njrat | aee4566c0079232220d05027859303ac5f76a6db6a1ee2ee8946f68bc9ac889d

General

Target

JaffaCakes118_1249a130226433cade7ba31890f6f37c.exe
Size

268KB
MD5

1249a130226433cade7ba31890f6f37c
SHA1

4012785a1ae0cf850f879f07744431a73edc1560
SHA256

aee4566c0079232220d05027859303ac5f76a6db6a1ee2ee8946f68bc9ac889d
SHA512

ca649cbfc7f10d47b56d2f53c8bc52fce92bb1705c0be5f91205448b683e332863acec8cc48d0581ad9f19ec774fb4c8b23a16a42ae3fa853b5db34b4167c8bb
SSDEEP

3072:U2ejuzN8baRYX2NCanoHXoJyWs12WD9Erugvntaxw9:Tej4EF4uRxw

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

anonymous1999.hopto.org:4444

Mutex

9501956304f9daf11a329e0e62d89787

Attributes

reg_key
9501956304f9daf11a329e0e62d89787
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
3564	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_1249a130226433cade7ba31890f6f37c.exe

Executes dropped EXE 1 IoCs

pid	Process
2340	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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9501956304f9daf11a329e0e62d89787 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\9501956304f9daf11a329e0e62d89787 = "\"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_1249a130226433cade7ba31890f6f37c.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 19 IoCs

description	pid	Process
Token: SeDebugPrivilege	2340	server.exe
Token: 33	2340	server.exe
Token: SeIncBasePriorityPrivilege	2340	server.exe
Token: 33	2340	server.exe
Token: SeIncBasePriorityPrivilege	2340	server.exe
Token: 33	2340	server.exe
Token: SeIncBasePriorityPrivilege	2340	server.exe
Token: 33	2340	server.exe
Token: SeIncBasePriorityPrivilege	2340	server.exe
Token: 33	2340	server.exe
Token: SeIncBasePriorityPrivilege	2340	server.exe
Token: 33	2340	server.exe
Token: SeIncBasePriorityPrivilege	2340	server.exe
Token: 33	2340	server.exe
Token: SeIncBasePriorityPrivilege	2340	server.exe
Token: 33	2340	server.exe
Token: SeIncBasePriorityPrivilege	2340	server.exe
Token: 33	2340	server.exe
Token: SeIncBasePriorityPrivilege	2340	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3192 wrote to memory of 2340	3192	JaffaCakes118_1249a130226433cade7ba31890f6f37c.exe	99
PID 3192 wrote to memory of 2340	3192	JaffaCakes118_1249a130226433cade7ba31890f6f37c.exe	99
PID 3192 wrote to memory of 2340	3192	JaffaCakes118_1249a130226433cade7ba31890f6f37c.exe	99
PID 2340 wrote to memory of 3564	2340	server.exe	101
PID 2340 wrote to memory of 3564	2340	server.exe	101
PID 2340 wrote to memory of 3564	2340	server.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1249a130226433cade7ba31890f6f37c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1249a130226433cade7ba31890f6f37c.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3192
- 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:2340
- - 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:3564

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
268KB

MD5
1249a130226433cade7ba31890f6f37c

SHA1
4012785a1ae0cf850f879f07744431a73edc1560

SHA256
aee4566c0079232220d05027859303ac5f76a6db6a1ee2ee8946f68bc9ac889d

SHA512
ca649cbfc7f10d47b56d2f53c8bc52fce92bb1705c0be5f91205448b683e332863acec8cc48d0581ad9f19ec774fb4c8b23a16a42ae3fa853b5db34b4167c8bb

Download Submit
memory/2340-25-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/2340-24-0x0000000005AE0000-0x0000000005AEA000-memory.dmp

Filesize
40KB

Download
memory/2340-23-0x0000000005B60000-0x0000000005BF2000-memory.dmp

Filesize
584KB

Download
memory/2340-22-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/2340-21-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/2340-20-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/3192-3-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

Filesize
4KB

Download
memory/3192-19-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/3192-6-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/3192-5-0x0000000005390000-0x0000000005934000-memory.dmp

Filesize
5.6MB

Download
memory/3192-4-0x00000000048B0000-0x00000000048BC000-memory.dmp

Filesize
48KB

Download
memory/3192-0-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

Filesize
4KB

Download
memory/3192-2-0x0000000004970000-0x0000000004A0C000-memory.dmp

Filesize
624KB

Download
memory/3192-1-0x00000000000C0000-0x000000000010A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads