52356abff533c337129af9b251bfb053f49e3e00ad2da2440e2111ad66ceabd7

Analysis

max time kernel
590s
max time network
321s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06/03/2025, 02:16

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General

Target

DCRat/data/dotNET_Reactor.exe
Size

13.3MB
MD5

bd73df4cf427511993075f7a16e037a5
SHA1

63f116641b0655f53e93d62ae559d510ed5af134
SHA256

fa0a32d408a8df70ec44f3d2374b058f57b86ff49b8068b8c68f8505d3463970
SHA512

49ad63e65e1f6a454778c904727c948969145eb09457105093af463d933413a7d30437051c7ddb8ded0b46d38b2018a1a78c83af582ab6775bef870057a9dfc3
SSDEEP

393216:xfuP82nPJiP63TKZqkoPrSz4rkZD1K1fU:xqPIPgTxkqrV6YN

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
behavioral27/memory/2216-2-0x00000000011B0000-0x000000000245A000-memory.dmp	net_reactor

Suspicious use of NtSetInformationThreadHideFromDebugger 60 IoCs

pid	Process
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe
2216	dotNET_Reactor.exe

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	dotNET_Reactor.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2216	dotNET_Reactor.exe

C:\Users\Admin\AppData\Local\Temp\DCRat\data\dotNET_Reactor.exe
"C:\Users\Admin\AppData\Local\Temp\DCRat\data\dotNET_Reactor.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2216

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/2216-0-0x00000000011B0000-0x000000000245A000-memory.dmp

Filesize
18.7MB

Download
memory/2216-1-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2216-2-0x00000000011B0000-0x000000000245A000-memory.dmp

Filesize
18.7MB

Download
memory/2216-3-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-5-0x0000000000F30000-0x0000000000F3A000-memory.dmp

Filesize
40KB

Download
memory/2216-4-0x0000000000F30000-0x0000000000F3A000-memory.dmp

Filesize
40KB

Download
memory/2216-6-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-9-0x00000000011B0000-0x000000000245A000-memory.dmp

Filesize
18.7MB

Download
memory/2216-10-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-13-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-14-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-15-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2216-16-0x0000000000F30000-0x0000000000F3A000-memory.dmp

Filesize
40KB

Download