njrat | a2e94e993ecb8a3859a66f31e03eea471f089925d460b7d20493faa04bcae1cc

General

Target

576-56-0x0000000004AC0000-0x0000000004ACC000-memory.exe
Size

48KB
MD5

99783c5bd31b3d6b5209a10678c0c2b5
SHA1

81050a9fed3607bd78fd1edc221277ec1f40ffe8
SHA256

a2e94e993ecb8a3859a66f31e03eea471f089925d460b7d20493faa04bcae1cc
SHA512

e389f6322542e610f59514a2d040384e17c0a091d8aeb4ff597ba96e4d30bbbf710c54dd32f8683dc3c8f5a71c2a4007c9f6fcd6dac15719b1ab47680e1f0a2b

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

easralahtane.ddns.net:3973

Mutex

4c1e56ee7374309d8fa12b913734d668

Attributes

reg_key
4c1e56ee7374309d8fa12b913734d668
splitter
|'|'|

Signatures

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

Processes:

Microsoft .exe

pid process

2844 Microsoft .exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4404 netsh.exe

pid	process
2844	Microsoft .exe

pid	process
4404	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:

576-56-0x0000000004AC0000-0x0000000004ACC000-memory.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation	576-56-0x0000000004AC0000-0x0000000004ACC000-memory.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Microsoft .exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4c1e56ee7374309d8fa12b913734d668 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft .exe\" .."	Microsoft .exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\4c1e56ee7374309d8fa12b913734d668 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft .exe\" .."	Microsoft .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:

Microsoft .exe

description	pid	process
Token: SeDebugPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe
Token: 33	2844	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2844	Microsoft .exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

576-56-0x0000000004AC0000-0x0000000004ACC000-memory.exeMicrosoft .exe

description	pid	process	target process
PID 4196 wrote to memory of 2844	4196	576-56-0x0000000004AC0000-0x0000000004ACC000-memory.exe	Microsoft .exe
PID 4196 wrote to memory of 2844	4196	576-56-0x0000000004AC0000-0x0000000004ACC000-memory.exe	Microsoft .exe
PID 4196 wrote to memory of 2844	4196	576-56-0x0000000004AC0000-0x0000000004ACC000-memory.exe	Microsoft .exe
PID 2844 wrote to memory of 4404	2844	Microsoft .exe	netsh.exe
PID 2844 wrote to memory of 4404	2844	Microsoft .exe	netsh.exe
PID 2844 wrote to memory of 4404	2844	Microsoft .exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\576-56-0x0000000004AC0000-0x0000000004ACC000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\576-56-0x0000000004AC0000-0x0000000004ACC000-memory.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4196

C:\Users\Admin\AppData\Local\Temp\Microsoft .exe
"C:\Users\Admin\AppData\Local\Temp\Microsoft .exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2844

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Microsoft .exe" "Microsoft .exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4404

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\Microsoft .exe
Filesize
48KB

MD5
99783c5bd31b3d6b5209a10678c0c2b5

SHA1
81050a9fed3607bd78fd1edc221277ec1f40ffe8

SHA256
a2e94e993ecb8a3859a66f31e03eea471f089925d460b7d20493faa04bcae1cc

SHA512
e389f6322542e610f59514a2d040384e17c0a091d8aeb4ff597ba96e4d30bbbf710c54dd32f8683dc3c8f5a71c2a4007c9f6fcd6dac15719b1ab47680e1f0a2b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Microsoft .exe
Filesize
48KB

MD5
99783c5bd31b3d6b5209a10678c0c2b5

SHA1
81050a9fed3607bd78fd1edc221277ec1f40ffe8

SHA256
a2e94e993ecb8a3859a66f31e03eea471f089925d460b7d20493faa04bcae1cc

SHA512
e389f6322542e610f59514a2d040384e17c0a091d8aeb4ff597ba96e4d30bbbf710c54dd32f8683dc3c8f5a71c2a4007c9f6fcd6dac15719b1ab47680e1f0a2b

Download Submit
memory/2844-131-0x0000000000000000-mapping.dmp

Download
memory/2844-135-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/2844-137-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/4196-130-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/4196-134-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/4404-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads