njrat | 683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 13:07

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General

Target

683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Size

43KB
MD5

0688d33b45b1191af2dd7d59826cc154
SHA1

0491bce21d65f791ccc9c2bece5da1eaef39b07a
SHA256

683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f
SHA512

c6426f6ec916c7a3e8f7cc57a748246c5a5676fc8bd6df5f422d6799790c915a0337cd8958769de279ca6ee8a68981d4ae5af96bf0105d797e42cd6928ac91d5
SSDEEP

384:PZyt4DgolYxOoyi08Hyf2ASEN8MFQPzgIij+ZsNO3PlpJKkkjh/TzF7pWn4/grez:xsouIli04kDP8qwuXQ/oF/+LU

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

95.79.32.220:28015

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe

Executes dropped EXE 3 IoCs

pid	Process
4272	Server.exe
1128	Server.exe
3432	Server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe\" .."	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe\" .."	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4648	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 4648	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe	84
PID 4672 wrote to memory of 4648	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe	84
PID 4672 wrote to memory of 4648	4672	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe	84

C:\Users\Admin\AppData\Local\Temp\683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
"C:\Users\Admin\AppData\Local\Temp\683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4672
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4648

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4272

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1128

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Server.exe.log

Filesize
507B

MD5
25d1b50e7c0d451f3d850eb54d27ca05

SHA1
a238807715c70a335f54e80d4855644b21a9e870

SHA256
650faa13e983c9046c9030f63a5fa1c33900432ec7cb3762e015da2e7c5b34a5

SHA512
4223a26b2fabefdf1c01443ccc7bd887464d27f02694379895a040c66db472d541218d501f1c01e1bd31012d079a31baf24e20882c32cf652a09a74e3bf385f5

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe

Filesize
43KB

MD5
0688d33b45b1191af2dd7d59826cc154

SHA1
0491bce21d65f791ccc9c2bece5da1eaef39b07a

SHA256
683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f

SHA512
c6426f6ec916c7a3e8f7cc57a748246c5a5676fc8bd6df5f422d6799790c915a0337cd8958769de279ca6ee8a68981d4ae5af96bf0105d797e42cd6928ac91d5

Download Submit
memory/1128-21-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1128-20-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1128-18-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/3432-24-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/3432-23-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/4272-13-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/4272-11-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/4272-15-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/4672-4-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/4672-12-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/4672-16-0x0000000005810000-0x000000000581A000-memory.dmp

Filesize
40KB

Download
memory/4672-10-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

Filesize
4KB

Download
memory/4672-5-0x00000000059E0000-0x0000000005A72000-memory.dmp

Filesize
584KB

Download
memory/4672-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

Filesize
4KB

Download
memory/4672-3-0x0000000005EF0000-0x0000000006494000-memory.dmp

Filesize
5.6MB

Download
memory/4672-2-0x0000000005580000-0x000000000561C000-memory.dmp

Filesize
624KB

Download
memory/4672-1-0x0000000000B90000-0x0000000000BA2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads