njrat | 259a6df8e119f4258a9505337fbb5d43834217d3f16ed1bd340512443f1d9822

General

Target

259a6df8e119f4258a9505337fbb5d43834217d3f16ed1bd340512443f1d9822.exe
Size

23KB
MD5

08dd0dc8d53f4da8f3cf9a9f00390273
SHA1

7d2fe0324e014fb8c485f81aa659ed1353632e99
SHA256

259a6df8e119f4258a9505337fbb5d43834217d3f16ed1bd340512443f1d9822
SHA512

1587c2b5ed83af6f369388d9df13e016d1d579ac06f9522c5900b5a870a3bc2186a03bc8ccf6772c9a37e1eb084848e72779fd234908ccc89a6175fd7a3768f4
SSDEEP

384:r1MKFYuEEhERvoBG16Xuy0MJNw6Dg1Y+75JTFmRvR6JZlbw8hqIusZzZPRY:r+W4V6+yRRpcnuN

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

mastermindest.no-ip.biz:5552

Mutex

01685e17f51583dacf518102cb3991a3

Attributes

reg_key
01685e17f51583dacf518102cb3991a3
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

2320 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

5056 netsh.exe

pid	process
2320	server.exe

pid	process
5056	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:

259a6df8e119f4258a9505337fbb5d43834217d3f16ed1bd340512443f1d9822.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	259a6df8e119f4258a9505337fbb5d43834217d3f16ed1bd340512443f1d9822.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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\01685e17f51583dacf518102cb3991a3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\01685e17f51583dacf518102cb3991a3 = "\"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 13 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	2320	server.exe
Token: 33	2320	server.exe
Token: SeIncBasePriorityPrivilege	2320	server.exe
Token: 33	2320	server.exe
Token: SeIncBasePriorityPrivilege	2320	server.exe
Token: 33	2320	server.exe
Token: SeIncBasePriorityPrivilege	2320	server.exe
Token: 33	2320	server.exe
Token: SeIncBasePriorityPrivilege	2320	server.exe
Token: 33	2320	server.exe
Token: SeIncBasePriorityPrivilege	2320	server.exe
Token: 33	2320	server.exe
Token: SeIncBasePriorityPrivilege	2320	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

259a6df8e119f4258a9505337fbb5d43834217d3f16ed1bd340512443f1d9822.exeserver.exe

description	pid	process	target process
PID 2576 wrote to memory of 2320	2576	259a6df8e119f4258a9505337fbb5d43834217d3f16ed1bd340512443f1d9822.exe	server.exe
PID 2576 wrote to memory of 2320	2576	259a6df8e119f4258a9505337fbb5d43834217d3f16ed1bd340512443f1d9822.exe	server.exe
PID 2576 wrote to memory of 2320	2576	259a6df8e119f4258a9505337fbb5d43834217d3f16ed1bd340512443f1d9822.exe	server.exe
PID 2320 wrote to memory of 5056	2320	server.exe	netsh.exe
PID 2320 wrote to memory of 5056	2320	server.exe	netsh.exe
PID 2320 wrote to memory of 5056	2320	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\259a6df8e119f4258a9505337fbb5d43834217d3f16ed1bd340512443f1d9822.exe
"C:\Users\Admin\AppData\Local\Temp\259a6df8e119f4258a9505337fbb5d43834217d3f16ed1bd340512443f1d9822.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2576

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:2320

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:5056

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
23KB

MD5
08dd0dc8d53f4da8f3cf9a9f00390273

SHA1
7d2fe0324e014fb8c485f81aa659ed1353632e99

SHA256
259a6df8e119f4258a9505337fbb5d43834217d3f16ed1bd340512443f1d9822

SHA512
1587c2b5ed83af6f369388d9df13e016d1d579ac06f9522c5900b5a870a3bc2186a03bc8ccf6772c9a37e1eb084848e72779fd234908ccc89a6175fd7a3768f4

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

Filesize
23KB

MD5
08dd0dc8d53f4da8f3cf9a9f00390273

SHA1
7d2fe0324e014fb8c485f81aa659ed1353632e99

SHA256
259a6df8e119f4258a9505337fbb5d43834217d3f16ed1bd340512443f1d9822

SHA512
1587c2b5ed83af6f369388d9df13e016d1d579ac06f9522c5900b5a870a3bc2186a03bc8ccf6772c9a37e1eb084848e72779fd234908ccc89a6175fd7a3768f4

Download Submit
memory/2320-134-0x0000000000000000-mapping.dmp

Download
memory/2320-138-0x0000000074FF0000-0x00000000755A1000-memory.dmp

Filesize
5.7MB

Download
memory/2320-140-0x0000000074FF0000-0x00000000755A1000-memory.dmp

Filesize
5.7MB

Download
memory/2576-132-0x0000000074FF0000-0x00000000755A1000-memory.dmp

Filesize
5.7MB

Download
memory/2576-133-0x0000000074FF0000-0x00000000755A1000-memory.dmp

Filesize
5.7MB

Download
memory/2576-137-0x0000000074FF0000-0x00000000755A1000-memory.dmp

Filesize
5.7MB

Download
memory/5056-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads