njrat | d003f94aca83e61adc266160682c4220a7c61947d0cf43d85bcad84dd37afa7c

General

Target

ce36de4c05449367040a4d0acd654e2c_JaffaCakes118.exe
Size

71KB
MD5

ce36de4c05449367040a4d0acd654e2c
SHA1

969fd2ee240e92cf3e276d9aa9b522a3e6a6ca9c
SHA256

d003f94aca83e61adc266160682c4220a7c61947d0cf43d85bcad84dd37afa7c
SHA512

4022fab2faa3a431245c79ad27ab0387e41e9196e877f185e7477bdf3f56b7c51242646da4d7e343a21a1d57dec6f85500e254955283aee2562de280ac4aee25
SSDEEP

1536:cnqataQKbBthkLL69E2kszV8WUhIankpU5jxZgN/EOuNHdn2G/G:zataNbBIL6q2NV66n0sN8NHa

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

ghost11.ddns.net:5552

Mutex

b61ae7996480d4a7310c3a469e022932

Attributes

reg_key
b61ae7996480d4a7310c3a469e022932
splitter
|'|'|

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
4348	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	ce36de4c05449367040a4d0acd654e2c_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3232	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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b61ae7996480d4a7310c3a469e022932 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\b61ae7996480d4a7310c3a469e022932 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\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 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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
628	4752	WerFault.exe	81

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	ce36de4c05449367040a4d0acd654e2c_JaffaCakes118.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 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	3232	server.exe
Token: 33	3232	server.exe
Token: SeIncBasePriorityPrivilege	3232	server.exe
Token: 33	3232	server.exe
Token: SeIncBasePriorityPrivilege	3232	server.exe
Token: 33	3232	server.exe
Token: SeIncBasePriorityPrivilege	3232	server.exe
Token: 33	3232	server.exe
Token: SeIncBasePriorityPrivilege	3232	server.exe
Token: 33	3232	server.exe
Token: SeIncBasePriorityPrivilege	3232	server.exe
Token: 33	3232	server.exe
Token: SeIncBasePriorityPrivilege	3232	server.exe
Token: 33	3232	server.exe
Token: SeIncBasePriorityPrivilege	3232	server.exe
Token: 33	3232	server.exe
Token: SeIncBasePriorityPrivilege	3232	server.exe
Token: 33	3232	server.exe
Token: SeIncBasePriorityPrivilege	3232	server.exe
Token: 33	3232	server.exe
Token: SeIncBasePriorityPrivilege	3232	server.exe
Token: 33	3232	server.exe
Token: SeIncBasePriorityPrivilege	3232	server.exe
Token: 33	3232	server.exe
Token: SeIncBasePriorityPrivilege	3232	server.exe
Token: 33	3232	server.exe
Token: SeIncBasePriorityPrivilege	3232	server.exe
Token: 33	3232	server.exe
Token: SeIncBasePriorityPrivilege	3232	server.exe
Token: 33	3232	server.exe
Token: SeIncBasePriorityPrivilege	3232	server.exe
Token: 33	3232	server.exe
Token: SeIncBasePriorityPrivilege	3232	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4752 wrote to memory of 3232	4752	ce36de4c05449367040a4d0acd654e2c_JaffaCakes118.exe	82
PID 4752 wrote to memory of 3232	4752	ce36de4c05449367040a4d0acd654e2c_JaffaCakes118.exe	82
PID 4752 wrote to memory of 3232	4752	ce36de4c05449367040a4d0acd654e2c_JaffaCakes118.exe	82
PID 3232 wrote to memory of 4348	3232	server.exe	90
PID 3232 wrote to memory of 4348	3232	server.exe	90
PID 3232 wrote to memory of 4348	3232	server.exe	90

C:\Users\Admin\AppData\Local\Temp\ce36de4c05449367040a4d0acd654e2c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ce36de4c05449367040a4d0acd654e2c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4752
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\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:3232
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4348
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 1816
  2⤵
  - Program crash
  PID:628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4752 -ip 4752
1⤵
PID:804

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\Local\Temp\server.exe

Filesize
71KB

MD5
ce36de4c05449367040a4d0acd654e2c

SHA1
969fd2ee240e92cf3e276d9aa9b522a3e6a6ca9c

SHA256
d003f94aca83e61adc266160682c4220a7c61947d0cf43d85bcad84dd37afa7c

SHA512
4022fab2faa3a431245c79ad27ab0387e41e9196e877f185e7477bdf3f56b7c51242646da4d7e343a21a1d57dec6f85500e254955283aee2562de280ac4aee25

Download Submit
memory/3232-30-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/3232-29-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/3232-28-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/3232-27-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/3232-25-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/3232-23-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/4752-10-0x0000000005640000-0x000000000564C000-memory.dmp

Filesize
48KB

Download
memory/4752-8-0x0000000007C90000-0x0000000007CE6000-memory.dmp

Filesize
344KB

Download
memory/4752-9-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/4752-0-0x000000007535E000-0x000000007535F000-memory.dmp

Filesize
4KB

Download
memory/4752-7-0x0000000004F20000-0x0000000004F2A000-memory.dmp

Filesize
40KB

Download
memory/4752-6-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/4752-24-0x000000007535E000-0x000000007535F000-memory.dmp

Filesize
4KB

Download
memory/4752-5-0x0000000007B00000-0x0000000007B92000-memory.dmp

Filesize
584KB

Download
memory/4752-26-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/4752-4-0x0000000008010000-0x00000000085B4000-memory.dmp

Filesize
5.6MB

Download
memory/4752-3-0x00000000079C0000-0x0000000007A5C000-memory.dmp

Filesize
624KB

Download
memory/4752-2-0x0000000005420000-0x0000000005444000-memory.dmp

Filesize
144KB

Download
memory/4752-1-0x0000000000B20000-0x0000000000B38000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads