njrat | 1f399125ae166a61b9715467bad99e63466e9d68860f29442479d4dd179577d6

General

Target

641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe
Size

43KB
MD5

641bf525a313f41f133cd1db2d07da2b
SHA1

2da56f55034be144ba85cc9c83af4f09aa591c9e
SHA256

1f399125ae166a61b9715467bad99e63466e9d68860f29442479d4dd179577d6
SHA512

4921b7ebc833558546b382d8c904628b25176f4580cbc38f4eb4271722f63486dfea56da5b5645b3c18f8893ef552c87309802ae6ccb17dda181ccad329fb5cb
SSDEEP

384:+ZybZIBK0lwZmoy7xir6ikuEhxiDUaXzoIij+ZsNO3PlpJKkkjh/TzF7pWnB/grq:Es0tGol786b4DDuXQ/oc/+L

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Drops startup file 2 IoCs

Processes:

pashat.exe

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

Executes dropped EXE 3 IoCs

Processes:

pashat.exeServer.exeServer.exe

pid process

2968 pashat.exe
1988 Server.exe
1504 Server.exe
Loads dropped DLL 1 IoCs

Processes:

641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe

pid process

2032 641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe

pid	process
2968	pashat.exe
1988	Server.exe
1504	Server.exe

pid	process
2032	641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

pashat.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\pashat.exe\" .."	pashat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\pashat.exe\" .."	pashat.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2596 schtasks.exe
Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exepashat.exe

pid process

2032 641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe
2968 pashat.exe

pid	process
2596	schtasks.exe

pid	process
2032	641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe
2968	pashat.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

pashat.exe

description	pid	process
Token: SeDebugPrivilege	2968	pashat.exe
Token: 33	2968	pashat.exe
Token: SeIncBasePriorityPrivilege	2968	pashat.exe
Token: 33	2968	pashat.exe
Token: SeIncBasePriorityPrivilege	2968	pashat.exe
Token: 33	2968	pashat.exe
Token: SeIncBasePriorityPrivilege	2968	pashat.exe
Token: 33	2968	pashat.exe
Token: SeIncBasePriorityPrivilege	2968	pashat.exe
Token: 33	2968	pashat.exe
Token: SeIncBasePriorityPrivilege	2968	pashat.exe
Token: 33	2968	pashat.exe
Token: SeIncBasePriorityPrivilege	2968	pashat.exe
Token: 33	2968	pashat.exe
Token: SeIncBasePriorityPrivilege	2968	pashat.exe
Token: 33	2968	pashat.exe
Token: SeIncBasePriorityPrivilege	2968	pashat.exe
Token: 33	2968	pashat.exe
Token: SeIncBasePriorityPrivilege	2968	pashat.exe
Token: 33	2968	pashat.exe
Token: SeIncBasePriorityPrivilege	2968	pashat.exe
Token: 33	2968	pashat.exe
Token: SeIncBasePriorityPrivilege	2968	pashat.exe
Token: 33	2968	pashat.exe
Token: SeIncBasePriorityPrivilege	2968	pashat.exe
Token: 33	2968	pashat.exe
Token: SeIncBasePriorityPrivilege	2968	pashat.exe
Token: 33	2968	pashat.exe
Token: SeIncBasePriorityPrivilege	2968	pashat.exe
Token: 33	2968	pashat.exe
Token: SeIncBasePriorityPrivilege	2968	pashat.exe
Token: 33	2968	pashat.exe
Token: SeIncBasePriorityPrivilege	2968	pashat.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exepashat.exetaskeng.exe

description	pid	process	target process
PID 2032 wrote to memory of 2968	2032	641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe	pashat.exe
PID 2032 wrote to memory of 2968	2032	641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe	pashat.exe
PID 2032 wrote to memory of 2968	2032	641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe	pashat.exe
PID 2032 wrote to memory of 2968	2032	641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe	pashat.exe
PID 2968 wrote to memory of 2596	2968	pashat.exe	schtasks.exe
PID 2968 wrote to memory of 2596	2968	pashat.exe	schtasks.exe
PID 2968 wrote to memory of 2596	2968	pashat.exe	schtasks.exe
PID 2968 wrote to memory of 2596	2968	pashat.exe	schtasks.exe
PID 2776 wrote to memory of 1988	2776	taskeng.exe	Server.exe
PID 2776 wrote to memory of 1988	2776	taskeng.exe	Server.exe
PID 2776 wrote to memory of 1988	2776	taskeng.exe	Server.exe
PID 2776 wrote to memory of 1988	2776	taskeng.exe	Server.exe
PID 2776 wrote to memory of 1504	2776	taskeng.exe	Server.exe
PID 2776 wrote to memory of 1504	2776	taskeng.exe	Server.exe
PID 2776 wrote to memory of 1504	2776	taskeng.exe	Server.exe
PID 2776 wrote to memory of 1504	2776	taskeng.exe	Server.exe

C:\Users\Admin\AppData\Local\Temp\641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2032

C:\Users\Admin\AppData\Local\Temp\pashat.exe
"C:\Users\Admin\AppData\Local\Temp\pashat.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2968

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
3⤵
- Creates scheduled task(s)
PID:2596

C:\Windows\system32\taskeng.exe
taskeng.exe {39768732-CE35-4B43-8A05-4ED38C577A9A} S-1-5-21-268080393-3149932598-1824759070-1000:UHRQKJCP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2776

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
2⤵
- Executes dropped EXE
PID:1988

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
2⤵
- Executes dropped EXE
PID:1504

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Users\Admin\AppData\Local\Temp\pashat.exe
Filesize
43KB

MD5
641bf525a313f41f133cd1db2d07da2b

SHA1
2da56f55034be144ba85cc9c83af4f09aa591c9e

SHA256
1f399125ae166a61b9715467bad99e63466e9d68860f29442479d4dd179577d6

SHA512
4921b7ebc833558546b382d8c904628b25176f4580cbc38f4eb4271722f63486dfea56da5b5645b3c18f8893ef552c87309802ae6ccb17dda181ccad329fb5cb

Download Submit
memory/1504-22-0x0000000001270000-0x0000000001282000-memory.dmp

Filesize
72KB

Download
memory/1988-20-0x00000000003D0000-0x00000000003E2000-memory.dmp

Filesize
72KB

Download
memory/2032-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

Filesize
4KB

Download
memory/2032-1-0x0000000000F90000-0x0000000000FA2000-memory.dmp

Filesize
72KB

Download
memory/2032-2-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2032-13-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2968-10-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2968-11-0x0000000000150000-0x0000000000162000-memory.dmp

Filesize
72KB

Download
memory/2968-12-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2968-16-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2968-17-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads