c4d283b7d04cf337976e722b20f2ddbc79455b553762b020f6c25c80148c47e4

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 22:47

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General

Target

c4d283b7d04cf337976e722b20f2ddbc79455b553762b020f6c25c80148c47e4N.exe
Size

890KB
MD5

2f2090a362fd58b926cf9cdee2bdc7d0
SHA1

2a7bd0be7f83769bc37b140c56311336609e134e
SHA256

c4d283b7d04cf337976e722b20f2ddbc79455b553762b020f6c25c80148c47e4
SHA512

e51ef795f80283a5dfdcec167200da5c0340602683ab4ae608808637c3d8b3f38ad79662d9aaf082f2045821df4856763c87026815bbbedbbe30ca13e2a4c8cb
SSDEEP

12288:3q75qZrGCKb5FthvqGnTqVqVq204VYVC2kn8qCOdbpL9HDP7JLKyP4Ep56xApQix:jGRnWMM2JYTTih9HDDYcpCm

Score

7^/10

discovery

Malware Config

Signatures

.NET Reactor proctector 1 IoCs

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

resource	yara_rule
behavioral1/memory/2108-1-0x0000000000090000-0x0000000000174000-memory.dmp	net_reactor

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2096	2108	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c4d283b7d04cf337976e722b20f2ddbc79455b553762b020f6c25c80148c47e4N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2096	2108	c4d283b7d04cf337976e722b20f2ddbc79455b553762b020f6c25c80148c47e4N.exe	30
PID 2108 wrote to memory of 2096	2108	c4d283b7d04cf337976e722b20f2ddbc79455b553762b020f6c25c80148c47e4N.exe	30
PID 2108 wrote to memory of 2096	2108	c4d283b7d04cf337976e722b20f2ddbc79455b553762b020f6c25c80148c47e4N.exe	30
PID 2108 wrote to memory of 2096	2108	c4d283b7d04cf337976e722b20f2ddbc79455b553762b020f6c25c80148c47e4N.exe	30

C:\Users\Admin\AppData\Local\Temp\c4d283b7d04cf337976e722b20f2ddbc79455b553762b020f6c25c80148c47e4N.exe
"C:\Users\Admin\AppData\Local\Temp\c4d283b7d04cf337976e722b20f2ddbc79455b553762b020f6c25c80148c47e4N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2108 -s 552
  2⤵
  - Program crash
  PID:2096

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2108-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

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memory/2108-1-0x0000000000090000-0x0000000000174000-memory.dmp

Filesize
912KB

Download