njrat | da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29

General

Target

da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe
Size

23KB
MD5

6ccc425c631acf8fb40e8b3ff5a7f000
SHA1

7499bd4ea8becca5bc3f0b9fabc96d7270d46431
SHA256

da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29
SHA512

6cd2136f2d3515025fc04b6a683038ac5fd240807f2cde73fbc811b3ac47757db6a2981759cacdc6b9f9471e18622fd5752c7bef73fc5ae13d154e08b682b49b
SSDEEP

384:Cc6ze6e1PAhJVzC3tC1im/Bscx46wgZ0rap9H9mRvR6JZlbw8hqIusZzZLO:ie9EJLN/aRpcnuh

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

dddddddd111.zapto.org:8701

Mutex

1ce270c78d3c425224ce69fe9529371c

Attributes

reg_key
1ce270c78d3c425224ce69fe9529371c
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

1228 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4936 netsh.exe

pid	process
1228	server.exe

pid	process
4936	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:

da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\1ce270c78d3c425224ce69fe9529371c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1ce270c78d3c425224ce69fe9529371c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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 33 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1228	server.exe
Token: 33	1228	server.exe
Token: SeIncBasePriorityPrivilege	1228	server.exe
Token: 33	1228	server.exe
Token: SeIncBasePriorityPrivilege	1228	server.exe
Token: 33	1228	server.exe
Token: SeIncBasePriorityPrivilege	1228	server.exe
Token: 33	1228	server.exe
Token: SeIncBasePriorityPrivilege	1228	server.exe
Token: 33	1228	server.exe
Token: SeIncBasePriorityPrivilege	1228	server.exe
Token: 33	1228	server.exe
Token: SeIncBasePriorityPrivilege	1228	server.exe
Token: 33	1228	server.exe
Token: SeIncBasePriorityPrivilege	1228	server.exe
Token: 33	1228	server.exe
Token: SeIncBasePriorityPrivilege	1228	server.exe
Token: 33	1228	server.exe
Token: SeIncBasePriorityPrivilege	1228	server.exe
Token: 33	1228	server.exe
Token: SeIncBasePriorityPrivilege	1228	server.exe
Token: 33	1228	server.exe
Token: SeIncBasePriorityPrivilege	1228	server.exe
Token: 33	1228	server.exe
Token: SeIncBasePriorityPrivilege	1228	server.exe
Token: 33	1228	server.exe
Token: SeIncBasePriorityPrivilege	1228	server.exe
Token: 33	1228	server.exe
Token: SeIncBasePriorityPrivilege	1228	server.exe
Token: 33	1228	server.exe
Token: SeIncBasePriorityPrivilege	1228	server.exe
Token: 33	1228	server.exe
Token: SeIncBasePriorityPrivilege	1228	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exeserver.exe

description	pid	process	target process
PID 4804 wrote to memory of 1228	4804	da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe	server.exe
PID 4804 wrote to memory of 1228	4804	da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe	server.exe
PID 4804 wrote to memory of 1228	4804	da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe	server.exe
PID 1228 wrote to memory of 4936	1228	server.exe	netsh.exe
PID 1228 wrote to memory of 4936	1228	server.exe	netsh.exe
PID 1228 wrote to memory of 4936	1228	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe
"C:\Users\Admin\AppData\Local\Temp\da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4804

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1228

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4936

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\server.exe
Filesize
23KB

MD5
6ccc425c631acf8fb40e8b3ff5a7f000

SHA1
7499bd4ea8becca5bc3f0b9fabc96d7270d46431

SHA256
da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29

SHA512
6cd2136f2d3515025fc04b6a683038ac5fd240807f2cde73fbc811b3ac47757db6a2981759cacdc6b9f9471e18622fd5752c7bef73fc5ae13d154e08b682b49b

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
23KB

MD5
6ccc425c631acf8fb40e8b3ff5a7f000

SHA1
7499bd4ea8becca5bc3f0b9fabc96d7270d46431

SHA256
da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29

SHA512
6cd2136f2d3515025fc04b6a683038ac5fd240807f2cde73fbc811b3ac47757db6a2981759cacdc6b9f9471e18622fd5752c7bef73fc5ae13d154e08b682b49b

Download Submit
memory/1228-133-0x0000000000000000-mapping.dmp

Download
memory/1228-137-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/1228-139-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/4804-132-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/4804-136-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/4936-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads