njrat | 07791fb56cf814297a1b73c274801e35fa31446e5b5aa4c802c55b6b527432c0

General

Target

07791fb56cf814297a1b73c274801e35fa31446e5b5aa4c802c55b6b527432c0.exe
Size

29KB
MD5

5fde4b1e9f6cd4c5a409ce419e8a32e2
SHA1

84fafcc2ba89f3aeafa83f6407011740b77b58f0
SHA256

07791fb56cf814297a1b73c274801e35fa31446e5b5aa4c802c55b6b527432c0
SHA512

2ff9af63e1638e03816b15314229cfc1bf354376e8ba919f673233d65eef13fafb8d004039b496ce1d9b9a70ad3410b1f292fffb9d7737900fca2ea33b8953b3
SSDEEP

384:yFpQjtl7jBnoKoK3JX15nHK4GumqDAEReIlGBsbh0w4wlAokw9OhgOL1vYRGOZzD:yi7hoKoGJFNK4Aq1RehBKh0p29SgRSQ

Score

10^/10

njrat system evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

system

C2

127.0.0.1:1177

Mutex

12ce4e06a81e8d54fd01d9b762f1b1bb

Attributes

reg_key
12ce4e06a81e8d54fd01d9b762f1b1bb
splitter
|'|'|

Signatures

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

Processes:

system.exe

pid process

1004 system.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1320 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

07791fb56cf814297a1b73c274801e35fa31446e5b5aa4c802c55b6b527432c0.exe

pid process

1388 07791fb56cf814297a1b73c274801e35fa31446e5b5aa4c802c55b6b527432c0.exe

pid	process
1320	netsh.exe

pid	process
1388	07791fb56cf814297a1b73c274801e35fa31446e5b5aa4c802c55b6b527432c0.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

system.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\12ce4e06a81e8d54fd01d9b762f1b1bb = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\12ce4e06a81e8d54fd01d9b762f1b1bb = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.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: EnumeratesProcesses 20 IoCs

Processes:

system.exe

pid	process
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe
1004	system.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

system.exe

description pid process

Token: SeDebugPrivilege 1004 system.exe

description	pid	process
Token: SeDebugPrivilege	1004	system.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

07791fb56cf814297a1b73c274801e35fa31446e5b5aa4c802c55b6b527432c0.exesystem.exe

description	pid	process	target process
PID 1388 wrote to memory of 1004	1388	07791fb56cf814297a1b73c274801e35fa31446e5b5aa4c802c55b6b527432c0.exe	system.exe
PID 1388 wrote to memory of 1004	1388	07791fb56cf814297a1b73c274801e35fa31446e5b5aa4c802c55b6b527432c0.exe	system.exe
PID 1388 wrote to memory of 1004	1388	07791fb56cf814297a1b73c274801e35fa31446e5b5aa4c802c55b6b527432c0.exe	system.exe
PID 1388 wrote to memory of 1004	1388	07791fb56cf814297a1b73c274801e35fa31446e5b5aa4c802c55b6b527432c0.exe	system.exe
PID 1004 wrote to memory of 1320	1004	system.exe	netsh.exe
PID 1004 wrote to memory of 1320	1004	system.exe	netsh.exe
PID 1004 wrote to memory of 1320	1004	system.exe	netsh.exe
PID 1004 wrote to memory of 1320	1004	system.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\07791fb56cf814297a1b73c274801e35fa31446e5b5aa4c802c55b6b527432c0.exe
"C:\Users\Admin\AppData\Local\Temp\07791fb56cf814297a1b73c274801e35fa31446e5b5aa4c802c55b6b527432c0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1388

C:\Users\Admin\AppData\Local\Temp\system.exe
"C:\Users\Admin\AppData\Local\Temp\system.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1004

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system.exe" "system.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1320

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\system.exe
Filesize
29KB

MD5
5fde4b1e9f6cd4c5a409ce419e8a32e2

SHA1
84fafcc2ba89f3aeafa83f6407011740b77b58f0

SHA256
07791fb56cf814297a1b73c274801e35fa31446e5b5aa4c802c55b6b527432c0

SHA512
2ff9af63e1638e03816b15314229cfc1bf354376e8ba919f673233d65eef13fafb8d004039b496ce1d9b9a70ad3410b1f292fffb9d7737900fca2ea33b8953b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\system.exe
Filesize
29KB

MD5
5fde4b1e9f6cd4c5a409ce419e8a32e2

SHA1
84fafcc2ba89f3aeafa83f6407011740b77b58f0

SHA256
07791fb56cf814297a1b73c274801e35fa31446e5b5aa4c802c55b6b527432c0

SHA512
2ff9af63e1638e03816b15314229cfc1bf354376e8ba919f673233d65eef13fafb8d004039b496ce1d9b9a70ad3410b1f292fffb9d7737900fca2ea33b8953b3

Download Submit
\Users\Admin\AppData\Local\Temp\system.exe
Filesize
29KB

MD5
5fde4b1e9f6cd4c5a409ce419e8a32e2

SHA1
84fafcc2ba89f3aeafa83f6407011740b77b58f0

SHA256
07791fb56cf814297a1b73c274801e35fa31446e5b5aa4c802c55b6b527432c0

SHA512
2ff9af63e1638e03816b15314229cfc1bf354376e8ba919f673233d65eef13fafb8d004039b496ce1d9b9a70ad3410b1f292fffb9d7737900fca2ea33b8953b3

Download Submit
memory/1004-56-0x0000000000000000-mapping.dmp

Download
memory/1004-61-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/1004-64-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/1320-62-0x0000000000000000-mapping.dmp

Download
memory/1388-54-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

Filesize
8KB

Download
memory/1388-60-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads