njrat | 26f7e1788c2656cd64e69ac68873acfdd0160ff6ed07880720c4a52f5d52bc10

General

Target

26f7e1788c2656cd64e69ac68873acfdd0160ff6ed07880720c4a52f5d52bc10.exe
Size

23KB
MD5

76384fbf41e0a00a77b7fcba4d92fb24
SHA1

be5adb67b70429162202adbda371c6cd02cd5f20
SHA256

26f7e1788c2656cd64e69ac68873acfdd0160ff6ed07880720c4a52f5d52bc10
SHA512

e308a60e29013ae6b1fdbe5493ba7209c50d3479d517fbd2de4cfaeecfd5c9cad00d66e34748c898c2424ab9e113af270085b0774b8223bfc248a597ceaf5185
SSDEEP

384:RTWSEFDn65Egj6RGiYCINTY6xgXakh2oZDJmRvR6JZlbw8hqIusZzZKr:tm7OM9YX0MRpcnu3

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
3356	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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	26f7e1788c2656cd64e69ac68873acfdd0160ff6ed07880720c4a52f5d52bc10.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a2d1b1b05cb0b58cf6e21aefb30df1db.exe	Java.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a2d1b1b05cb0b58cf6e21aefb30df1db.exe	Java.exe

Executes dropped EXE 1 IoCs

pid	Process
4132	Java.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-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a2d1b1b05cb0b58cf6e21aefb30df1db = "\"C:\\ProgramData\\Java.exe\" .."	Java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\a2d1b1b05cb0b58cf6e21aefb30df1db = "\"C:\\ProgramData\\Java.exe\" .."	Java.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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	26f7e1788c2656cd64e69ac68873acfdd0160ff6ed07880720c4a52f5d52bc10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Java.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe
Token: 33	4132	Java.exe
Token: SeIncBasePriorityPrivilege	4132	Java.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4052 wrote to memory of 4132	4052	26f7e1788c2656cd64e69ac68873acfdd0160ff6ed07880720c4a52f5d52bc10.exe	92
PID 4052 wrote to memory of 4132	4052	26f7e1788c2656cd64e69ac68873acfdd0160ff6ed07880720c4a52f5d52bc10.exe	92
PID 4052 wrote to memory of 4132	4052	26f7e1788c2656cd64e69ac68873acfdd0160ff6ed07880720c4a52f5d52bc10.exe	92
PID 4132 wrote to memory of 3356	4132	Java.exe	95
PID 4132 wrote to memory of 3356	4132	Java.exe	95
PID 4132 wrote to memory of 3356	4132	Java.exe	95

C:\Users\Admin\AppData\Local\Temp\26f7e1788c2656cd64e69ac68873acfdd0160ff6ed07880720c4a52f5d52bc10.exe
"C:\Users\Admin\AppData\Local\Temp\26f7e1788c2656cd64e69ac68873acfdd0160ff6ed07880720c4a52f5d52bc10.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4052
- C:\ProgramData\Java.exe
  "C:\ProgramData\Java.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4132
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\ProgramData\Java.exe" "Java.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3356

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:\ProgramData\Java.exe

Filesize
23KB

MD5
76384fbf41e0a00a77b7fcba4d92fb24

SHA1
be5adb67b70429162202adbda371c6cd02cd5f20

SHA256
26f7e1788c2656cd64e69ac68873acfdd0160ff6ed07880720c4a52f5d52bc10

SHA512
e308a60e29013ae6b1fdbe5493ba7209c50d3479d517fbd2de4cfaeecfd5c9cad00d66e34748c898c2424ab9e113af270085b0774b8223bfc248a597ceaf5185

Download Submit
memory/4052-0-0x0000000075242000-0x0000000075243000-memory.dmp

Filesize
4KB

Download
memory/4052-1-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download
memory/4052-2-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download
memory/4052-12-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download
memory/4132-13-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download
memory/4132-14-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download
memory/4132-15-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download
memory/4132-17-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads