njrat | e23d2c38f9950e240224323130432eb402990c609078ad23820450a3eff0c553

General

Target

e23d2c38f9950e240224323130432eb402990c609078ad23820450a3eff0c553.exe
Size

23KB
MD5

74780f3763b7d5b363fef25920dbadb9
SHA1

8c6de60d4b88c9b5157acdd94e50d9495f45ceaf
SHA256

e23d2c38f9950e240224323130432eb402990c609078ad23820450a3eff0c553
SHA512

132363ced9472520f7a8a6bd7a362ba310a353ea60d108e8a26e8a780e0e47f57ba3f312bf403d9e5d96eaa92170fe254b96c8f7af99f6d8aded6e69780c42e2
SSDEEP

384:vcqbCK0l4h7o9SVyDGvENuh46/gJkOmMSW38mRvR6JZlbw8hqIusZzZBu:030py6vhxaRpcnuD

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

fuzzyhf.duckdns.org:83

Mutex

f5745fbc2df9d21e00fadcaa45b4b04a

Attributes

reg_key
f5745fbc2df9d21e00fadcaa45b4b04a
splitter
|'|'|

Signatures

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

Processes:

msconfig.exe

pid process

432 msconfig.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1476 netsh.exe

pid	process
432	msconfig.exe

pid	process
1476	netsh.exe

Drops startup file 2 IoCs

Processes:

msconfig.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f5745fbc2df9d21e00fadcaa45b4b04a.exe	msconfig.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f5745fbc2df9d21e00fadcaa45b4b04a.exe	msconfig.exe

Loads dropped DLL 1 IoCs

Processes:

e23d2c38f9950e240224323130432eb402990c609078ad23820450a3eff0c553.exe

pid process

1188 e23d2c38f9950e240224323130432eb402990c609078ad23820450a3eff0c553.exe

pid	process
1188	e23d2c38f9950e240224323130432eb402990c609078ad23820450a3eff0c553.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msconfig.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\f5745fbc2df9d21e00fadcaa45b4b04a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\msconfig.exe\" .."	msconfig.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\f5745fbc2df9d21e00fadcaa45b4b04a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\msconfig.exe\" .."	msconfig.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 21 IoCs

Processes:

msconfig.exe

description	pid	process
Token: SeDebugPrivilege	432	msconfig.exe
Token: 33	432	msconfig.exe
Token: SeIncBasePriorityPrivilege	432	msconfig.exe
Token: 33	432	msconfig.exe
Token: SeIncBasePriorityPrivilege	432	msconfig.exe
Token: 33	432	msconfig.exe
Token: SeIncBasePriorityPrivilege	432	msconfig.exe
Token: 33	432	msconfig.exe
Token: SeIncBasePriorityPrivilege	432	msconfig.exe
Token: 33	432	msconfig.exe
Token: SeIncBasePriorityPrivilege	432	msconfig.exe
Token: 33	432	msconfig.exe
Token: SeIncBasePriorityPrivilege	432	msconfig.exe
Token: 33	432	msconfig.exe
Token: SeIncBasePriorityPrivilege	432	msconfig.exe
Token: 33	432	msconfig.exe
Token: SeIncBasePriorityPrivilege	432	msconfig.exe
Token: 33	432	msconfig.exe
Token: SeIncBasePriorityPrivilege	432	msconfig.exe
Token: 33	432	msconfig.exe
Token: SeIncBasePriorityPrivilege	432	msconfig.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

e23d2c38f9950e240224323130432eb402990c609078ad23820450a3eff0c553.exemsconfig.exe

description	pid	process	target process
PID 1188 wrote to memory of 432	1188	e23d2c38f9950e240224323130432eb402990c609078ad23820450a3eff0c553.exe	msconfig.exe
PID 1188 wrote to memory of 432	1188	e23d2c38f9950e240224323130432eb402990c609078ad23820450a3eff0c553.exe	msconfig.exe
PID 1188 wrote to memory of 432	1188	e23d2c38f9950e240224323130432eb402990c609078ad23820450a3eff0c553.exe	msconfig.exe
PID 1188 wrote to memory of 432	1188	e23d2c38f9950e240224323130432eb402990c609078ad23820450a3eff0c553.exe	msconfig.exe
PID 432 wrote to memory of 1476	432	msconfig.exe	netsh.exe
PID 432 wrote to memory of 1476	432	msconfig.exe	netsh.exe
PID 432 wrote to memory of 1476	432	msconfig.exe	netsh.exe
PID 432 wrote to memory of 1476	432	msconfig.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\e23d2c38f9950e240224323130432eb402990c609078ad23820450a3eff0c553.exe
"C:\Users\Admin\AppData\Local\Temp\e23d2c38f9950e240224323130432eb402990c609078ad23820450a3eff0c553.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1188

C:\Users\Admin\AppData\Local\Temp\msconfig.exe
"C:\Users\Admin\AppData\Local\Temp\msconfig.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:432

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\msconfig.exe" "msconfig.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1476

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

Replay Monitor

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Downloads

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

MD5
74780f3763b7d5b363fef25920dbadb9

SHA1
8c6de60d4b88c9b5157acdd94e50d9495f45ceaf

SHA256
e23d2c38f9950e240224323130432eb402990c609078ad23820450a3eff0c553

SHA512
132363ced9472520f7a8a6bd7a362ba310a353ea60d108e8a26e8a780e0e47f57ba3f312bf403d9e5d96eaa92170fe254b96c8f7af99f6d8aded6e69780c42e2

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

MD5
74780f3763b7d5b363fef25920dbadb9

SHA1
8c6de60d4b88c9b5157acdd94e50d9495f45ceaf

SHA256
e23d2c38f9950e240224323130432eb402990c609078ad23820450a3eff0c553

SHA512
132363ced9472520f7a8a6bd7a362ba310a353ea60d108e8a26e8a780e0e47f57ba3f312bf403d9e5d96eaa92170fe254b96c8f7af99f6d8aded6e69780c42e2

Download Submit
\Users\Admin\AppData\Local\Temp\msconfig.exe
Filesize
23KB

MD5
74780f3763b7d5b363fef25920dbadb9

SHA1
8c6de60d4b88c9b5157acdd94e50d9495f45ceaf

SHA256
e23d2c38f9950e240224323130432eb402990c609078ad23820450a3eff0c553

SHA512
132363ced9472520f7a8a6bd7a362ba310a353ea60d108e8a26e8a780e0e47f57ba3f312bf403d9e5d96eaa92170fe254b96c8f7af99f6d8aded6e69780c42e2

Download Submit
memory/432-57-0x0000000000000000-mapping.dmp

Download
memory/432-62-0x0000000073EB0000-0x000000007445B000-memory.dmp

Filesize
5.7MB

Download
memory/432-65-0x0000000073EB0000-0x000000007445B000-memory.dmp

Filesize
5.7MB

Download
memory/1188-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/1188-55-0x0000000073EB0000-0x000000007445B000-memory.dmp

Filesize
5.7MB

Download
memory/1188-61-0x0000000073EB0000-0x000000007445B000-memory.dmp

Filesize
5.7MB

Download
memory/1476-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads