3e8e1eae92427c05d36bbc665721382af5972780e0a7cd44e33f63684b1cf3e2

General

Target

file.exe
Size

727KB
MD5

8b5cf3d102548da37888f34d3d468e27
SHA1

823aa91b6e4ecf3bb68a2154a122e6a9ffc7bf89
SHA256

3e8e1eae92427c05d36bbc665721382af5972780e0a7cd44e33f63684b1cf3e2
SHA512

da525ea8b851739940fcce41fae69b4fa7942c21e2ac7fca79fd468e247c5ce0e8fc105a9288290ff79c064a5d200e7214f67ea070114da1fb335b152a5ac10b
SSDEEP

12288:mh1Fk70TnvjcXHKkdNTYkpfxQmclBuFTEAtvqsuIGnyd30w4KA9LdX+/UwS0iSbq:Ak70Trc31dNckBxQmUBuFTEAtCsuI9d8

Score

7^/10

Malware Config

Signatures

.NET Reactor proctector 25 IoCs

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

Processes:

resource	yara_rule
behavioral1/memory/2264-0-0x00000000048A0000-0x0000000004946000-memory.dmp	net_reactor
behavioral1/memory/2264-2-0x00000000049C0000-0x0000000004A00000-memory.dmp	net_reactor
behavioral1/memory/2264-4-0x00000000047F0000-0x0000000004896000-memory.dmp	net_reactor
behavioral1/memory/2264-13-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-19-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-17-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-29-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-33-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-31-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-37-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-39-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-35-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-27-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-25-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-23-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-41-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-21-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-15-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-11-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-9-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-7-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-6-0x00000000049C0000-0x0000000004A00000-memory.dmp	net_reactor
behavioral1/memory/2264-5-0x00000000047F0000-0x000000000488F000-memory.dmp	net_reactor
behavioral1/memory/2264-44-0x00000000023E0000-0x00000000043E0000-memory.dmp	net_reactor
behavioral1/memory/2264-48-0x00000000023E0000-0x00000000043E0000-memory.dmp	net_reactor

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2624 2264 WerFault.exe file.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

file.exe

description pid process

Token: SeDebugPrivilege 2264 file.exe

pid	pid_target	process	target process
2624	2264	WerFault.exe	file.exe

description	pid	process
Token: SeDebugPrivilege	2264	file.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

file.exe

description	pid	process	target process
PID 2264 wrote to memory of 2624	2264	file.exe	WerFault.exe
PID 2264 wrote to memory of 2624	2264	file.exe	WerFault.exe
PID 2264 wrote to memory of 2624	2264	file.exe	WerFault.exe
PID 2264 wrote to memory of 2624	2264	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:2264
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 600
  2⤵
  - Program crash
  PID:2624

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2264-1-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download
memory/2264-0-0x00000000048A0000-0x0000000004946000-memory.dmp

Filesize
664KB

Download
memory/2264-3-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/2264-2-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/2264-4-0x00000000047F0000-0x0000000004896000-memory.dmp

Filesize
664KB

Download
memory/2264-13-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-19-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-17-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-29-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-33-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-31-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-37-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-39-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-35-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-27-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-25-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-23-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-41-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-21-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-15-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-11-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-9-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-7-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-6-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/2264-5-0x00000000047F0000-0x000000000488F000-memory.dmp

Filesize
636KB

Download
memory/2264-44-0x00000000023E0000-0x00000000043E0000-memory.dmp

Filesize
32.0MB

Download
memory/2264-45-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download
memory/2264-46-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/2264-47-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/2264-48-0x00000000023E0000-0x00000000043E0000-memory.dmp

Filesize
32.0MB

Download

Analysis

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