njrat | 0cf2b8cec63ed4c00f0828a095e6e01d59ee784a5ca06969853540fe521aadf9

General

Target

0cf2b8cec63ed4c00f0828a095e6e01d59ee784a5ca06969853540fe521aadf9.exe
Size

288KB
MD5

f5d5587f0170f98891c3bcd494b37c9a
SHA1

aea7fb9d04979d927141b032bfafbdc8c93c8c74
SHA256

0cf2b8cec63ed4c00f0828a095e6e01d59ee784a5ca06969853540fe521aadf9
SHA512

30aef037d828f6ff3086fcfd498126a47965ac2c0fc9b535ed672c3c1d5bcd4b70e1715a67b88eeb0d7012f8af67cedc842e1ff501c8837739f2cc00b87215bf
SSDEEP

1536:Nq00woZx+IGIo1Rrn07UqbamIdDYBzTmzP1HUhGqk:Nq0tPrn0wqbamlKV2k

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
2816	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7996705f82973919e824226316f902bf.exe	system.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7996705f82973919e824226316f902bf.exe	system.exe

Executes dropped EXE 1 IoCs

pid	Process
2392	system.exe

Loads dropped DLL 1 IoCs

pid	Process
2692	0cf2b8cec63ed4c00f0828a095e6e01d59ee784a5ca06969853540fe521aadf9.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\7996705f82973919e824226316f902bf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\7996705f82973919e824226316f902bf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.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	0cf2b8cec63ed4c00f0828a095e6e01d59ee784a5ca06969853540fe521aadf9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	system.exe
Token: 33	2392	system.exe
Token: SeIncBasePriorityPrivilege	2392	system.exe
Token: 33	2392	system.exe
Token: SeIncBasePriorityPrivilege	2392	system.exe
Token: 33	2392	system.exe
Token: SeIncBasePriorityPrivilege	2392	system.exe
Token: 33	2392	system.exe
Token: SeIncBasePriorityPrivilege	2392	system.exe
Token: 33	2392	system.exe
Token: SeIncBasePriorityPrivilege	2392	system.exe
Token: 33	2392	system.exe
Token: SeIncBasePriorityPrivilege	2392	system.exe
Token: 33	2392	system.exe
Token: SeIncBasePriorityPrivilege	2392	system.exe
Token: 33	2392	system.exe
Token: SeIncBasePriorityPrivilege	2392	system.exe
Token: 33	2392	system.exe
Token: SeIncBasePriorityPrivilege	2392	system.exe
Token: 33	2392	system.exe
Token: SeIncBasePriorityPrivilege	2392	system.exe
Token: 33	2392	system.exe
Token: SeIncBasePriorityPrivilege	2392	system.exe
Token: 33	2392	system.exe
Token: SeIncBasePriorityPrivilege	2392	system.exe
Token: 33	2392	system.exe
Token: SeIncBasePriorityPrivilege	2392	system.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2392	2692	0cf2b8cec63ed4c00f0828a095e6e01d59ee784a5ca06969853540fe521aadf9.exe	31
PID 2692 wrote to memory of 2392	2692	0cf2b8cec63ed4c00f0828a095e6e01d59ee784a5ca06969853540fe521aadf9.exe	31
PID 2692 wrote to memory of 2392	2692	0cf2b8cec63ed4c00f0828a095e6e01d59ee784a5ca06969853540fe521aadf9.exe	31
PID 2692 wrote to memory of 2392	2692	0cf2b8cec63ed4c00f0828a095e6e01d59ee784a5ca06969853540fe521aadf9.exe	31
PID 2392 wrote to memory of 2816	2392	system.exe	32
PID 2392 wrote to memory of 2816	2392	system.exe	32
PID 2392 wrote to memory of 2816	2392	system.exe	32
PID 2392 wrote to memory of 2816	2392	system.exe	32

C:\Users\Admin\AppData\Local\Temp\0cf2b8cec63ed4c00f0828a095e6e01d59ee784a5ca06969853540fe521aadf9.exe
"C:\Users\Admin\AppData\Local\Temp\0cf2b8cec63ed4c00f0828a095e6e01d59ee784a5ca06969853540fe521aadf9.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Users\Admin\AppData\Local\Temp\system.exe
  "C:\Users\Admin\AppData\Local\Temp\system.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:2392
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system.exe" "system.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2816

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

System Information Discovery

1

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

\Users\Admin\AppData\Local\Temp\system.exe

Filesize
288KB

MD5
f5d5587f0170f98891c3bcd494b37c9a

SHA1
aea7fb9d04979d927141b032bfafbdc8c93c8c74

SHA256
0cf2b8cec63ed4c00f0828a095e6e01d59ee784a5ca06969853540fe521aadf9

SHA512
30aef037d828f6ff3086fcfd498126a47965ac2c0fc9b535ed672c3c1d5bcd4b70e1715a67b88eeb0d7012f8af67cedc842e1ff501c8837739f2cc00b87215bf

Download Submit
memory/2392-10-0x0000000074D30000-0x00000000752DB000-memory.dmp

Filesize
5.7MB

Download
memory/2392-11-0x0000000074D30000-0x00000000752DB000-memory.dmp

Filesize
5.7MB

Download
memory/2392-12-0x0000000074D30000-0x00000000752DB000-memory.dmp

Filesize
5.7MB

Download
memory/2392-15-0x0000000074D30000-0x00000000752DB000-memory.dmp

Filesize
5.7MB

Download
memory/2692-0-0x0000000074D31000-0x0000000074D32000-memory.dmp

Filesize
4KB

Download
memory/2692-1-0x0000000074D30000-0x00000000752DB000-memory.dmp

Filesize
5.7MB

Download
memory/2692-2-0x0000000074D30000-0x00000000752DB000-memory.dmp

Filesize
5.7MB

Download
memory/2692-13-0x0000000074D30000-0x00000000752DB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads