njrat | ff712e3125edb1fff53504f41688b0199bbd1826c070d0e01a709466f18ff463

General

Target

JaffaCakes118_5c85732bd87cf170c6940bd4295205bd.exe
Size

64KB
MD5

5c85732bd87cf170c6940bd4295205bd
SHA1

87c80fa08f90298bdbeaba072bfa865fec4ad32b
SHA256

ff712e3125edb1fff53504f41688b0199bbd1826c070d0e01a709466f18ff463
SHA512

3c97f0439d1f3ab19e03d07503bc01ebe8b3a6ed54866ab509ff9a1027efee359eb16520091555c3672a28056e38ed78a67d90829659d68d94692ccd6a18f62d
SSDEEP

768:ADJ7/Ypg+5uP3F1aRbISeFWvsiKPs942U5NDjRtynWUYq160PRgCZApW4p8wj5J:ADFQcSUmvsrsu5NZYnWCjFd4iwj3

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

doosh1.ddns.net:1177

Mutex

85512046f02e2e40ac8b7817ba607078

Attributes

reg_key
85512046f02e2e40ac8b7817ba607078
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
3328	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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_5c85732bd87cf170c6940bd4295205bd.exe

Executes dropped EXE 1 IoCs

pid	Process
2444	Update.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_5c85732bd87cf170c6940bd4295205bd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe
Token: 33	2444	Update.exe
Token: SeIncBasePriorityPrivilege	2444	Update.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 2444	1420	JaffaCakes118_5c85732bd87cf170c6940bd4295205bd.exe	89
PID 1420 wrote to memory of 2444	1420	JaffaCakes118_5c85732bd87cf170c6940bd4295205bd.exe	89
PID 1420 wrote to memory of 2444	1420	JaffaCakes118_5c85732bd87cf170c6940bd4295205bd.exe	89
PID 2444 wrote to memory of 3328	2444	Update.exe	96
PID 2444 wrote to memory of 3328	2444	Update.exe	96
PID 2444 wrote to memory of 3328	2444	Update.exe	96

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c85732bd87cf170c6940bd4295205bd.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c85732bd87cf170c6940bd4295205bd.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Users\Admin\AppData\Roaming\Update.exe
  "C:\Users\Admin\AppData\Roaming\Update.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2444
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Update.exe" "Update.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3328

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

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Downloads

C:\Users\Admin\AppData\Roaming\Update.exe

Filesize
64KB

MD5
5c85732bd87cf170c6940bd4295205bd

SHA1
87c80fa08f90298bdbeaba072bfa865fec4ad32b

SHA256
ff712e3125edb1fff53504f41688b0199bbd1826c070d0e01a709466f18ff463

SHA512
3c97f0439d1f3ab19e03d07503bc01ebe8b3a6ed54866ab509ff9a1027efee359eb16520091555c3672a28056e38ed78a67d90829659d68d94692ccd6a18f62d

Download Submit
memory/1420-3-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/1420-2-0x0000000004D10000-0x0000000004DAC000-memory.dmp

Filesize
624KB

Download
memory/1420-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/1420-4-0x0000000002710000-0x000000000271C000-memory.dmp

Filesize
48KB

Download
memory/1420-5-0x00000000053C0000-0x0000000005964000-memory.dmp

Filesize
5.6MB

Download
memory/1420-1-0x0000000000370000-0x0000000000386000-memory.dmp

Filesize
88KB

Download
memory/1420-19-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2444-18-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2444-20-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2444-21-0x0000000004E20000-0x0000000004EB2000-memory.dmp

Filesize
584KB

Download
memory/2444-22-0x0000000004DB0000-0x0000000004DBA000-memory.dmp

Filesize
40KB

Download
memory/2444-23-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2444-24-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads