njrat | 1bdd4111884c46fd0d6fdba1d924d9ff4b13121cc2d0a26ca3581a41643a128d

Analysis

user interaction
yes
max time kernel
149s
max time network
148s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260130-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260130-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
29/04/2026, 10:18

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General

Target
Server.exe
Size 32KB
Sample260429-mcbmcaat6v
SHA256 1bdd4111884c46fd0d6fdba1d924d9ff4b13121cc2d0a26ca3581a41643a128d
MD5 6fe3c07dbdf241178c95ebd5dad042c1
SHA1 703da5606321531de66edf2378c2d9b4c78de1ca
SHA512 96a42dd6a3da7722410c93a3da217b81ea68901dcb38951666bdb58930858f5dded1875731109c5404ef3e2917f28c2c624a616bebbfccf7133a3d811f63563d
SSDEEP 384:yU005Q4kW8+I4YZsi+t22CA4GZstFPI8eT+C4lDUodg9TdFpyFEIGsJjwE7UMcr2:t3Lzt2AzchaouDbEEIGfRXW+f
TLSH
T160E2084CB6E38154D07D84B785A6E3211774E1675723E26FCEE968E22F671CC8A8CDE0
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery njrat persistence privilege_escalation trojan

Malware Config

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2100	netsh.exe

Checks computer location settings 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3579476765-2645189491-1706875375-1000\Control Panel\International\Geo\Nation	Server.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3579476765-2645189491-1706875375-1000\Control Panel\International\Geo\Nation	System32.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3579476765-2645189491-1706875375-1000\Control Panel\International\Geo\Nation	tmp347F.tmp.COM

Executes dropped EXE 5 IoCs

pid	Process
2548	System32.exe
3032	tmp347F.tmp.COM
5152	MBR2.exe
3852	TROLL5.exe
376	TROLL2.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.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	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	System32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TROLL5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TROLL2.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe
Token: 33	2548	System32.exe
Token: SeIncBasePriorityPrivilege	2548	System32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2548	1728	Server.exe	87
PID 2548 wrote to memory of 2100	2548	System32.exe	90
PID 2548 wrote to memory of 3032	2548	System32.exe	94
PID 3032 wrote to memory of 5152	3032	tmp347F.tmp.COM	95
PID 3032 wrote to memory of 3852	3032	tmp347F.tmp.COM	96
PID 3032 wrote to memory of 376	3032	tmp347F.tmp.COM	97

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\System32.exe
  "C:\Users\Admin\AppData\Local\Temp\System32.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System32.exe" "System32.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2100
- - C:\Users\Admin\AppData\Local\Temp\tmp347F.tmp.COM
    "C:\Users\Admin\AppData\Local\Temp\tmp347F.tmp.COM"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:3032
  - - C:\Users\Admin\AppData\Local\Temp\MBR2.exe
      "C:\Users\Admin\AppData\Local\Temp\MBR2.exe"
      4⤵
      Executes dropped EXE
      PID:5152
  - - C:\Users\Admin\AppData\Local\Temp\TROLL5.exe
      "C:\Users\Admin\AppData\Local\Temp\TROLL5.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3852
  - - C:\Users\Admin\AppData\Local\Temp\TROLL2.exe
      "C:\Users\Admin\AppData\Local\Temp\TROLL2.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:376

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x448 0x300
1⤵
PID:1568

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

MBR2.exe

Path C:\Users\Admin\AppData\Local\Temp\MBR2.exe
Size 205KB
SHA256 c22e2419f04fe03a92255a139ca8814697962e86d191a1d4171788fd0c903f68
MD5 3dc0e225f886bae3b655cd9d738ed32f
SHA1 abda127fd477bd9d051cd57b16ac13f44030a9ae
SHA512 c8a6c0bfa96defde6f83d847583ff2ec065a43f80f9886259a2d1fe7df306ef6ed7aeed61b7dcf0bdc111fc67419eb66cf1ca44e831711dd4ea7d25ed9aed09b
SSDEEP 3072:VQKrqi3qqKcjzksuicc/9Ic9hwBjQV8xWegUqijR4uTkEJxIiLt2p/YkMhapu4n4:Vruc/iuwBMV8x5gUqMR4aMiLcpj84
TLSH
T1D92423001754132EFB59C0F6019712B381EBD3AE9E1B9489F3F9921BDB6B10ED91747A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

System32.exe

Path C:\Users\Admin\AppData\Local\Temp\System32.exe
Size 32KB
SHA256 1bdd4111884c46fd0d6fdba1d924d9ff4b13121cc2d0a26ca3581a41643a128d
MD5 6fe3c07dbdf241178c95ebd5dad042c1
SHA1 703da5606321531de66edf2378c2d9b4c78de1ca
SHA512 96a42dd6a3da7722410c93a3da217b81ea68901dcb38951666bdb58930858f5dded1875731109c5404ef3e2917f28c2c624a616bebbfccf7133a3d811f63563d
SSDEEP 384:yU005Q4kW8+I4YZsi+t22CA4GZstFPI8eT+C4lDUodg9TdFpyFEIGsJjwE7UMcr2:t3Lzt2AzchaouDbEEIGfRXW+f
TLSH
T160E2084CB6E38154D07D84B785A6E3211774E1675723E26FCEE968E22F671CC8A8CDE0
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

TROLL2.exe

Path C:\Users\Admin\AppData\Local\Temp\TROLL2.exe
Size 105KB
SHA256 dcdf5140bc51db27f3aec80ae9a66a57aad446a2522904d288770e8d8cde8cee
MD5 52a2a5517deb1a06896891a35299ce20
SHA1 badcbdfef312bd71de997a7416ee20cee5d66af6
SHA512 7cb0de412c0508f5af522aeaf3731dda418f72f7cae8dd3f21b34d5cdbc08f9dea8699d59878610496c68d687227a0269739221490d70d03b8e4b84dfd29d5f1
SSDEEP 1536:A85iT6EcrYTyyAmOvu3yUyJCbT4UK7BIR:IGEcxyAF64A
TLSH
T1D6B3F6D7BE8AADA3F925133989F98319033DF7C01B828B171D31993A17176A17FC5246
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

TROLL5.exe

Path C:\Users\Admin\AppData\Local\Temp\TROLL5.exe
Size 712KB
SHA256 79f00c7dab0891824136539fabd542c74e26cbed94b9add3f1aa7f793d653de6
MD5 542a4e400ff233b21a1a3c27751ac783
SHA1 000a67f00b0003531d65a6ed6f16488ae5dcd0fe
SHA512 8335118ca0c268635d9495b331fb65800a32a0631f132cd34ce84ca3b523d0a9e23eee6d76539d0c81d86fda534da56c936914012d8bad35040b15cc8caaf645
SSDEEP 12288:cF04yK+m1Vd5IfbJQWYzBVXqKWOF+LmguP/WMYZCubHKG91MiYwd:Z4yedWfEHnWbLunWMYUaHzLY2
TLSH
T1BDF423738484A51CD6EFCE33A0F1FC3463BAFE2761198C112294EDD46AA715097CBB65
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmp347F.tmp.COM

Path C:\Users\Admin\AppData\Local\Temp\tmp347F.tmp.COM
Size 921KB
SHA256 c1aeab35f61f12db28274d82713bff400b808625854a18e49504022f92805e31
MD5 d0ae6aea701de9f127f91e7efdb50252
SHA1 cb9ef64cbcb999372fb4046e99fe89a03df9bc81
SHA512 505d11808e9923ff0ec1a51acd51509711f8c5c42da81b47a97249954b06f6f45ddda4655446daeb7f231785cd484ebc6e9ada92b857ad3a8d7ce04276536f13
SSDEEP 24576:lCFZOZHLhrN+f4SULfWyBPzB8JAk4cQATb:oF+LL+fIWybB8
TLSH
T15915339832772A1FC8E73B37E5E739A463AE323D1936215C04A5F37D1E415C05726EA2
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1728-1-0x0000000074C92000-0x0000000074C94000-memory.dmp

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memory/1728-14-0x00000000027B0000-0x0000000002837000-memory.dmp

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memory/1728-0-0x0000000000E90000-0x0000000000EA0000-memory.dmp

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memory/2548-17-0x00000000030D0000-0x0000000003157000-memory.dmp

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memory/2548-16-0x0000000074C90000-0x0000000075241000-memory.dmp

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memory/2548-36-0x0000000074C90000-0x0000000075241000-memory.dmp

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memory/2548-40-0x0000000006AE0000-0x0000000006B43000-memory.dmp

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memory/2548-42-0x0000000006AE0000-0x0000000006B43000-memory.dmp

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memory/2548-22-0x0000000006AE0000-0x0000000006B43000-memory.dmp

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memory/2548-104-0x00000000030D0000-0x0000000003157000-memory.dmp

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memory/2548-15-0x0000000074C90000-0x0000000075241000-memory.dmp

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memory/2548-18-0x0000000006AE0000-0x0000000006B43000-memory.dmp

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memory/2548-33-0x0000000074C90000-0x0000000075241000-memory.dmp

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memory/3032-54-0x00000000029B0000-0x0000000002A94000-memory.dmp

Download

memory/3032-99-0x0000000001130000-0x000000000113C000-memory.dmp

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memory/3032-53-0x0000000000890000-0x000000000097C000-memory.dmp

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memory/3852-100-0x0000000000DC0000-0x0000000000E78000-memory.dmp

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memory/3852-101-0x0000000005DD0000-0x0000000006376000-memory.dmp

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memory/3852-102-0x0000000005740000-0x00000000057D2000-memory.dmp

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memory/3852-103-0x0000000005860000-0x000000000586A000-memory.dmp

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memory/5152-98-0x0000000000D70000-0x0000000000DAA000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads