njrat | fcec89df07c34596a89b0a11a1c113d470843690b81416fd77fd01ef201402f6

Resubmissions

14-12-2024 07:58

241214-jtvj1axpfm 10

12-12-2024 19:47

241212-yhx83svqgx 10

Analysis

max time kernel
150s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-12-2024 19:47

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General

Target

Payload.exe
Size

55KB
MD5

33e1d80a59c7d0c32334ebe05bfbaec0
SHA1

afab8c4fc1216bd5f5e46fd6f029f71de1eaf491
SHA256

fcec89df07c34596a89b0a11a1c113d470843690b81416fd77fd01ef201402f6
SHA512

e0ade8d57d9227de619810bc95aef7f23ec22f496c69aff5b515d809ebb7107e3ed8234202f04028ac4f03f245bc7ad7eafd62622a8c0e9f9ea5b1dcf1b4a69e
SSDEEP

1536:TRksDnHNwZ8Cam8LDdwsNMD2XExI3pm/m:6sDn6SKiDdwsNMD2XExI3pm

Score

10^/10

njrat discovery persistence trojan

Malware Config

Signatures

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

Drops startup file 38 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus34.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba504e39d49d09ba3f0b71067d651692.exe	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus5.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus6.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus7.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus31.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus9.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus26.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus29.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus30.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\celex.exe	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus3.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus8.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus18.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus19.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus11.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus24.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus25.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus33.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus2.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus10.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus20.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus32.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus13.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus15.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus28.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus35.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus1.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus12.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus16.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus23.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus22.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus27.bat	Payload.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba504e39d49d09ba3f0b71067d651692.exe	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus4.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus14.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus17.bat	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\virus21.bat	Payload.exe

Executes dropped EXE 4 IoCs

pid	Process
2092	b0bed7e1c28d426faa600897a8a921ac.exe
2488	ca485065e8704d5a90da8efa3c401605.exe
2652	c0d8c707209c47b2921e0dac39d6eeba.exe
1696	dcf23be551bf43f0b977e9fb11cc0bbc.exe

Loads dropped DLL 4 IoCs

pid	Process
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\ba504e39d49d09ba3f0b71067d651692 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe\" .."	Payload.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ba504e39d49d09ba3f0b71067d651692 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe\" .."	Payload.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	Payload.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1448	Payload.exe

Suspicious use of AdjustPrivilegeToken 42 IoCs

description	pid	Process
Token: SeDebugPrivilege	1448	Payload.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: SeDebugPrivilege	2092	b0bed7e1c28d426faa600897a8a921ac.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: 33	272	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	272	AUDIODG.EXE
Token: 33	272	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	272	AUDIODG.EXE
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe
Token: 33	1448	Payload.exe
Token: SeIncBasePriorityPrivilege	1448	Payload.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1448	Payload.exe
1448	Payload.exe
1448	Payload.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 2092	1448	Payload.exe	31
PID 1448 wrote to memory of 2092	1448	Payload.exe	31
PID 1448 wrote to memory of 2092	1448	Payload.exe	31
PID 1448 wrote to memory of 2092	1448	Payload.exe	31
PID 1448 wrote to memory of 2488	1448	Payload.exe	32
PID 1448 wrote to memory of 2488	1448	Payload.exe	32
PID 1448 wrote to memory of 2488	1448	Payload.exe	32
PID 1448 wrote to memory of 2488	1448	Payload.exe	32
PID 1448 wrote to memory of 2652	1448	Payload.exe	34
PID 1448 wrote to memory of 2652	1448	Payload.exe	34
PID 1448 wrote to memory of 2652	1448	Payload.exe	34
PID 1448 wrote to memory of 2652	1448	Payload.exe	34
PID 1448 wrote to memory of 1696	1448	Payload.exe	35
PID 1448 wrote to memory of 1696	1448	Payload.exe	35
PID 1448 wrote to memory of 1696	1448	Payload.exe	35
PID 1448 wrote to memory of 1696	1448	Payload.exe	35
PID 1448 wrote to memory of 2388	1448	Payload.exe	36
PID 1448 wrote to memory of 2388	1448	Payload.exe	36
PID 1448 wrote to memory of 2388	1448	Payload.exe	36
PID 1448 wrote to memory of 2388	1448	Payload.exe	36
PID 2388 wrote to memory of 1856	2388	cmd.exe	38
PID 2388 wrote to memory of 1856	2388	cmd.exe	38
PID 2388 wrote to memory of 1856	2388	cmd.exe	38
PID 2388 wrote to memory of 1856	2388	cmd.exe	38
PID 2388 wrote to memory of 1856	2388	cmd.exe	38
PID 2388 wrote to memory of 1856	2388	cmd.exe	38
PID 2388 wrote to memory of 1856	2388	cmd.exe	38
PID 1448 wrote to memory of 1600	1448	Payload.exe	40
PID 1448 wrote to memory of 1600	1448	Payload.exe	40
PID 1448 wrote to memory of 1600	1448	Payload.exe	40
PID 1448 wrote to memory of 1600	1448	Payload.exe	40
PID 1600 wrote to memory of 3008	1600	cmd.exe	42
PID 1600 wrote to memory of 3008	1600	cmd.exe	42
PID 1600 wrote to memory of 3008	1600	cmd.exe	42
PID 1600 wrote to memory of 3008	1600	cmd.exe	42
PID 1600 wrote to memory of 3008	1600	cmd.exe	42
PID 1600 wrote to memory of 3008	1600	cmd.exe	42
PID 1600 wrote to memory of 3008	1600	cmd.exe	42

