njrat | e3f6501aaa3be057e71652fdf93468152af66cfe1b5a8a2f9160a574718d5fd3

General

Target

e3f6501aaa3be057e71652fdf93468152af66cfe1b5a8a2f9160a574718d5fd3.exe
Size

360KB
MD5

8fa430d15200fa6144308a89e197b592
SHA1

715be47225e20e324c5647a6b89fbeba462ef7e2
SHA256

e3f6501aaa3be057e71652fdf93468152af66cfe1b5a8a2f9160a574718d5fd3
SHA512

77b205f2d997c9f3fad307077d1b5d46bd7d687bf6059f0ee5ce897c9ba972dc3fc35c17e3db9a362dc6b9c48da7028134291d65cb77fcf0a42c72adf72a8490
SSDEEP

6144:G/ahq9fdsVc9yk9fPdzeGZndtGomtPdm5+S+oM/t7u022hoXA4huW5CsDniCQ4yT:h4fdFVZnd0omtFUk/A0h2uWAsjiCoFNb

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

earnwhilehome.ddns.net:5552

Mutex

3db166ddf8eda41ea0294b2b337cfbe9

Attributes

reg_key
3db166ddf8eda41ea0294b2b337cfbe9
splitter
|'|'|

Signatures

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

Processes:

svchost.exe

pid process

864 svchost.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1976 netsh.exe

pid	process
864	svchost.exe

pid	process
1976	netsh.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3db166ddf8eda41ea0294b2b337cfbe9.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3db166ddf8eda41ea0294b2b337cfbe9.exe	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\3db166ddf8eda41ea0294b2b337cfbe9 = "\"C:\\Users\\Admin\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3db166ddf8eda41ea0294b2b337cfbe9 = "\"C:\\Users\\Admin\\svchost.exe\" .."	svchost.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 11 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	864	svchost.exe
Token: 33	864	svchost.exe
Token: SeIncBasePriorityPrivilege	864	svchost.exe
Token: 33	864	svchost.exe
Token: SeIncBasePriorityPrivilege	864	svchost.exe
Token: 33	864	svchost.exe
Token: SeIncBasePriorityPrivilege	864	svchost.exe
Token: 33	864	svchost.exe
Token: SeIncBasePriorityPrivilege	864	svchost.exe
Token: 33	864	svchost.exe
Token: SeIncBasePriorityPrivilege	864	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e3f6501aaa3be057e71652fdf93468152af66cfe1b5a8a2f9160a574718d5fd3.exesvchost.exe

description	pid	process	target process
PID 1068 wrote to memory of 864	1068	e3f6501aaa3be057e71652fdf93468152af66cfe1b5a8a2f9160a574718d5fd3.exe	svchost.exe
PID 1068 wrote to memory of 864	1068	e3f6501aaa3be057e71652fdf93468152af66cfe1b5a8a2f9160a574718d5fd3.exe	svchost.exe
PID 1068 wrote to memory of 864	1068	e3f6501aaa3be057e71652fdf93468152af66cfe1b5a8a2f9160a574718d5fd3.exe	svchost.exe
PID 864 wrote to memory of 1976	864	svchost.exe	netsh.exe
PID 864 wrote to memory of 1976	864	svchost.exe	netsh.exe
PID 864 wrote to memory of 1976	864	svchost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\e3f6501aaa3be057e71652fdf93468152af66cfe1b5a8a2f9160a574718d5fd3.exe
"C:\Users\Admin\AppData\Local\Temp\e3f6501aaa3be057e71652fdf93468152af66cfe1b5a8a2f9160a574718d5fd3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1068

C:\Users\Admin\svchost.exe
"C:\Users\Admin\svchost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:864

C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\svchost.exe" "svchost.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1976

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\svchost.exe

Filesize
360KB

MD5
8fa430d15200fa6144308a89e197b592

SHA1
715be47225e20e324c5647a6b89fbeba462ef7e2

SHA256
e3f6501aaa3be057e71652fdf93468152af66cfe1b5a8a2f9160a574718d5fd3

SHA512
77b205f2d997c9f3fad307077d1b5d46bd7d687bf6059f0ee5ce897c9ba972dc3fc35c17e3db9a362dc6b9c48da7028134291d65cb77fcf0a42c72adf72a8490

Download Submit
C:\Users\Admin\svchost.exe

Filesize
360KB

MD5
8fa430d15200fa6144308a89e197b592

SHA1
715be47225e20e324c5647a6b89fbeba462ef7e2

SHA256
e3f6501aaa3be057e71652fdf93468152af66cfe1b5a8a2f9160a574718d5fd3

SHA512
77b205f2d997c9f3fad307077d1b5d46bd7d687bf6059f0ee5ce897c9ba972dc3fc35c17e3db9a362dc6b9c48da7028134291d65cb77fcf0a42c72adf72a8490

Download Submit
memory/864-57-0x0000000000000000-mapping.dmp

Download
memory/864-60-0x0000000000F70000-0x0000000000FD0000-memory.dmp

Filesize
384KB

Download
memory/1068-54-0x0000000000070000-0x00000000000D0000-memory.dmp

Filesize
384KB

Download
memory/1068-55-0x0000000000250000-0x0000000000258000-memory.dmp

Filesize
32KB

Download
memory/1068-56-0x0000000000260000-0x000000000026C000-memory.dmp

Filesize
48KB

Download
memory/1976-61-0x0000000000000000-mapping.dmp

Download
memory/1976-62-0x000007FEFC131000-0x000007FEFC133000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads