njrat | 9f42320dfbf5defbe21455ef824e711a5e603703631d9f1669abe8b6d54fcdf1

Analysis

max time kernel
151s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 23:39

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General

Target

9f42320dfbf5defbe21455ef824e711a5e603703631d9f1669abe8b6d54fcdf1.exe
Size

23KB
MD5

42d1b2dfdf83b0f1e5e257072a51108b
SHA1

981a6ec09bc61778025a4a654c0f161b1255ff40
SHA256

9f42320dfbf5defbe21455ef824e711a5e603703631d9f1669abe8b6d54fcdf1
SHA512

908446fddfebfa655b443562048027500f26c2a9c046b5b13c4a3689885808d1d3b54fce30a35db86bc87996af8cba2ad8599b2c2b51bb87e825ece2df1e30e7
SSDEEP

384:G+n2650N3qZbATcjRGC5Eo9D46BgnqUhay1ZmRvR6JZlbw8hqIusZzZcozEu:5m+71d5XRpcnu2D

Score

10^/10

njrat hacker evasion trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

hacker

mrcod.publicvm.com:1177

Mutex

0b0829e06d028299289e683c2462e806

Attributes

reg_key
0b0829e06d028299289e683c2462e806
splitter
|'|'|

Signatures

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

Processes:

Trojan.exe

pid process

2192 Trojan.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4728 netsh.exe

pid	process
2192	Trojan.exe

pid	process
4728	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:

9f42320dfbf5defbe21455ef824e711a5e603703631d9f1669abe8b6d54fcdf1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	9f42320dfbf5defbe21455ef824e711a5e603703631d9f1669abe8b6d54fcdf1.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 23 IoCs

Processes:

Trojan.exe

description	pid	process
Token: SeDebugPrivilege	2192	Trojan.exe
Token: 33	2192	Trojan.exe
Token: SeIncBasePriorityPrivilege	2192	Trojan.exe
Token: 33	2192	Trojan.exe
Token: SeIncBasePriorityPrivilege	2192	Trojan.exe
Token: 33	2192	Trojan.exe
Token: SeIncBasePriorityPrivilege	2192	Trojan.exe
Token: 33	2192	Trojan.exe
Token: SeIncBasePriorityPrivilege	2192	Trojan.exe
Token: 33	2192	Trojan.exe
Token: SeIncBasePriorityPrivilege	2192	Trojan.exe
Token: 33	2192	Trojan.exe
Token: SeIncBasePriorityPrivilege	2192	Trojan.exe
Token: 33	2192	Trojan.exe
Token: SeIncBasePriorityPrivilege	2192	Trojan.exe
Token: 33	2192	Trojan.exe
Token: SeIncBasePriorityPrivilege	2192	Trojan.exe
Token: 33	2192	Trojan.exe
Token: SeIncBasePriorityPrivilege	2192	Trojan.exe
Token: 33	2192	Trojan.exe
Token: SeIncBasePriorityPrivilege	2192	Trojan.exe
Token: 33	2192	Trojan.exe
Token: SeIncBasePriorityPrivilege	2192	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9f42320dfbf5defbe21455ef824e711a5e603703631d9f1669abe8b6d54fcdf1.exeTrojan.exe

description	pid	process	target process
PID 1464 wrote to memory of 2192	1464	9f42320dfbf5defbe21455ef824e711a5e603703631d9f1669abe8b6d54fcdf1.exe	Trojan.exe
PID 1464 wrote to memory of 2192	1464	9f42320dfbf5defbe21455ef824e711a5e603703631d9f1669abe8b6d54fcdf1.exe	Trojan.exe
PID 1464 wrote to memory of 2192	1464	9f42320dfbf5defbe21455ef824e711a5e603703631d9f1669abe8b6d54fcdf1.exe	Trojan.exe
PID 2192 wrote to memory of 4728	2192	Trojan.exe	netsh.exe
PID 2192 wrote to memory of 4728	2192	Trojan.exe	netsh.exe
PID 2192 wrote to memory of 4728	2192	Trojan.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\9f42320dfbf5defbe21455ef824e711a5e603703631d9f1669abe8b6d54fcdf1.exe
"C:\Users\Admin\AppData\Local\Temp\9f42320dfbf5defbe21455ef824e711a5e603703631d9f1669abe8b6d54fcdf1.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1464

C:\Users\Admin\AppData\Local\Temp\Trojan.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2192

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4728

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Trojan.exe
Filesize
23KB

MD5
42d1b2dfdf83b0f1e5e257072a51108b

SHA1
981a6ec09bc61778025a4a654c0f161b1255ff40

SHA256
9f42320dfbf5defbe21455ef824e711a5e603703631d9f1669abe8b6d54fcdf1

SHA512
908446fddfebfa655b443562048027500f26c2a9c046b5b13c4a3689885808d1d3b54fce30a35db86bc87996af8cba2ad8599b2c2b51bb87e825ece2df1e30e7

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

MD5
42d1b2dfdf83b0f1e5e257072a51108b

SHA1
981a6ec09bc61778025a4a654c0f161b1255ff40

SHA256
9f42320dfbf5defbe21455ef824e711a5e603703631d9f1669abe8b6d54fcdf1

SHA512
908446fddfebfa655b443562048027500f26c2a9c046b5b13c4a3689885808d1d3b54fce30a35db86bc87996af8cba2ad8599b2c2b51bb87e825ece2df1e30e7

Download Submit
memory/1464-132-0x00000000748F0000-0x0000000074EA1000-memory.dmp

Filesize
5.7MB

Download
memory/1464-133-0x00000000748F0000-0x0000000074EA1000-memory.dmp

Filesize
5.7MB

Download
memory/1464-137-0x00000000748F0000-0x0000000074EA1000-memory.dmp

Filesize
5.7MB

Download
memory/2192-134-0x0000000000000000-mapping.dmp

Download
memory/2192-138-0x00000000748F0000-0x0000000074EA1000-memory.dmp

Filesize
5.7MB

Download
memory/2192-140-0x00000000748F0000-0x0000000074EA1000-memory.dmp

Filesize
5.7MB

Download
memory/4728-139-0x0000000000000000-mapping.dmp

Download