C:\Users\Admin\AppData\Local\Temp\Payload.exe
"C:\Users\Admin\AppData\Local\Temp\Payload.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Users\Admin\AppData\Local\Temp\b0bed7e1c28d426faa600897a8a921ac.exe
  "C:\Users\Admin\AppData\Local\Temp\b0bed7e1c28d426faa600897a8a921ac.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2092
- C:\Users\Admin\AppData\Local\Temp\ca485065e8704d5a90da8efa3c401605.exe
  "C:\Users\Admin\AppData\Local\Temp\ca485065e8704d5a90da8efa3c401605.exe"
  2⤵
  - Executes dropped EXE
  PID:2488
- C:\Users\Admin\AppData\Local\Temp\c0d8c707209c47b2921e0dac39d6eeba.exe
  "C:\Users\Admin\AppData\Local\Temp\c0d8c707209c47b2921e0dac39d6eeba.exe"
  2⤵
  - Executes dropped EXE
  PID:2652
- C:\Users\Admin\AppData\Local\Temp\dcf23be551bf43f0b977e9fb11cc0bbc.exe
  "C:\Users\Admin\AppData\Local\Temp\dcf23be551bf43f0b977e9fb11cc0bbc.exe"
  2⤵
  - Executes dropped EXE
  PID:1696
- C:\Windows\SysWOW64\cmd.exe
  cmd /c rundll32.exe user32.dll,LockWorkStation
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2388
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe user32.dll,LockWorkStation
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1856
- C:\Windows\SysWOW64\cmd.exe
  cmd /c rundll32.exe user32.dll,LockWorkStation
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe user32.dll,LockWorkStation
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3008

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4ec
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:272

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:2276

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\Local\Temp\b0bed7e1c28d426faa600897a8a921ac.exe

Filesize
16KB

MD5
683bcb1f86f4410931abe39a63eb7057

SHA1
d338aac5ff479fc94d3c840e862665de1dac8c8f

SHA256
c9f03a39789f7322ae43604db6ce7da86765ad4b13207091683cf47bdea8de12

SHA512
60b596947d93fdb196fcf338af92d26cdd82396283316352ead078ce1a85943bb85264901318f7061e6b0e49058ace521831a9275c025526373d9168c757cdd2

Download Submit
C:\Users\Admin\AppData\Local\Temp\c0d8c707209c47b2921e0dac39d6eeba.exe

Filesize
345KB

MD5
8efb7339fe13cf8cea9f6445776655c0

SHA1
081afd73c757c83825cf1e8ed4a4eab259d23b97

SHA256
c1badbacd2abe44fe4e8685c8eee7e983bf8b6780cfca03ae31f8fcebc98b1fb

SHA512
2a37e74aeff17b4f435d02a30019a017a4ff4fa29fc898229f6195876f53b38154c063cf052deebcc06785650f875d67eeb0de372a76df3c4e71bd4fc0392956

Download Submit
\Users\Admin\AppData\Local\Temp\ca485065e8704d5a90da8efa3c401605.exe

Filesize
844KB

MD5
8cac1595b184f66d7a122af38d5dfe71

SHA1
e0bc0162472edf77a05134e77b540663ac050ab6

SHA256
00201a2fd4916193c9c7bbba7be6a77fa5876085480b67da4e1228fd8b23ae5f

SHA512
88d3753ce73bbf95ee1fdbdff21eb9331e59ca92cfa5c489f141c07dc90871e3032e331c9dd77b1fec4522add3ac25c51d5c699d7801a5343dd2ae447c60f8f8

Download Submit
memory/1448-1-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/1448-2-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/1448-4-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/1448-5-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/1448-6-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/1448-7-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/1448-0-0x0000000074451000-0x0000000074452000-memory.dmp

Filesize
4KB

Download
memory/2092-37-0x000007FEF59AE000-0x000007FEF59AF000-memory.dmp

Filesize
4KB

Download
memory/2092-40-0x000007FEF56F0000-0x000007FEF608D000-memory.dmp

Filesize
9.6MB

Download
memory/2092-41-0x000007FEF59AE000-0x000007FEF59AF000-memory.dmp

Filesize
4KB

Download
memory/2092-42-0x000007FEF56F0000-0x000007FEF608D000-memory.dmp

Filesize
9.6MB

Download
memory/2092-43-0x000007FEF56F0000-0x000007FEF608D000-memory.dmp

Filesize
9.6MB

Download
memory/2092-39-0x000007FEF56F0000-0x000007FEF608D000-memory.dmp

Filesize
9.6MB

Download
memory/2092-38-0x000007FEF56F0000-0x000007FEF608D000-memory.dmp

Filesize
9.6MB

Download