njrat | ba566affa8b7376c3d7f1d3b068d500b69318156514ee3f1600c13b2fd045b32

General

Target

ba566affa8b7376c3d7f1d3b068d500b69318156514ee3f1600c13b2fd045b32.exe
Size

28KB
MD5

0d65a85800fdefbfaa263ee682d9db40
SHA1

3350a5f508de154e6e62e882b9ef9711479456db
SHA256

ba566affa8b7376c3d7f1d3b068d500b69318156514ee3f1600c13b2fd045b32
SHA512

007ad07f0005781d488a4a6c24192c580bd8a5c39d1fe5eabe6dc83f5946b091f648090406325194d7e33119dba08163e58f3ac4d0288f395c2cbbdbd4d1a6d5
SSDEEP

384:N+oKgsXN/EhzOiIUy1iKsysOEg/lhzLZqdwk5GOi0LE2rdQbilMxwzESJ6nJUC:UxX1IIUy1jsA/PB8ve0L5SbRS

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1508	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
856	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe

Loads dropped DLL 1 IoCs

pid	Process
968	ba566affa8b7376c3d7f1d3b068d500b69318156514ee3f1600c13b2fd045b32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1508	Trojan.exe
1508	Trojan.exe
1508	Trojan.exe
1508	Trojan.exe
1508	Trojan.exe
1508	Trojan.exe
1508	Trojan.exe
1508	Trojan.exe
1508	Trojan.exe
1508	Trojan.exe
1508	Trojan.exe
1508	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1508	Trojan.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 968 wrote to memory of 1508	968	ba566affa8b7376c3d7f1d3b068d500b69318156514ee3f1600c13b2fd045b32.exe	28
PID 968 wrote to memory of 1508	968	ba566affa8b7376c3d7f1d3b068d500b69318156514ee3f1600c13b2fd045b32.exe	28
PID 968 wrote to memory of 1508	968	ba566affa8b7376c3d7f1d3b068d500b69318156514ee3f1600c13b2fd045b32.exe	28
PID 968 wrote to memory of 1508	968	ba566affa8b7376c3d7f1d3b068d500b69318156514ee3f1600c13b2fd045b32.exe	28
PID 1508 wrote to memory of 856	1508	Trojan.exe	29
PID 1508 wrote to memory of 856	1508	Trojan.exe	29
PID 1508 wrote to memory of 856	1508	Trojan.exe	29
PID 1508 wrote to memory of 856	1508	Trojan.exe	29

C:\Users\Admin\AppData\Local\Temp\ba566affa8b7376c3d7f1d3b068d500b69318156514ee3f1600c13b2fd045b32.exe
"C:\Users\Admin\AppData\Local\Temp\ba566affa8b7376c3d7f1d3b068d500b69318156514ee3f1600c13b2fd045b32.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:968
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1508
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
28KB

MD5
0d65a85800fdefbfaa263ee682d9db40

SHA1
3350a5f508de154e6e62e882b9ef9711479456db

SHA256
ba566affa8b7376c3d7f1d3b068d500b69318156514ee3f1600c13b2fd045b32

SHA512
007ad07f0005781d488a4a6c24192c580bd8a5c39d1fe5eabe6dc83f5946b091f648090406325194d7e33119dba08163e58f3ac4d0288f395c2cbbdbd4d1a6d5

Download Submit
C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
28KB

MD5
0d65a85800fdefbfaa263ee682d9db40

SHA1
3350a5f508de154e6e62e882b9ef9711479456db

SHA256
ba566affa8b7376c3d7f1d3b068d500b69318156514ee3f1600c13b2fd045b32

SHA512
007ad07f0005781d488a4a6c24192c580bd8a5c39d1fe5eabe6dc83f5946b091f648090406325194d7e33119dba08163e58f3ac4d0288f395c2cbbdbd4d1a6d5

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

Filesize
28KB

MD5
0d65a85800fdefbfaa263ee682d9db40

SHA1
3350a5f508de154e6e62e882b9ef9711479456db

SHA256
ba566affa8b7376c3d7f1d3b068d500b69318156514ee3f1600c13b2fd045b32

SHA512
007ad07f0005781d488a4a6c24192c580bd8a5c39d1fe5eabe6dc83f5946b091f648090406325194d7e33119dba08163e58f3ac4d0288f395c2cbbdbd4d1a6d5

Download Submit
memory/968-54-0x0000000075501000-0x0000000075503000-memory.dmp

Filesize
8KB

Download
memory/968-55-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/968-56-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/968-63-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/1508-64-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/1508-66-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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