njrat | 7faccee5a32b154a0e6608e807bd2be5267beae377b1e7c8fc30a65801e16f7a

General

Target

JaffaCakes118_698dc362942cb76e6caada0aeae4a360.exe
Size

611KB
MD5

698dc362942cb76e6caada0aeae4a360
SHA1

c148bbc943e1dfc480a8923b4736552c98ae8793
SHA256

7faccee5a32b154a0e6608e807bd2be5267beae377b1e7c8fc30a65801e16f7a
SHA512

8e49217e283b2786233acddfa68dd3306df9b4567aaa82feecfdefd589a56df36900730e100290564d6feaae02059deb1c14e2be974499c8e4a192711cbefcb2
SSDEEP

6144:E2vFbFQEUvuGAUh5zZ1dzlqXRvqlTwSAPDCbiqiDgdri6yiuQlvJsk0IPYhHq8+4:E2hOLAUhBZ1dzlyvq9rlPyiFxvZdH

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
512	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	JaffaCakes118_698dc362942cb76e6caada0aeae4a360.exe

Executes dropped EXE 1 IoCs

pid	Process
4560	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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\916ec3dd06dff26432f759abaa3ccc0f = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\916ec3dd06dff26432f759abaa3ccc0f = "\"C:\\Users\\Admin\\AppData\\Roaming\\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 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	JaffaCakes118_698dc362942cb76e6caada0aeae4a360.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	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe
Token: 33	4560	server.exe
Token: SeIncBasePriorityPrivilege	4560	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 4560	1284	JaffaCakes118_698dc362942cb76e6caada0aeae4a360.exe	82
PID 1284 wrote to memory of 4560	1284	JaffaCakes118_698dc362942cb76e6caada0aeae4a360.exe	82
PID 1284 wrote to memory of 4560	1284	JaffaCakes118_698dc362942cb76e6caada0aeae4a360.exe	82
PID 4560 wrote to memory of 512	4560	server.exe	87
PID 4560 wrote to memory of 512	4560	server.exe	87
PID 4560 wrote to memory of 512	4560	server.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_698dc362942cb76e6caada0aeae4a360.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_698dc362942cb76e6caada0aeae4a360.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Users\Admin\AppData\Roaming\server.exe
  "C:\Users\Admin\AppData\Roaming\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:4560
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:512

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\Roaming\server.exe

Filesize
611KB

MD5
698dc362942cb76e6caada0aeae4a360

SHA1
c148bbc943e1dfc480a8923b4736552c98ae8793

SHA256
7faccee5a32b154a0e6608e807bd2be5267beae377b1e7c8fc30a65801e16f7a

SHA512
8e49217e283b2786233acddfa68dd3306df9b4567aaa82feecfdefd589a56df36900730e100290564d6feaae02059deb1c14e2be974499c8e4a192711cbefcb2

Download Submit
memory/1284-0-0x0000000074CF2000-0x0000000074CF3000-memory.dmp

Filesize
4KB

Download
memory/1284-1-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Filesize
5.7MB

Download
memory/1284-2-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Filesize
5.7MB

Download
memory/1284-12-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Filesize
5.7MB

Download
memory/4560-13-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Filesize
5.7MB

Download
memory/4560-14-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Filesize
5.7MB

Download
memory/4560-15-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads