njrat | 952f0f0f9b522fd3b8f764d5a84cf23c7cfcf412eb5bce8ba48fae3e19887047

General

Target

009f8928b2e3dbdaec6c166e820445d0.exe
Size

37KB
MD5

009f8928b2e3dbdaec6c166e820445d0
SHA1

ed3b5e68ab721ab7c7d6417c335fd85d3d2a1315
SHA256

952f0f0f9b522fd3b8f764d5a84cf23c7cfcf412eb5bce8ba48fae3e19887047
SHA512

3bdbb4f199e22c4b18d3533da23bfa2d1e8b3c25d7a2014e1e7cc73b860abee85083a4c047fdc48d2e1fa8cc5bdab24277bd5a3288c72629d700befcf8256506

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

eidnafa522.ddns.net:5552

Mutex

4a7bbceff6cedc909e9ef3cb6a805541

Attributes

reg_key
4a7bbceff6cedc909e9ef3cb6a805541
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

svhost.exe

pid process

4704 svhost.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4464 netsh.exe

pid	process
4704	svhost.exe

pid	process
4464	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

009f8928b2e3dbdaec6c166e820445d0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation	009f8928b2e3dbdaec6c166e820445d0.exe

Drops startup file 2 IoCs

Processes:

svhost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4a7bbceff6cedc909e9ef3cb6a805541.exe	svhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4a7bbceff6cedc909e9ef3cb6a805541.exe	svhost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svhost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4a7bbceff6cedc909e9ef3cb6a805541 = "\"C:\\Users\\Admin\\svhost.exe\" .."	svhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\4a7bbceff6cedc909e9ef3cb6a805541 = "\"C:\\Users\\Admin\\svhost.exe\" .."	svhost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

svhost.exe

description	pid	process
Token: SeDebugPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe
Token: 33	4704	svhost.exe
Token: SeIncBasePriorityPrivilege	4704	svhost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

009f8928b2e3dbdaec6c166e820445d0.exesvhost.exe

description	pid	process	target process
PID 4364 wrote to memory of 4704	4364	009f8928b2e3dbdaec6c166e820445d0.exe	svhost.exe
PID 4364 wrote to memory of 4704	4364	009f8928b2e3dbdaec6c166e820445d0.exe	svhost.exe
PID 4364 wrote to memory of 4704	4364	009f8928b2e3dbdaec6c166e820445d0.exe	svhost.exe
PID 4704 wrote to memory of 4464	4704	svhost.exe	netsh.exe
PID 4704 wrote to memory of 4464	4704	svhost.exe	netsh.exe
PID 4704 wrote to memory of 4464	4704	svhost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\009f8928b2e3dbdaec6c166e820445d0.exe
"C:\Users\Admin\AppData\Local\Temp\009f8928b2e3dbdaec6c166e820445d0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4364

C:\Users\Admin\svhost.exe
"C:\Users\Admin\svhost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4704

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\svhost.exe" "svhost.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4464

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\svhost.exe
Filesize
37KB

MD5
009f8928b2e3dbdaec6c166e820445d0

SHA1
ed3b5e68ab721ab7c7d6417c335fd85d3d2a1315

SHA256
952f0f0f9b522fd3b8f764d5a84cf23c7cfcf412eb5bce8ba48fae3e19887047

SHA512
3bdbb4f199e22c4b18d3533da23bfa2d1e8b3c25d7a2014e1e7cc73b860abee85083a4c047fdc48d2e1fa8cc5bdab24277bd5a3288c72629d700befcf8256506

Download Submit
C:\Users\Admin\svhost.exe
Filesize
37KB

MD5
009f8928b2e3dbdaec6c166e820445d0

SHA1
ed3b5e68ab721ab7c7d6417c335fd85d3d2a1315

SHA256
952f0f0f9b522fd3b8f764d5a84cf23c7cfcf412eb5bce8ba48fae3e19887047

SHA512
3bdbb4f199e22c4b18d3533da23bfa2d1e8b3c25d7a2014e1e7cc73b860abee85083a4c047fdc48d2e1fa8cc5bdab24277bd5a3288c72629d700befcf8256506

Download Submit
memory/4364-130-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/4364-134-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/4464-136-0x0000000000000000-mapping.dmp

Download
memory/4704-131-0x0000000000000000-mapping.dmp

Download
memory/4704-135-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/4704-137-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads