njrat | 104858a06e493bca79d02488ca5f0f481a032aaa207859a686b1ec098299601b

General

Target

104858a06e493bca79d02488ca5f0f481a032aaa207859a686b1ec098299601bN.exe
Size

23KB
MD5

af673b5a220e320f2bb89b89bdfa0de0
SHA1

3b6897f41558996f24c6a9bc55185c0db7d7b36d
SHA256

104858a06e493bca79d02488ca5f0f481a032aaa207859a686b1ec098299601b
SHA512

d2e529cf2dad2fc628d1b0c3e46c4d4d019e6232f3be83ae10952f9c396338fb008939ae8fdd1035e9157e4b257f043f9e45525f5b8bce1cf15b061159ccfa6a
SSDEEP

384:HslUlEvOEJ8xWwYJOMiOBZEdj1567gtwi5HhbQmRvR6JZlbw8hqIusZzZKM+:4eEvwIlLMRpcnunT

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

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
1000	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	104858a06e493bca79d02488ca5f0f481a032aaa207859a686b1ec098299601bN.exe

Executes dropped EXE 1 IoCs

pid	Process
2548	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\398be2ccd5142b1e151174bf3e1b17dd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\398be2ccd5142b1e151174bf3e1b17dd = "\"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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	104858a06e493bca79d02488ca5f0f481a032aaa207859a686b1ec098299601bN.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 27 IoCs

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

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 2548	1216	104858a06e493bca79d02488ca5f0f481a032aaa207859a686b1ec098299601bN.exe	94
PID 1216 wrote to memory of 2548	1216	104858a06e493bca79d02488ca5f0f481a032aaa207859a686b1ec098299601bN.exe	94
PID 1216 wrote to memory of 2548	1216	104858a06e493bca79d02488ca5f0f481a032aaa207859a686b1ec098299601bN.exe	94
PID 2548 wrote to memory of 1000	2548	server.exe	99
PID 2548 wrote to memory of 1000	2548	server.exe	99
PID 2548 wrote to memory of 1000	2548	server.exe	99

C:\Users\Admin\AppData\Local\Temp\104858a06e493bca79d02488ca5f0f481a032aaa207859a686b1ec098299601bN.exe
"C:\Users\Admin\AppData\Local\Temp\104858a06e493bca79d02488ca5f0f481a032aaa207859a686b1ec098299601bN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1216
- 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:2548
- - 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:1000

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
af673b5a220e320f2bb89b89bdfa0de0

SHA1
3b6897f41558996f24c6a9bc55185c0db7d7b36d

SHA256
104858a06e493bca79d02488ca5f0f481a032aaa207859a686b1ec098299601b

SHA512
d2e529cf2dad2fc628d1b0c3e46c4d4d019e6232f3be83ae10952f9c396338fb008939ae8fdd1035e9157e4b257f043f9e45525f5b8bce1cf15b061159ccfa6a

Download Submit
memory/1216-0-0x00000000750D2000-0x00000000750D3000-memory.dmp

Filesize
4KB

Download
memory/1216-1-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/1216-2-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/1216-13-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/2548-12-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/2548-14-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/2548-15-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads