njrat | 9029b3cdc4918747103baada7afb81d52d2c5fe1ce3c63e15a519c0cd011947a

General

Target

9029b3cdc4918747103baada7afb81d52d2c5fe1ce3c63e15a519c0cd011947a.exe
Size

83KB
MD5

61daf3b921cc002b1363019a214a9f40
SHA1

1060308f6ad7df8f0f6c3770323185fec0bc2bbc
SHA256

9029b3cdc4918747103baada7afb81d52d2c5fe1ce3c63e15a519c0cd011947a
SHA512

4cd6e63aa383b8f4ba05cdc756169c06736c4381705096f512dfe34d2d86c745e0d6d789a3fb1950978e67c6915fc7ecf551d71206160a4f9cf62fb2d6c9b97d
SSDEEP

1536:zLxrqW3uc5sl5h8cfOjELHcRRUvwgu0VUqBRg/T:fxrqW34hdcRRkwgVAr

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

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

Processes:

server.exe

pid process

4392 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4344 netsh.exe

pid	process
4392	server.exe

pid	process
4344	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:

9029b3cdc4918747103baada7afb81d52d2c5fe1ce3c63e15a519c0cd011947a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	9029b3cdc4918747103baada7afb81d52d2c5fe1ce3c63e15a519c0cd011947a.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\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6c41a042f5e13cf3b153e2636d60f243 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\6c41a042f5e13cf3b153e2636d60f243 = "\"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 21 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	4392	server.exe
Token: 33	4392	server.exe
Token: SeIncBasePriorityPrivilege	4392	server.exe
Token: 33	4392	server.exe
Token: SeIncBasePriorityPrivilege	4392	server.exe
Token: 33	4392	server.exe
Token: SeIncBasePriorityPrivilege	4392	server.exe
Token: 33	4392	server.exe
Token: SeIncBasePriorityPrivilege	4392	server.exe
Token: 33	4392	server.exe
Token: SeIncBasePriorityPrivilege	4392	server.exe
Token: 33	4392	server.exe
Token: SeIncBasePriorityPrivilege	4392	server.exe
Token: 33	4392	server.exe
Token: SeIncBasePriorityPrivilege	4392	server.exe
Token: 33	4392	server.exe
Token: SeIncBasePriorityPrivilege	4392	server.exe
Token: 33	4392	server.exe
Token: SeIncBasePriorityPrivilege	4392	server.exe
Token: 33	4392	server.exe
Token: SeIncBasePriorityPrivilege	4392	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9029b3cdc4918747103baada7afb81d52d2c5fe1ce3c63e15a519c0cd011947a.exeserver.exe

description	pid	process	target process
PID 1992 wrote to memory of 4392	1992	9029b3cdc4918747103baada7afb81d52d2c5fe1ce3c63e15a519c0cd011947a.exe	server.exe
PID 1992 wrote to memory of 4392	1992	9029b3cdc4918747103baada7afb81d52d2c5fe1ce3c63e15a519c0cd011947a.exe	server.exe
PID 1992 wrote to memory of 4392	1992	9029b3cdc4918747103baada7afb81d52d2c5fe1ce3c63e15a519c0cd011947a.exe	server.exe
PID 4392 wrote to memory of 4344	4392	server.exe	netsh.exe
PID 4392 wrote to memory of 4344	4392	server.exe	netsh.exe
PID 4392 wrote to memory of 4344	4392	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\9029b3cdc4918747103baada7afb81d52d2c5fe1ce3c63e15a519c0cd011947a.exe
"C:\Users\Admin\AppData\Local\Temp\9029b3cdc4918747103baada7afb81d52d2c5fe1ce3c63e15a519c0cd011947a.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1992

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:4392

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:4344

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
83KB

MD5
61daf3b921cc002b1363019a214a9f40

SHA1
1060308f6ad7df8f0f6c3770323185fec0bc2bbc

SHA256
9029b3cdc4918747103baada7afb81d52d2c5fe1ce3c63e15a519c0cd011947a

SHA512
4cd6e63aa383b8f4ba05cdc756169c06736c4381705096f512dfe34d2d86c745e0d6d789a3fb1950978e67c6915fc7ecf551d71206160a4f9cf62fb2d6c9b97d

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
83KB

MD5
61daf3b921cc002b1363019a214a9f40

SHA1
1060308f6ad7df8f0f6c3770323185fec0bc2bbc

SHA256
9029b3cdc4918747103baada7afb81d52d2c5fe1ce3c63e15a519c0cd011947a

SHA512
4cd6e63aa383b8f4ba05cdc756169c06736c4381705096f512dfe34d2d86c745e0d6d789a3fb1950978e67c6915fc7ecf551d71206160a4f9cf62fb2d6c9b97d

Download Submit
memory/1992-132-0x0000000000AF0000-0x0000000000B0C000-memory.dmp

Filesize
112KB

Download
memory/1992-133-0x0000000005320000-0x00000000053BC000-memory.dmp

Filesize
624KB

Download
memory/1992-134-0x0000000005AB0000-0x0000000006054000-memory.dmp

Filesize
5.6MB

Download
memory/4344-138-0x0000000000000000-mapping.dmp

Download
memory/4392-135-0x0000000000000000-mapping.dmp

Download
memory/4392-139-0x00000000050D0000-0x0000000005162000-memory.dmp

Filesize
584KB

Download
memory/4392-140-0x0000000005070000-0x000000000507A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads