njrat | f09c8a7cfd0dbbafc4191ecf15e57329fd1959b6b4da2bcac0ab59f08b8db009

General

Target

Everythingnew.exe
Size

43KB
MD5

e6c670a90c4eb92933de49b9b28d19bc
SHA1

e561d4517df4a7bdf2fafdf4f5dafabedc3c74e0
SHA256

f09c8a7cfd0dbbafc4191ecf15e57329fd1959b6b4da2bcac0ab59f08b8db009
SHA512

552ad265eb09afa523f3ec3fa22300b47630064db6788c97e16051352d55c45cb6a7ca21f01e31246aad391f571adab7e89e567264a9c0a9cf87c8208a60f398
SSDEEP

384:oZy3Oxrt+3qpyeEDLAL3EkPVIVUusVzQIij+ZsNO3PlpJKkkjh/TzF7pWnM7greT:eTwage0LGfNXuXQ/ot7+L

Score

10^/10

njrat stealer discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

stealer

C2

environmental-seeds.gl.at.ply.gg:35534

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

Executes dropped EXE 1 IoCs

pid	Process
2760	winsystem.exe

Loads dropped DLL 1 IoCs

pid	Process
3040	Everythingnew.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\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\winsystem.exe\" .."	winsystem.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\winsystem.exe\" .."	winsystem.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 2 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	Everythingnew.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winsystem.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
3040	Everythingnew.exe
2760	winsystem.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe
Token: 33	2760	winsystem.exe
Token: SeIncBasePriorityPrivilege	2760	winsystem.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2760	3040	Everythingnew.exe	30
PID 3040 wrote to memory of 2760	3040	Everythingnew.exe	30
PID 3040 wrote to memory of 2760	3040	Everythingnew.exe	30
PID 3040 wrote to memory of 2760	3040	Everythingnew.exe	30

C:\Users\Admin\AppData\Local\Temp\Everythingnew.exe
"C:\Users\Admin\AppData\Local\Temp\Everythingnew.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Roaming\winsystem.exe
  "C:\Users\Admin\AppData\Roaming\winsystem.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\winsystem.exe

Filesize
43KB

MD5
e6c670a90c4eb92933de49b9b28d19bc

SHA1
e561d4517df4a7bdf2fafdf4f5dafabedc3c74e0

SHA256
f09c8a7cfd0dbbafc4191ecf15e57329fd1959b6b4da2bcac0ab59f08b8db009

SHA512
552ad265eb09afa523f3ec3fa22300b47630064db6788c97e16051352d55c45cb6a7ca21f01e31246aad391f571adab7e89e567264a9c0a9cf87c8208a60f398

Download Submit
memory/2760-10-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/2760-12-0x00000000001F0000-0x0000000000202000-memory.dmp

Filesize
72KB

Download
memory/2760-13-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/2760-15-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/2760-17-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/2760-16-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/2760-18-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/3040-2-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/3040-1-0x00000000003A0000-0x00000000003B2000-memory.dmp

Filesize
72KB

Download
memory/3040-0-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/3040-11-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads