njrat | d8ae1399bbf2eb2be89e6e51dd10535a4f85100103d26e26f9e9b3ad2e383b10

General

Target

d8ae1399bbf2eb2be89e6e51dd10535a4f85100103d26e26f9e9b3ad2e383b10.exe
Size

23KB
MD5

5d6ba04c0c8ab374b7c5f58faf338155
SHA1

7c9706f54d88cda3240b5963fb5a944f373933f0
SHA256

d8ae1399bbf2eb2be89e6e51dd10535a4f85100103d26e26f9e9b3ad2e383b10
SHA512

796b09a1745be0997ed8a051a5083259fe488acb6d9ab55487353de7ac25622983d73e61af91361dfb78718939eaaf96d17bff7b9a3a523c67e131d2e6aeb5ea
SSDEEP

384:IoWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZID:37O89p2rRpcnuV

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
5036	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	d8ae1399bbf2eb2be89e6e51dd10535a4f85100103d26e26f9e9b3ad2e383b10.exe

Executes dropped EXE 1 IoCs

pid	Process
3468	server.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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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 3 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	d8ae1399bbf2eb2be89e6e51dd10535a4f85100103d26e26f9e9b3ad2e383b10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe
Token: 33	3468	server.exe
Token: SeIncBasePriorityPrivilege	3468	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 3468	964	d8ae1399bbf2eb2be89e6e51dd10535a4f85100103d26e26f9e9b3ad2e383b10.exe	94
PID 964 wrote to memory of 3468	964	d8ae1399bbf2eb2be89e6e51dd10535a4f85100103d26e26f9e9b3ad2e383b10.exe	94
PID 964 wrote to memory of 3468	964	d8ae1399bbf2eb2be89e6e51dd10535a4f85100103d26e26f9e9b3ad2e383b10.exe	94
PID 3468 wrote to memory of 5036	3468	server.exe	101
PID 3468 wrote to memory of 5036	3468	server.exe	101
PID 3468 wrote to memory of 5036	3468	server.exe	101

C:\Users\Admin\AppData\Local\Temp\d8ae1399bbf2eb2be89e6e51dd10535a4f85100103d26e26f9e9b3ad2e383b10.exe
"C:\Users\Admin\AppData\Local\Temp\d8ae1399bbf2eb2be89e6e51dd10535a4f85100103d26e26f9e9b3ad2e383b10.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:964
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3468
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:5036

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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

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

Filesize
23KB

MD5
5d6ba04c0c8ab374b7c5f58faf338155

SHA1
7c9706f54d88cda3240b5963fb5a944f373933f0

SHA256
d8ae1399bbf2eb2be89e6e51dd10535a4f85100103d26e26f9e9b3ad2e383b10

SHA512
796b09a1745be0997ed8a051a5083259fe488acb6d9ab55487353de7ac25622983d73e61af91361dfb78718939eaaf96d17bff7b9a3a523c67e131d2e6aeb5ea

Download Submit
memory/964-0-0x0000000075382000-0x0000000075383000-memory.dmp

Filesize
4KB

Download
memory/964-1-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/964-2-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/964-12-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/3468-13-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/3468-15-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/3468-14-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/3468-16-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads