njrat | d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9

General

Target

d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe
Size

552KB
MD5

2692d319a3b52e1da132786848c288e0
SHA1

e3554b5406393a977d39eb9ec666a28687eef4f7
SHA256

d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9
SHA512

09c5782c472333eea0f00d248769da838095155725de1c8d019b6c0791e5ee7dad15dc887ebbf70fd8f7927c7d6296eb2266a0a7aabdc78a8c10e1ee537ecc95
SSDEEP

12288:R32kYn9YFZBsws0rwfQpP9p/yFUk6l6X3cWCauQWannR8fy:RGk69IS0rw4pP9p416QMaBnRCy

Score

10^/10

njrat oct discovery trojan

Malware Config

Extracted

Family

njrat

Version

0.7.3

Botnet

OCT

C2

film.royalprop.trade:8109

Mutex

update.exe

Attributes

reg_key
update.exe
splitter
0987

Signatures

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

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sftp.url	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe

AutoIT Executable 5 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2880-1-0x0000000000400000-0x0000000000569000-memory.dmp	autoit_exe
behavioral1/memory/2880-2-0x0000000000400000-0x0000000000569000-memory.dmp	autoit_exe
behavioral1/memory/2880-3-0x0000000000400000-0x0000000000569000-memory.dmp	autoit_exe
behavioral1/memory/2880-4-0x0000000000400000-0x0000000000569000-memory.dmp	autoit_exe
behavioral1/memory/2880-22-0x0000000000400000-0x0000000000569000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2880 set thread context of 2808	2880	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	RegAsm.exe
Token: 33	2808	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2808	RegAsm.exe
Token: 33	2808	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2808	RegAsm.exe
Token: 33	2808	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2808	RegAsm.exe
Token: 33	2808	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2808	RegAsm.exe
Token: 33	2808	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2808	RegAsm.exe
Token: 33	2808	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2808	RegAsm.exe
Token: 33	2808	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2808	RegAsm.exe
Token: 33	2808	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2808	RegAsm.exe
Token: 33	2808	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2808	RegAsm.exe
Token: 33	2808	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2808	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2880	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe
2880	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe
2880	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2880	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe
2880	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe
2880	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2808	2880	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe	30
PID 2880 wrote to memory of 2808	2880	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe	30
PID 2880 wrote to memory of 2808	2880	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe	30
PID 2880 wrote to memory of 2808	2880	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe	30
PID 2880 wrote to memory of 2808	2880	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe	30
PID 2880 wrote to memory of 2808	2880	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe	30
PID 2880 wrote to memory of 2808	2880	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe	30
PID 2880 wrote to memory of 2808	2880	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe	30
PID 2880 wrote to memory of 2808	2880	d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe	30

C:\Users\Admin\AppData\Local\Temp\d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe
"C:\Users\Admin\AppData\Local\Temp\d1cad2d68060b31444cb6cd04ed6233eee8bfa6e694784ce5640b0b3928ab3c9N.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2808-19-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2808-23-0x00000000749E2000-0x00000000749E4000-memory.dmp

Filesize
8KB

Download
memory/2808-24-0x00000000749E2000-0x00000000749E4000-memory.dmp

Filesize
8KB

Download
memory/2808-13-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2808-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2808-20-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2808-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2880-4-0x0000000000400000-0x0000000000569000-memory.dmp

Filesize
1.4MB

Download
memory/2880-1-0x0000000000400000-0x0000000000569000-memory.dmp

Filesize
1.4MB

Download
memory/2880-0-0x0000000000400000-0x0000000000569000-memory.dmp

Filesize
1.4MB

Download
memory/2880-22-0x0000000000400000-0x0000000000569000-memory.dmp

Filesize
1.4MB

Download
memory/2880-10-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2880-3-0x0000000000400000-0x0000000000569000-memory.dmp

Filesize
1.4MB

Download
memory/2880-2-0x0000000000400000-0x0000000000569000-memory.dmp

Filesize
1.4MB

Download

Analysis

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