njrat | 9c59f5c307a254394410941d0053fd57d97478e5900c04fc161d818a7b564d7d

General

Target

0448a1129ee3c9198ea9e4e2d24da6e4.exe
Size

93KB
MD5

0448a1129ee3c9198ea9e4e2d24da6e4
SHA1

e77779889bf71efd4f7f9c0e87b07a970b50179f
SHA256

9c59f5c307a254394410941d0053fd57d97478e5900c04fc161d818a7b564d7d
SHA512

7108aaa62b8a3c65d8a290017441c5f8c47ab34a9a1edbe83f6600f757ee1a5e37bd5cfeae1e3a1a99079ec126891efbf62ccdf797a8ae04c64405984c55faec
SSDEEP

768:hY3AUfhWXxyFcxovUKUJuROprXtWN8eYhYbmXxrjEtCdnl2pi1Rz4Rk3EKZsGdpx:TU5WhIUKcuOJhPhBjEwzGi1dDDDhgS

Score

10^/10

njrat hacked evasion trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

NC50Y3AuZXUubmdyb2suaW8Strik:MTQ1NDU=

Mutex

1f895475f5ddc401fae8d2be35829e62

Attributes

reg_key
1f895475f5ddc401fae8d2be35829e62
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

1484 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4964 netsh.exe

pid	process
1484	server.exe

pid	process
4964	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:

0448a1129ee3c9198ea9e4e2d24da6e4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	0448a1129ee3c9198ea9e4e2d24da6e4.exe

Drops startup file 2 IoCs

Processes:

server.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.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 behavior: GetForegroundWindowSpam 1 IoCs

Processes:

server.exe

pid process

1484 server.exe

pid	process
1484	server.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe
Token: 33	1484	server.exe
Token: SeIncBasePriorityPrivilege	1484	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

0448a1129ee3c9198ea9e4e2d24da6e4.exeserver.exe

description	pid	process	target process
PID 1952 wrote to memory of 1484	1952	0448a1129ee3c9198ea9e4e2d24da6e4.exe	server.exe
PID 1952 wrote to memory of 1484	1952	0448a1129ee3c9198ea9e4e2d24da6e4.exe	server.exe
PID 1952 wrote to memory of 1484	1952	0448a1129ee3c9198ea9e4e2d24da6e4.exe	server.exe
PID 1484 wrote to memory of 4964	1484	server.exe	netsh.exe
PID 1484 wrote to memory of 4964	1484	server.exe	netsh.exe
PID 1484 wrote to memory of 4964	1484	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\0448a1129ee3c9198ea9e4e2d24da6e4.exe
"C:\Users\Admin\AppData\Local\Temp\0448a1129ee3c9198ea9e4e2d24da6e4.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1952

C:\Users\Admin\AppData\Roaming\server.exe
"C:\Users\Admin\AppData\Roaming\server.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1484

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4964

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

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\Roaming\app
Filesize
4B

MD5
c6bdbc9d86009ccf7e8de878c9603213

SHA1
2a4b8716f978f2d107bcd8294b486a5ee45afe6e

SHA256
36a067fdfcee95eb270f0b72e3b9e40d52c907d749fb9a8490d82f8ee56b29eb

SHA512
c42a52cd8837e2533b3d5ec97639f0c94287e3d7a6c73635c21df50eba8483b60df15bf262a308836875cd9afed504e7f98a2f6b254e4181fe548b1853d42256

Download Submit
C:\Users\Admin\AppData\Roaming\server.exe
Filesize
93KB

MD5
0448a1129ee3c9198ea9e4e2d24da6e4

SHA1
e77779889bf71efd4f7f9c0e87b07a970b50179f

SHA256
9c59f5c307a254394410941d0053fd57d97478e5900c04fc161d818a7b564d7d

SHA512
7108aaa62b8a3c65d8a290017441c5f8c47ab34a9a1edbe83f6600f757ee1a5e37bd5cfeae1e3a1a99079ec126891efbf62ccdf797a8ae04c64405984c55faec

Download Submit
C:\Users\Admin\AppData\Roaming\server.exe
Filesize
93KB

MD5
0448a1129ee3c9198ea9e4e2d24da6e4

SHA1
e77779889bf71efd4f7f9c0e87b07a970b50179f

SHA256
9c59f5c307a254394410941d0053fd57d97478e5900c04fc161d818a7b564d7d

SHA512
7108aaa62b8a3c65d8a290017441c5f8c47ab34a9a1edbe83f6600f757ee1a5e37bd5cfeae1e3a1a99079ec126891efbf62ccdf797a8ae04c64405984c55faec

Download Submit
memory/1484-133-0x0000000000000000-mapping.dmp

Download
memory/1484-137-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download
memory/1484-140-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download
memory/1952-132-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download
memory/1952-136-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download
memory/4964-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads