MB

Download
memory/2836-2-0x0000000004C00000-0x0000000004C10000-memory.dmp

Filesize
64KB

Download
memory/2836-1-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2836-6-0x0000000004B30000-0x0000000004B82000-memory.dmp

Filesize
328KB

Download
memory/2836-5-0x0000000004C10000-0x00000000051B4000-memory.dmp

Filesize
5.6MB

Download
memory/2836-0-0x00000000024E0000-0x0000000002534000-memory.dmp

Filesize
336KB

Download
memory/2836-21-0x0000000002690000-0x0000000004690000-memory.dmp

Filesize
32.0MB

Download
memory/2836-4-0x0000000004C00000-0x0000000004C10000-memory.dmp

Filesize
64KB

Download
memory/2836-3-0x0000000004C00000-0x0000000004C10000-memory.dmp

Filesize
64KB

Download
memory/3400-22-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/3400-17-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/3400-15-0x00000000050D0000-0x00000000050E0000-memory.dmp

Filesize
64KB

Download
memory/3400-14-0x0000000005700000-0x0000000005D18000-memory.dmp

Filesize
6.1MB

Download
memory/3400-18-0x00000000050E0000-0x00000000051EA000-memory.dmp

Filesize
1.0MB

Download
memory/3400-19-0x0000000004FF0000-0x000000000502C000-memory.dmp

Filesize
240KB

Download
memory/3400-20-0x0000000005030000-0x000000000507C000-memory.dmp

Filesize
304KB

Download
memory/3400-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3400-16-0x0000000004F90000-0x0000000004FA2000-memory.dmp

Filesize
72KB

Download