njrat | 571717302e5484af69e655f8a7c30bff4e5b75aa3040301dca16a08754f0ae6c

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
02-07-2024 17:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

203b73e808125cc0977ccf304ce317d5_JaffaCakes118.exe
Size

305KB
MD5

203b73e808125cc0977ccf304ce317d5
SHA1

35505f4fc885c4bda0562a0d63eacb5cc671e221
SHA256

571717302e5484af69e655f8a7c30bff4e5b75aa3040301dca16a08754f0ae6c
SHA512

8f2db3f75c261036b199be759adfa4f9672eb33a0a8b81bff15acc6025477361b2f84691a2083556f8a99931ac5866163ea51b34b672f5bed80d2ac40a5393be
SSDEEP

6144:YcHbIptSzgSFdPp1rFQ4qFPmVOx342sbLBW3mtA6ZwM6iOOyFt:XcpgzH/Pp1rH3VC4lzWO

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

192.168.1.8:5050

Mutex

4999afda9f0d69cc9d92a2163f1e945f

Attributes

reg_key
4999afda9f0d69cc9d92a2163f1e945f
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

Processes:

netsh.exe

pid process

1112 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

Processes:

203b73e808125cc0977ccf304ce317d5_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation 203b73e808125cc0977ccf304ce317d5_JaffaCakes118.exe
Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

1468 server.exe

pid	process
1112	netsh.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation	203b73e808125cc0977ccf304ce317d5_JaffaCakes118.exe

pid	process
1468	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4999afda9f0d69cc9d92a2163f1e945f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\4999afda9f0d69cc9d92a2163f1e945f = "\"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

Processes:

netsh.exe

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

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe
Token: 33	1468	server.exe
Token: SeIncBasePriorityPrivilege	1468	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

203b73e808125cc0977ccf304ce317d5_JaffaCakes118.exeserver.exe

description	pid	process	target process
PID 2952 wrote to memory of 1468	2952	203b73e808125cc0977ccf304ce317d5_JaffaCakes118.exe	server.exe
PID 2952 wrote to memory of 1468	2952	203b73e808125cc0977ccf304ce317d5_JaffaCakes118.exe	server.exe
PID 2952 wrote to memory of 1468	2952	203b73e808125cc0977ccf304ce317d5_JaffaCakes118.exe	server.exe
PID 1468 wrote to memory of 1112	1468	server.exe	netsh.exe
PID 1468 wrote to memory of 1112	1468	server.exe	netsh.exe
PID 1468 wrote to memory of 1112	1468	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\203b73e808125cc0977ccf304ce317d5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\203b73e808125cc0977ccf304ce317d5_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2952

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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1468

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
PID:1112

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
305KB

MD5
203b73e808125cc0977ccf304ce317d5

SHA1
35505f4fc885c4bda0562a0d63eacb5cc671e221

SHA256
571717302e5484af69e655f8a7c30bff4e5b75aa3040301dca16a08754f0ae6c

SHA512
8f2db3f75c261036b199be759adfa4f9672eb33a0a8b81bff15acc6025477361b2f84691a2083556f8a99931ac5866163ea51b34b672f5bed80d2ac40a5393be

Download Submit
memory/1468-24-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/1468-23-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/1468-22-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/2952-3-0x0000000005260000-0x0000000005804000-memory.dmp

Filesize
5.6MB

Download
memory/2952-5-0x0000000004BE0000-0x0000000004BEA000-memory.dmp

Filesize
40KB

Download
memory/2952-7-0x0000000004EB0000-0x0000000004F06000-memory.dmp

Filesize
344KB

Download
memory/2952-6-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/2952-8-0x0000000005010000-0x000000000501C000-memory.dmp

Filesize
48KB

Download
memory/2952-4-0x0000000004CB0000-0x0000000004D42000-memory.dmp

Filesize
584KB

Download
memory/2952-0-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/2952-21-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/2952-2-0x0000000004C10000-0x0000000004CAC000-memory.dmp

Filesize
624KB

Download
memory/2952-1-0x00000000001E0000-0x0000000000232000-memory.dmp

Filesize
328KB

Download