njrat | 3fd3a75f444058929ae6292627c81640362dabe2df7d25a76c81946a226de220

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 07:32

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General

Target

3fd3a75f444058929ae6292627c81640362dabe2df7d25a76c81946a226de220_NeikiAnalytics.exe
Size

23KB
MD5

a72661611c2c32ae2225c1618fb7c3d0
SHA1

c717b184fff0a32a900e34d8ce442ba1ba4ff926
SHA256

3fd3a75f444058929ae6292627c81640362dabe2df7d25a76c81946a226de220
SHA512

ebb3a192eea38c6169b7bc6eb23269303d31dc0323e492f118ce92b0bbd0832c7860ad5473d2a6560e73431e578ed37f5a1da4490053bce10a3d16cb42e77993
SSDEEP

384:kwTSiYWD2Z7w3CsJeiecwJ3fw6FgzeAh33RtmRvR6JZlbw8hqIusZzZFvA:rvZiBK1edJRpcnuqI

Score

10^/10

njrat evasion persistence privilege_escalation trojan

Malware Config

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

1252 netsh.exe

pid	process
1252	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:

3fd3a75f444058929ae6292627c81640362dabe2df7d25a76c81946a226de220_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation	3fd3a75f444058929ae6292627c81640362dabe2df7d25a76c81946a226de220_NeikiAnalytics.exe

Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

5032 server.exe

pid	process
5032	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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\93a9e7c038454dbd9f3d62e55ea7bceb = "\"C:\\Users\\Admin\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\93a9e7c038454dbd9f3d62e55ea7bceb = "\"C:\\Users\\Admin\\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	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe
Token: 33	5032	server.exe
Token: SeIncBasePriorityPrivilege	5032	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3fd3a75f444058929ae6292627c81640362dabe2df7d25a76c81946a226de220_NeikiAnalytics.exeserver.exe

description	pid	process	target process
PID 4796 wrote to memory of 5032	4796	3fd3a75f444058929ae6292627c81640362dabe2df7d25a76c81946a226de220_NeikiAnalytics.exe	server.exe
PID 4796 wrote to memory of 5032	4796	3fd3a75f444058929ae6292627c81640362dabe2df7d25a76c81946a226de220_NeikiAnalytics.exe	server.exe
PID 4796 wrote to memory of 5032	4796	3fd3a75f444058929ae6292627c81640362dabe2df7d25a76c81946a226de220_NeikiAnalytics.exe	server.exe
PID 5032 wrote to memory of 1252	5032	server.exe	netsh.exe
PID 5032 wrote to memory of 1252	5032	server.exe	netsh.exe
PID 5032 wrote to memory of 1252	5032	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\3fd3a75f444058929ae6292627c81640362dabe2df7d25a76c81946a226de220_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\3fd3a75f444058929ae6292627c81640362dabe2df7d25a76c81946a226de220_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4796

C:\Users\Admin\server.exe
"C:\Users\Admin\server.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5032

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:1252

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

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Downloads

C:\Users\Admin\server.exe
Filesize
23KB

MD5
a72661611c2c32ae2225c1618fb7c3d0

SHA1
c717b184fff0a32a900e34d8ce442ba1ba4ff926

SHA256
3fd3a75f444058929ae6292627c81640362dabe2df7d25a76c81946a226de220

SHA512
ebb3a192eea38c6169b7bc6eb23269303d31dc0323e492f118ce92b0bbd0832c7860ad5473d2a6560e73431e578ed37f5a1da4490053bce10a3d16cb42e77993

Download Submit
memory/4796-0-0x0000000074C12000-0x0000000074C13000-memory.dmp

Filesize
4KB

Download
memory/4796-1-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/4796-2-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/4796-21-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/5032-23-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/5032-22-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/5032-24-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download