njrat | 4acea05ab0905a50470e55fcb4575e6feee6e7f5ae857bdd388818cee7a562c6

Analysis

max time kernel
117s
max time network
132s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:10

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General

Target

5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
Size

131KB
MD5

844a5fcb3644af223a45da950e14801b
SHA1

928d3c7afa140e9b9e96d4f03ea1d82b4ad37634
SHA256

5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e
SHA512

7aac0f58ff1bf21cd540ef2acecc5866a0d7056496b932e04593d4c256f498079d810b326695e36c62442545a6793b566c50474c9784bb8436905ce4da70e8c4
SSDEEP

3072:4+RlQoN36tGQviFCnMBnMfWl9zmaF9bhYvMY:4jM9zCvMY

Score

10^/10

njrat hacked discovery trojan

Malware Config

Extracted

Family

njrat

Version

Platinum

Botnet

HacKed

127.0.0.1:6522

Mutex

Star Client

Attributes

reg_key
Star Client
splitter
|Ghost|

Signatures

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

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Star Client	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe

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

System Information Discovery
T1082

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	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TASKKILL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TASKKILL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Kills process with taskkill 2 IoCs

defense_evasion

pid	Process
1848	TASKKILL.exe
1588	TASKKILL.exe

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\_auto_file\shell\Read	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2676	AcroRd32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
Token: SeDebugPrivilege	1588	TASKKILL.exe
Token: SeDebugPrivilege	1848	TASKKILL.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2676	AcroRd32.exe
2676	AcroRd32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 1848	1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe	30
PID 1992 wrote to memory of 1848	1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe	30
PID 1992 wrote to memory of 1848	1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe	30
PID 1992 wrote to memory of 1848	1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe	30
PID 1992 wrote to memory of 1588	1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe	31
PID 1992 wrote to memory of 1588	1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe	31
PID 1992 wrote to memory of 1588	1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe	31
PID 1992 wrote to memory of 1588	1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe	31
PID 1992 wrote to memory of 1632	1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe	36
PID 1992 wrote to memory of 1632	1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe	36
PID 1992 wrote to memory of 1632	1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe	36
PID 1992 wrote to memory of 1632	1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe	36
PID 1992 wrote to memory of 1632	1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe	36
PID 1992 wrote to memory of 1632	1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe	36
PID 1992 wrote to memory of 1632	1992	5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe	36
PID 1632 wrote to memory of 2676	1632	rundll32.exe	37
PID 1632 wrote to memory of 2676	1632	rundll32.exe	37
PID 1632 wrote to memory of 2676	1632	rundll32.exe	37
PID 1632 wrote to memory of 2676	1632	rundll32.exe	37

C:\Users\Admin\AppData\Local\Temp\5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe
"C:\Users\Admin\AppData\Local\Temp\5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e.exe"
1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\TASKKILL.exe
  TASKKILL /F /IM wscript.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1848
- C:\Windows\SysWOW64\TASKKILL.exe
  TASKKILL /F /IM cmd.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1588
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Windows\Star Client
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1632
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Windows\Star Client"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
c3257de3d2b9e75adb5cd26f4341ee45

SHA1
8fec048daf8736a86728742692d00b677a6d2e08

SHA256
ceb6c05744abd7d455132ca3b2406c4658b422528d572f35f319ba4bf335bd66

SHA512
2ddafca73629637f4580a6ab80c3df8ca1b52a1e7f465d382e139028179f8e6002efacde7502ab39709c56f822ee36e17ebb4e27e42886d01da3849113701631

Download Submit
C:\Windows\Star Client

Filesize
131KB

MD5
844a5fcb3644af223a45da950e14801b

SHA1
928d3c7afa140e9b9e96d4f03ea1d82b4ad37634

SHA256
5370f14c685c1c1c6c9a206afc4657f2e57ca67a68580cf6291797f143e6963e

SHA512
7aac0f58ff1bf21cd540ef2acecc5866a0d7056496b932e04593d4c256f498079d810b326695e36c62442545a6793b566c50474c9784bb8436905ce4da70e8c4

Download Submit
memory/1992-0-0x0000000074371000-0x0000000074372000-memory.dmp

Filesize
4KB

Download
memory/1992-1-0x0000000074370000-0x000000007491B000-memory.dmp

Filesize
5.7MB

Download
memory/1992-2-0x0000000074370000-0x000000007491B000-memory.dmp

Filesize
5.7MB

Download
memory/1992-5-0x0000000074370000-0x000000007491B000-memory.dmp

Filesize
5.7MB

Download
memory/1992-6-0x0000000074370000-0x000000007491B000-memory.dmp

Filesize
5.7MB

Download
memory/1992-9-0x0000000074370000-0x000000007491B000-memory.dmp

Filesize
5.7MB

Download