4e6015f1e7c8790a2907de407d2ea9e14ccc04e925c81607fb815bd73c372389

General

Target

file.exe
Size

1.7MB
MD5

a615f2eee64c5d7449a8792cc782b6d6
SHA1

cf1dff4fbbf172c6870c30fc3784bdbd53d49a69
SHA256

4e6015f1e7c8790a2907de407d2ea9e14ccc04e925c81607fb815bd73c372389
SHA512

9b0a2e7c7c4310300cb7f1f14d8b9ec11c7e5d6013b0bdf5c33af9e8f3de92be74ac95d83c0b637e6919f61cdffd8f7a9bf7c5411c23fcdf56b2a753a2830f0c
SSDEEP

49152:8kQTAxXCwWJ7d2JtVYtcbQk4fkr73Vreyvi1wwlaYjYMm3:8axbhJItfxMP3Visi1r7sMm

Score

7^/10

Malware Config

Signatures

.NET Reactor proctector 23 IoCs

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

Processes:

resource	yara_rule
behavioral1/memory/2220-0-0x0000000004F20000-0x00000000050CC000-memory.dmp	net_reactor
behavioral1/memory/2220-3-0x0000000004D30000-0x0000000004D70000-memory.dmp	net_reactor
behavioral1/memory/2220-4-0x0000000004D70000-0x0000000004F1C000-memory.dmp	net_reactor
behavioral1/memory/2220-5-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-6-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-8-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-10-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-14-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-12-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-16-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-22-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-20-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-18-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-24-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-28-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-26-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-32-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-30-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-34-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-36-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-38-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-40-0x0000000004D70000-0x0000000004F15000-memory.dmp	net_reactor
behavioral1/memory/2220-48-0x0000000004D30000-0x0000000004D70000-memory.dmp	net_reactor

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2720 2220 WerFault.exe file.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

file.exe

description pid process

Token: SeDebugPrivilege 2220 file.exe

pid	pid_target	process	target process
2720	2220	WerFault.exe	file.exe

description	pid	process
Token: SeDebugPrivilege	2220	file.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

file.exe

description	pid	process	target process
PID 2220 wrote to memory of 2720	2220	file.exe	WerFault.exe
PID 2220 wrote to memory of 2720	2220	file.exe	WerFault.exe
PID 2220 wrote to memory of 2720	2220	file.exe	WerFault.exe
PID 2220 wrote to memory of 2720	2220	file.exe	WerFault.exe

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:2220
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 604
  2⤵
  - Program crash
  PID:2720

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2220-1-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-0-0x0000000004F20000-0x00000000050CC000-memory.dmp

Filesize
1.7MB

Download
memory/2220-2-0x0000000004D30000-0x0000000004D70000-memory.dmp

Filesize
256KB

Download
memory/2220-3-0x0000000004D30000-0x0000000004D70000-memory.dmp

Filesize
256KB

Download
memory/2220-4-0x0000000004D70000-0x0000000004F1C000-memory.dmp

Filesize
1.7MB

Download
memory/2220-5-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-6-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-8-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-10-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-14-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-12-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-16-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-22-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-20-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-18-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-24-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-28-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-26-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-32-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-30-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-34-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-36-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-38-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-40-0x0000000004D70000-0x0000000004F15000-memory.dmp

Filesize
1.6MB

Download
memory/2220-43-0x0000000002620000-0x0000000004620000-memory.dmp

Filesize
32.0MB

Download
memory/2220-44-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-45-0x0000000004D30000-0x0000000004D70000-memory.dmp

Filesize
256KB

Download
memory/2220-46-0x0000000004D30000-0x0000000004D70000-memory.dmp

Filesize
256KB

Download
memory/2220-47-0x0000000004D30000-0x0000000004D70000-memory.dmp

Filesize
256KB

Download
memory/2220-48-0x0000000004D30000-0x0000000004D70000-memory.dmp

Filesize
256KB

Download
memory/2220-49-0x0000000002620000-0x0000000004620000-memory.dmp

Filesize
32.0MB

Download

Analysis

Sharing