njrat | d264f3aa382f23e1b0bf3176f54a8f1b977b7daf482af3f8d384dc7d1b8db27e

General

Target

ea473bd1e6f91a020a89b25695d8ba35_JaffaCakes118.exe
Size

55KB
MD5

ea473bd1e6f91a020a89b25695d8ba35
SHA1

92a56a271532038532d7091830e3f9f7a8a871be
SHA256

d264f3aa382f23e1b0bf3176f54a8f1b977b7daf482af3f8d384dc7d1b8db27e
SHA512

96f2cc0a73bd041d0f6a5f48d6e88407e7c8832835bb437378031d701672d4a0edce41f648b1aa4ed34f67190a66aaf3f53e5552de853b83d65e4d38028ff541
SSDEEP

1536:RKgzkS8p1G/NsOCMuvrEFWyC4hGW53K1G/NsOCMuvrEFWyC4hGW:RKgzkS8qC7yxwW53vC7yxwW

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

23f0e3bce589df29a3e6f3e8879b41c1

Attributes

reg_key
23f0e3bce589df29a3e6f3e8879b41c1
splitter
|'|'|

Signatures

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
2464	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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	ea473bd1e6f91a020a89b25695d8ba35_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2692	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

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	ea473bd1e6f91a020a89b25695d8ba35_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 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe
Token: 33	2692	server.exe
Token: SeIncBasePriorityPrivilege	2692	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 2692	4540	ea473bd1e6f91a020a89b25695d8ba35_JaffaCakes118.exe	86
PID 4540 wrote to memory of 2692	4540	ea473bd1e6f91a020a89b25695d8ba35_JaffaCakes118.exe	86
PID 4540 wrote to memory of 2692	4540	ea473bd1e6f91a020a89b25695d8ba35_JaffaCakes118.exe	86
PID 2692 wrote to memory of 2464	2692	server.exe	90
PID 2692 wrote to memory of 2464	2692	server.exe	90
PID 2692 wrote to memory of 2464	2692	server.exe	90

C:\Users\Admin\AppData\Local\Temp\ea473bd1e6f91a020a89b25695d8ba35_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea473bd1e6f91a020a89b25695d8ba35_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2692
- - 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:2464

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\Local\Temp\server.exe

Filesize
55KB

MD5
ea473bd1e6f91a020a89b25695d8ba35

SHA1
92a56a271532038532d7091830e3f9f7a8a871be

SHA256
d264f3aa382f23e1b0bf3176f54a8f1b977b7daf482af3f8d384dc7d1b8db27e

SHA512
96f2cc0a73bd041d0f6a5f48d6e88407e7c8832835bb437378031d701672d4a0edce41f648b1aa4ed34f67190a66aaf3f53e5552de853b83d65e4d38028ff541

Download Submit
memory/2692-20-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/2692-18-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/2692-21-0x00000000052A0000-0x0000000005332000-memory.dmp

Filesize
584KB

Download
memory/2692-22-0x0000000005230000-0x000000000523A000-memory.dmp

Filesize
40KB

Download
memory/2692-23-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/2692-24-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4540-2-0x0000000000B20000-0x0000000000B2C000-memory.dmp

Filesize
48KB

Download
memory/4540-3-0x0000000004C30000-0x0000000004CCC000-memory.dmp

Filesize
624KB

Download
memory/4540-4-0x00000000054B0000-0x0000000005A54000-memory.dmp

Filesize
5.6MB

Download
memory/4540-5-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4540-1-0x00000000002B0000-0x00000000002C4000-memory.dmp

Filesize
80KB

Download
memory/4540-19-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4540-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads