njrat | 5e737f13bd75610db1e7acc2a2a0c5c09a9c67cea96b04e66c80dc23b58c6d7c

Analysis

max time kernel
144s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
09/05/2024, 02:48

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
d4907b85a6ccb128ee4bfcb1cef4b710_NEIKI.exe
Size 289KB
Sample240509-dat68shc25
SHA256 5e737f13bd75610db1e7acc2a2a0c5c09a9c67cea96b04e66c80dc23b58c6d7c
MD5 d4907b85a6ccb128ee4bfcb1cef4b710
SHA1 d126c04398f4ee75b9becbcc5d212bf4794dc738
SHA512 145a2e2465220f98f64fe5dc4281ec85e7fad63d02e8bcedbbcd7d969dd811c5487409814dda46df448155cea5c1d27fd062c4020ceca0556080691876d12944
SSDEEP 3072:UxtJ4JN17yFtOKrhzzQ4WCIzTyWgkWcqK02CtaXJpQRFN+vf1db/uLoY46HGST8g:UIE5rNPIzTyJkXql7uJCbohCXnLOg
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat evasion persistence 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

pid	Process
5320	netsh.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
3636	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\def9b6cd3f2b0c43097dfbc918862b82 = "C:\\Users\\Admin\\AppData\\Roaming\\server.exe"	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\def9b6cd3f2b0c43097dfbc918862b82 = "C:\\Users\\Admin\\AppData\\Roaming\\server.exe"	server.exe

Suspicious use of AdjustPrivilegeToken 30 IoCs

description	pid	Process
Token: SeCreateTokenPrivilege	3636	server.exe
Token: SeAssignPrimaryTokenPrivilege	3636	server.exe
Token: SeLockMemoryPrivilege	3636	server.exe
Token: SeIncreaseQuotaPrivilege	3636	server.exe
Token: 0	3636	server.exe
Token: SeMachineAccountPrivilege	3636	server.exe
Token: SeTcbPrivilege	3636	server.exe
Token: SeSecurityPrivilege	3636	server.exe
Token: SeTakeOwnershipPrivilege	3636	server.exe
Token: SeLoadDriverPrivilege	3636	server.exe
Token: SeSystemProfilePrivilege	3636	server.exe
Token: SeSystemtimePrivilege	3636	server.exe
Token: SeProfSingleProcessPrivilege	3636	server.exe
Token: SeIncBasePriorityPrivilege	3636	server.exe
Token: SeCreatePagefilePrivilege	3636	server.exe
Token: SeCreatePermanentPrivilege	3636	server.exe
Token: SeBackupPrivilege	3636	server.exe
Token: SeRestorePrivilege	3636	server.exe
Token: SeShutdownPrivilege	3636	server.exe
Token: SeDebugPrivilege	3636	server.exe
Token: SeAuditPrivilege	3636	server.exe
Token: SeSystemEnvironmentPrivilege	3636	server.exe
Token: SeChangeNotifyPrivilege	3636	server.exe
Token: SeRemoteShutdownPrivilege	3636	server.exe
Token: SeUndockPrivilege	3636	server.exe
Token: SeSyncAgentPrivilege	3636	server.exe
Token: SeEnableDelegationPrivilege	3636	server.exe
Token: SeManageVolumePrivilege	3636	server.exe
Token: SeImpersonatePrivilege	3636	server.exe
Token: SeCreateGlobalPrivilege	3636	server.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3636	server.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 3636	4884	d4907b85a6ccb128ee4bfcb1cef4b710_NEIKI.exe	83
PID 4884 wrote to memory of 3636	4884	d4907b85a6ccb128ee4bfcb1cef4b710_NEIKI.exe	83
PID 3636 wrote to memory of 5320	3636	server.exe	85
PID 3636 wrote to memory of 5320	3636	server.exe	85

C:\Users\Admin\AppData\Local\Temp\d4907b85a6ccb128ee4bfcb1cef4b710_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\d4907b85a6ccb128ee4bfcb1cef4b710_NEIKI.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4884
- C:\Users\Admin\AppData\Roaming\server.exe
  C:\Users\Admin\AppData\Roaming\server.exe
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3636
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram C:\Users\Admin\AppData\Roaming\server.exe "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:5320

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

server.exe

Path C:\Users\Admin\AppData\Roaming\server.exe
Size 289KB
SHA256 5e737f13bd75610db1e7acc2a2a0c5c09a9c67cea96b04e66c80dc23b58c6d7c
MD5 d4907b85a6ccb128ee4bfcb1cef4b710
SHA1 d126c04398f4ee75b9becbcc5d212bf4794dc738
SHA512 145a2e2465220f98f64fe5dc4281ec85e7fad63d02e8bcedbbcd7d969dd811c5487409814dda46df448155cea5c1d27fd062c4020ceca0556080691876d12944
SSDEEP 3072:UxtJ4JN17yFtOKrhzzQ4WCIzTyWgkWcqK02CtaXJpQRFN+vf1db/uLoY46HGST8g:UIE5rNPIzTyJkXql7uJCbohCXnLOg
MD5 SHA1 SHA512 SSDEEP

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads