njrat | 75c8d9e832b0c09c9d183788b062d227fe75fbe1ee62be105762985712ae7d86

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 05:50

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General

Target

b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe
Size

93KB
MD5

b71db5f9a027a69e4f0873348ebe35c1
SHA1

05de12c1dea4aa51846b42eeedd77cb7ac76d548
SHA256

75c8d9e832b0c09c9d183788b062d227fe75fbe1ee62be105762985712ae7d86
SHA512

a3ba781734fbb3ffe47ecc728255953a9bef129d96152fb5696b3e9f727d780a661aa904bd536542f0e15f3639a7d4d78070746fd45062ec198d0f1fc35ce5d1
SSDEEP

768:FY3r6pD9O/pBcxYsbae6GIXb9pDX2b98PL0OXLeuXxrjEtCdnl2pi1Rz4Rk3TsGm:Q6LOx6baIa9RPj00ljEwzGi1dD/DYgS

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

hakim32.ddns.net:2000

127.0.0.1:1604

Mutex

158a963e4971d14f9885ad09f8929995

Attributes

reg_key
158a963e4971d14f9885ad09f8929995
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 3 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2792	netsh.exe
2704	netsh.exe
2844	netsh.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\158a963e4971d14f9885ad09f8929995Windows Update.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\158a963e4971d14f9885ad09f8929995Windows Update.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
2516	server.exe

Loads dropped DLL 2 IoCs

pid	Process
388	b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe
388	b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.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 9 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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
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
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
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
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe
2516	server.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2516	server.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe
Token: 33	2516	server.exe
Token: SeIncBasePriorityPrivilege	2516	server.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 2516	388	b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe	31
PID 388 wrote to memory of 2516	388	b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe	31
PID 388 wrote to memory of 2516	388	b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe	31
PID 388 wrote to memory of 2516	388	b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe	31
PID 2516 wrote to memory of 2792	2516	server.exe	32
PID 2516 wrote to memory of 2792	2516	server.exe	32
PID 2516 wrote to memory of 2792	2516	server.exe	32
PID 2516 wrote to memory of 2792	2516	server.exe	32
PID 2516 wrote to memory of 2704	2516	server.exe	34
PID 2516 wrote to memory of 2704	2516	server.exe	34
PID 2516 wrote to memory of 2704	2516	server.exe	34
PID 2516 wrote to memory of 2704	2516	server.exe	34
PID 2516 wrote to memory of 2844	2516	server.exe	35
PID 2516 wrote to memory of 2844	2516	server.exe	35
PID 2516 wrote to memory of 2844	2516	server.exe	35
PID 2516 wrote to memory of 2844	2516	server.exe	35

C:\Users\Admin\AppData\Local\Temp\b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:388
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2516
- - 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:2792
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2704
- - 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:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\app

Filesize
4B

MD5
931db99e42055249760280846b3d667a

SHA1
9e0e0cea04560fcbf4ded54640a65a6987943672

SHA256
2a6b5dd5f6530a184eba6f0cced2c935751cf2c27fc3ab2e7124e76a249fdee6

SHA512
66471125ec18e0573e51decaf82bd7e1c792bad12ee0d98697a0870d1ddc670a6407912a648f44d5500ee543f37180ddf8825c86c8f990c2f8305620cf1ea6e0

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe

Filesize
93KB

MD5
b71db5f9a027a69e4f0873348ebe35c1

SHA1
05de12c1dea4aa51846b42eeedd77cb7ac76d548

SHA256
75c8d9e832b0c09c9d183788b062d227fe75fbe1ee62be105762985712ae7d86

SHA512
a3ba781734fbb3ffe47ecc728255953a9bef129d96152fb5696b3e9f727d780a661aa904bd536542f0e15f3639a7d4d78070746fd45062ec198d0f1fc35ce5d1

Download Submit
memory/388-0-0x0000000074071000-0x0000000074072000-memory.dmp

Filesize
4KB

Download
memory/388-1-0x0000000074070000-0x000000007461B000-memory.dmp

Filesize
5.7MB

Download
memory/388-2-0x0000000074070000-0x000000007461B000-memory.dmp

Filesize
5.7MB

Download
memory/388-14-0x0000000074070000-0x000000007461B000-memory.dmp

Filesize
5.7MB

Download
memory/2516-15-0x0000000074070000-0x000000007461B000-memory.dmp

Filesize
5.7MB

Download
memory/2516-16-0x0000000074070000-0x000000007461B000-memory.dmp

Filesize
5.7MB

Download
memory/2516-28-0x0000000074070000-0x000000007461B000-memory.dmp

Filesize
5.7MB

Download