njrat | f209260f23170658aa3989825d80ed17c8eae2e1530a9e084435f4714bc9ee74

General

Target

JaffaCakes118_63a1990643be12232c4f051cde3c5a00.exe
Size

24KB
MD5

63a1990643be12232c4f051cde3c5a00
SHA1

05bbd7851bd4931c64049bfded20dfd3378cb00f
SHA256

f209260f23170658aa3989825d80ed17c8eae2e1530a9e084435f4714bc9ee74
SHA512

6d8f6346543f57a739294a5a464b482f5effc4d3c1ee5e3c5a8b215d3cfc2221288cd09f0febbff40d66a801439aebd55c7860345c93ee38ceeb3c9904f6deae
SSDEEP

384:sfMK6b2GZsx/Yr1+liORH1kcPFQ6Lg9gSOYRr9mRvR6JZlbw8hqIusZzZtD:sYb9glF51LRpcnuO

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
4524	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	JaffaCakes118_63a1990643be12232c4f051cde3c5a00.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b7e30064d350e77a0cde4cedcbea0ba2.exe	Windows.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b7e30064d350e77a0cde4cedcbea0ba2.exe	Windows.exe

Executes dropped EXE 1 IoCs

pid	Process
1340	Windows.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b7e30064d350e77a0cde4cedcbea0ba2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Windows.exe\" .."	Windows.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\b7e30064d350e77a0cde4cedcbea0ba2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Windows.exe\" .."	Windows.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	JaffaCakes118_63a1990643be12232c4f051cde3c5a00.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Windows.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe
Token: 33	1340	Windows.exe
Token: SeIncBasePriorityPrivilege	1340	Windows.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 1340	1268	JaffaCakes118_63a1990643be12232c4f051cde3c5a00.exe	84
PID 1268 wrote to memory of 1340	1268	JaffaCakes118_63a1990643be12232c4f051cde3c5a00.exe	84
PID 1268 wrote to memory of 1340	1268	JaffaCakes118_63a1990643be12232c4f051cde3c5a00.exe	84
PID 1340 wrote to memory of 4524	1340	Windows.exe	93
PID 1340 wrote to memory of 4524	1340	Windows.exe	93
PID 1340 wrote to memory of 4524	1340	Windows.exe	93

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63a1990643be12232c4f051cde3c5a00.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63a1990643be12232c4f051cde3c5a00.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Users\Admin\AppData\Local\Temp\Windows.exe
  "C:\Users\Admin\AppData\Local\Temp\Windows.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:1340
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Windows.exe" "Windows.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4524

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
24KB

MD5
63a1990643be12232c4f051cde3c5a00

SHA1
05bbd7851bd4931c64049bfded20dfd3378cb00f

SHA256
f209260f23170658aa3989825d80ed17c8eae2e1530a9e084435f4714bc9ee74

SHA512
6d8f6346543f57a739294a5a464b482f5effc4d3c1ee5e3c5a8b215d3cfc2221288cd09f0febbff40d66a801439aebd55c7860345c93ee38ceeb3c9904f6deae

Download Submit
memory/1268-0-0x0000000074BB2000-0x0000000074BB3000-memory.dmp

Filesize
4KB

Download
memory/1268-1-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/1268-2-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/1268-13-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/1340-12-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/1340-14-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/1340-16-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads