njrat | a6f6e5c3c97c144017680125611d208180a11cbede998b814eccc003d19958c9

General

Target

c06aa970bd19848b1e30d7ef29b96db9_JaffaCakes118.exe
Size

118KB
MD5

c06aa970bd19848b1e30d7ef29b96db9
SHA1

d00136054593fd2866a708ab0747a906a9329ddc
SHA256

a6f6e5c3c97c144017680125611d208180a11cbede998b814eccc003d19958c9
SHA512

e89b997a3c3c2209b27413a4d91e8e85832bfb8b0a5732194d92f6e7f0d3b17c2b3835bc00d54d2851ecaaee7c6dceb09c6263bdeba9f8865f775ab341afe655
SSDEEP

1536:u7f65g9OX2CLGAApICdOk/dYLAZXdlItBGTjeIOlnToIfqwqHTTarAW9ctzqmg1I:knlVICUkLrGGTINTBfqHHYcFqmaI

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
2832	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	cscript.exe

Executes dropped EXE 1 IoCs

pid	Process
2336	ServerName.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	c06aa970bd19848b1e30d7ef29b96db9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ServerName.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe
Token: 33	2336	ServerName.exe
Token: SeIncBasePriorityPrivilege	2336	ServerName.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 3436	2216	c06aa970bd19848b1e30d7ef29b96db9_JaffaCakes118.exe	83
PID 2216 wrote to memory of 3436	2216	c06aa970bd19848b1e30d7ef29b96db9_JaffaCakes118.exe	83
PID 3436 wrote to memory of 2336	3436	cscript.exe	84
PID 3436 wrote to memory of 2336	3436	cscript.exe	84
PID 3436 wrote to memory of 2336	3436	cscript.exe	84
PID 2336 wrote to memory of 2832	2336	ServerName.exe	85
PID 2336 wrote to memory of 2832	2336	ServerName.exe	85
PID 2336 wrote to memory of 2832	2336	ServerName.exe	85

C:\Users\Admin\AppData\Local\Temp\c06aa970bd19848b1e30d7ef29b96db9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c06aa970bd19848b1e30d7ef29b96db9_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Windows\system32\cscript.exe
  "C:\Windows\sysnative\cscript" C:\Users\Admin\AppData\Local\Temp\A7E8.tmp\A7E9.tmp\A7EA.vbs //Nologo
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:3436
- - C:\Users\Admin\AppData\Roaming\ServerName.exe
    "C:\Users\Admin\AppData\Roaming\ServerName.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2336
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\ServerName.exe" "ServerName.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

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

1

T1562.004

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\A7E8.tmp\A7E9.tmp\A7EA.vbs

Filesize
64KB

MD5
b2cca365214a78a41e520385fe38ca6d

SHA1
cc35acfe65dd34e10981a8a1b826d075ab73e558

SHA256
5e3416c1f4df20a75410f322edacb3247fe2e270a6abd13765f243f9f82cdb5a

SHA512
3c35f92f43e5a2cce29be8dd6d42a84a7436390224114c572c71dc4258b2beb35a1aea6ff4c9c82a60dc0ab3554da88fd880b5931204f450da30e6ac4ae3e384

Download Submit
C:\Users\Admin\AppData\Roaming\ServerName.exe

Filesize
23KB

MD5
41131e8adc7272f892a2c93ef32a1c60

SHA1
fe49f5293e0ec55720e9f1bb48666e513d16b81d

SHA256
81fa732787973ee56d454a5b438b6495a1c855c47f6e86c4d44b1f35f163546b

SHA512
006c21afcefaea738ab46939edbfb5c18fbf16e62afa2f2ff9d667a184a8f1eceeb65ae4c222245452fd1e016ce5849f4e1f5d2734f6684e9e9e8de59adc76ae

Download Submit
memory/2336-10-0x0000000074772000-0x0000000074773000-memory.dmp

Filesize
4KB

Download
memory/2336-11-0x0000000074770000-0x0000000074D21000-memory.dmp

Filesize
5.7MB

Download
memory/2336-12-0x0000000074770000-0x0000000074D21000-memory.dmp

Filesize
5.7MB

Download
memory/2336-13-0x0000000074772000-0x0000000074773000-memory.dmp

Filesize
4KB

Download
memory/2336-14-0x0000000074770000-0x0000000074D21000-memory.dmp

Filesize
5.7MB

Download
memory/2336-15-0x0000000074770000-0x0000000074D21000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads