njrat | f1bbcc5c678d174d858ae089f4494e3ea8bcfc418098d61804a15e437f08aff7

Resubmissions

03-07-2024 22:59

240703-2yn7wszhlp 10

03-07-2024 16:13

03-07-2024 16:11

10-05-2024 16:25

24-08-2023 11:16

Analysis

max time kernel
90s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
22-07-2023 15:57

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General

Target

Downloads.rar
Size

184.3MB
MD5

9e3e4dd2eca465797c3a07c0fa2254fe
SHA1

16ceee08c07179157b0fb6de04b7605360f34b20
SHA256

f1bbcc5c678d174d858ae089f4494e3ea8bcfc418098d61804a15e437f08aff7
SHA512

f6033af5252203878aa0d1ba77f4816694a953103927362f6308c527e84c61be00816bf9ccba207991f93248ffefaaf31e27f5fd7806d3a4cb35d4104e79f746
SSDEEP

3145728:6CNdBnKJ7rjucWU6bfga3QgbgShgbgSwSonIyRNlIyN+c3Os:t+sJb/3Q4h4wLIy/r91

Score

10^/10

njrat hack evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HACK

43.229.151.64:5552

Mutex

6825da1e045502b22d4b02d4028214ab

Attributes

reg_key
6825da1e045502b22d4b02d4028214ab
splitter
Y262SUCZ4UJJ

Signatures

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

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Processes:

netsh.exe

pid	Process
4416	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Control Panel\International\Geo\Nation	svchost.exe

Drops startup file 3 IoCs

Processes:

svchost.exetaskmgr.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6825da1e045502b22d4b02d4028214ab.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6825da1e045502b22d4b02d4028214ab.exe	svchost.exe
File opened for modification	\??\c:\users\admin\appdata\roaming\microsoft\windows\start menu\programs\startup\6825da1e045502b22d4b02d4028214ab.exe	taskmgr.exe

Executes dropped EXE 2 IoCs

Processes:

svchost.exesvchost.exe

pid	Process
4848	svchost.exe
1192	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6825da1e045502b22d4b02d4028214ab = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\6825da1e045502b22d4b02d4028214ab = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

taskmgr.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.exe

Modifies registry class 5 IoCs

Processes:

cmd.exeOpenWith.exe7zG.exetaskmgr.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	7zG.exe
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	7zG.exe
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000_Classes\Local Settings	taskmgr.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exe

pid	Process
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe
4848	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

7zG.exe

pid	Process
1704	7zG.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

7zG.exesvchost.exetaskmgr.exesvchost.exe

description	pid	Process
Token: SeRestorePrivilege	1704	7zG.exe
Token: 35	1704	7zG.exe
Token: SeSecurityPrivilege	1704	7zG.exe
Token: SeSecurityPrivilege	1704	7zG.exe
Token: SeDebugPrivilege	4848	svchost.exe
Token: SeDebugPrivilege	2548	taskmgr.exe
Token: SeSystemProfilePrivilege	2548	taskmgr.exe
Token: SeCreateGlobalPrivilege	2548	taskmgr.exe
Token: SeDebugPrivilege	1192	svchost.exe

Suspicious use of FindShellTrayWindow 31 IoCs

Processes:

7zG.exetaskmgr.exe

pid	Process
1704	7zG.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe

Suspicious use of SendNotifyMessage 29 IoCs

Processes:

taskmgr.exe

pid	Process
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe
2548	taskmgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

OpenWith.exe

pid	Process
4440	OpenWith.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

svchost.exesvchost.exe

description	pid	Process	procid_target
PID 4848 wrote to memory of 1192	4848	svchost.exe	115
PID 4848 wrote to memory of 1192	4848	svchost.exe	115
PID 4848 wrote to memory of 1192	4848	svchost.exe	115
PID 1192 wrote to memory of 4416	1192	svchost.exe	116
PID 1192 wrote to memory of 4416	1192	svchost.exe	116
PID 1192 wrote to memory of 4416	1192	svchost.exe	116

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Downloads.rar
1⤵
- Modifies registry class
PID:1868

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4440

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4840

C:\Program Files\7-Zip\7zG.exe
"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\Downloads\" -ad -an -ai#7zMap28307:76:7zEvent2125
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1704

C:\Users\Admin\Desktop\Downloads\svchost.exe
"C:\Users\Admin\Desktop\Downloads\svchost.exe"
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4848
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1192
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:4416

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Drops startup file
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
31KB

MD5
49b8f905867aded45f1f5b3c9bd84209

SHA1
0a87788428778dba567623ccc9be6825eba4b7c7

SHA256
02883009e7e310bf670bff6336cb6c05c5ecfe0b40274a99b769e8fbfae19ad3

SHA512
1c9d2b7bb3948ad8f3cae541602575b9eacc2a212ab0a6e7c148a24a72e36986e4c46d646244837dc3ea7c71f3db90629f7ee68ef18565d67f93d1f801308361

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

Filesize
31KB

MD5
49b8f905867aded45f1f5b3c9bd84209

SHA1
0a87788428778dba567623ccc9be6825eba4b7c7

SHA256
02883009e7e310bf670bff6336cb6c05c5ecfe0b40274a99b769e8fbfae19ad3

SHA512
1c9d2b7bb3948ad8f3cae541602575b9eacc2a212ab0a6e7c148a24a72e36986e4c46d646244837dc3ea7c71f3db90629f7ee68ef18565d67f93d1f801308361

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

Filesize
31KB

MD5
49b8f905867aded45f1f5b3c9bd84209

SHA1
0a87788428778dba567623ccc9be6825eba4b7c7

SHA256
02883009e7e310bf670bff6336cb6c05c5ecfe0b40274a99b769e8fbfae19ad3

SHA512
1c9d2b7bb3948ad8f3cae541602575b9eacc2a212ab0a6e7c148a24a72e36986e4c46d646244837dc3ea7c71f3db90629f7ee68ef18565d67f93d1f801308361

Download Submit
C:\Users\Admin\Desktop\Downloads\svchost.exe

Filesize
31KB

MD5
49b8f905867aded45f1f5b3c9bd84209

SHA1
0a87788428778dba567623ccc9be6825eba4b7c7

SHA256
02883009e7e310bf670bff6336cb6c05c5ecfe0b40274a99b769e8fbfae19ad3

SHA512
1c9d2b7bb3948ad8f3cae541602575b9eacc2a212ab0a6e7c148a24a72e36986e4c46d646244837dc3ea7c71f3db90629f7ee68ef18565d67f93d1f801308361

Download Submit
C:\Users\Admin\Desktop\Downloads\svchost.exe

Filesize
31KB

MD5
49b8f905867aded45f1f5b3c9bd84209

SHA1
0a87788428778dba567623ccc9be6825eba4b7c7

SHA256
02883009e7e310bf670bff6336cb6c05c5ecfe0b40274a99b769e8fbfae19ad3

SHA512
1c9d2b7bb3948ad8f3cae541602575b9eacc2a212ab0a6e7c148a24a72e36986e4c46d646244837dc3ea7c71f3db90629f7ee68ef18565d67f93d1f801308361

Download Submit
C:\Users\Admin\Desktop\New folder\Downloads\Lonelyscreen.1.2.9.keygen.by.Paradox.exe

Filesize
13.4MB

MD5
48c356e14b98fb905a36164e28277ae5

SHA1
d7630bd683af02de03aebc8314862c512acd5656

SHA256
b2f43148c08f4fe2a0902873813fd7bbb9b513920089939c220826097480396c

SHA512
278ae5723544691844aae917938c7ab835f5da9c01c59472497112ca9f5d326a2586fa0bc79fbd0d907aab972b3f855c0087656c5e10504adc760b756ada221b

Download Submit
\??\c:\users\admin\appdata\roaming\microsoft\windows\start menu\programs\startup\6825da1e045502b22d4b02d4028214ab.exe

Filesize
31KB

MD5
49b8f905867aded45f1f5b3c9bd84209

SHA1
0a87788428778dba567623ccc9be6825eba4b7c7

SHA256
02883009e7e310bf670bff6336cb6c05c5ecfe0b40274a99b769e8fbfae19ad3

SHA512
1c9d2b7bb3948ad8f3cae541602575b9eacc2a212ab0a6e7c148a24a72e36986e4c46d646244837dc3ea7c71f3db90629f7ee68ef18565d67f93d1f801308361

Download Submit
memory/1192-427-0x0000000075070000-0x0000000075621000-memory.dmp

Filesize
5.7MB

Download
memory/1192-422-0x0000000075070000-0x0000000075621000-memory.dmp

Filesize
5.7MB

Download
memory/1192-424-0x0000000075070000-0x0000000075621000-memory.dmp

Filesize
5.7MB

Download
memory/2548-410-0x000001B55CEB0000-0x000001B55CEB1000-memory.dmp

Filesize
4KB

Download
memory/2548-401-0x000001B55CEB0000-0x000001B55CEB1000-memory.dmp

Filesize
4KB

Download
memory/2548-407-0x000001B55CEB0000-0x000001B55CEB1000-memory.dmp

Filesize
4KB

Download
memory/2548-411-0x000001B55CEB0000-0x000001B55CEB1000-memory.dmp

Filesize
4KB

Download
memory/2548-408-0x000001B55CEB0000-0x000001B55CEB1000-memory.dmp

Filesize
4KB

Download
memory/2548-406-0x000001B55CEB0000-0x000001B55CEB1000-memory.dmp

Filesize
4KB

Download
memory/2548-405-0x000001B55CEB0000-0x000001B55CEB1000-memory.dmp

Filesize
4KB

Download
memory/2548-409-0x000001B55CEB0000-0x000001B55CEB1000-memory.dmp

Filesize
4KB

Download
memory/2548-399-0x000001B55CEB0000-0x000001B55CEB1000-memory.dmp

Filesize
4KB

Download
memory/2548-400-0x000001B55CEB0000-0x000001B55CEB1000-memory.dmp

Filesize
4KB

Download
memory/4848-423-0x0000000075070000-0x0000000075621000-memory.dmp

Filesize
5.7MB

Download
memory/4848-421-0x0000000075070000-0x0000000075621000-memory.dmp

Filesize
5.7MB

Download
memory/4848-396-0x0000000075070000-0x0000000075621000-memory.dmp

Filesize
5.7MB

Download
memory/4848-395-0x0000000075070000-0x0000000075621000-memory.dmp

Filesize
5.7MB

Download