njrat | 3a769894ceb07a4c0e334562acc0d1c3e1523afee2b74bb8f0e794099889b379

General

Target

Payload.exe
Size

55KB
MD5

843cc097164266c5c152f19a41fc5be9
SHA1

21cda33595dff7a078f2a9c57ddeebc798cb18a3
SHA256

3a769894ceb07a4c0e334562acc0d1c3e1523afee2b74bb8f0e794099889b379
SHA512

0130baf712d324b65fd60ca83a6e9931ff13c1a520cc40e77ac7222da3939cd258e314a06f8294a85c6f9c693ed79231649752bf1abf8d1e5db14e39632ed915
SSDEEP

1536:BWoADn8fLNG/SbrKDD3wsNMDbXExI3pm4Nm:zADncsqbeDD3wsNMDbXExI3pm

Score

10^/10

njrat discovery trojan

Malware Config

Signatures

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

Deletes itself 1 IoCs

pid	Process
1224	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payload.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1224	cmd.exe
1892	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1892	PING.EXE

Suspicious use of AdjustPrivilegeToken 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	Payload.exe
Token: 33	2764	Payload.exe
Token: SeIncBasePriorityPrivilege	2764	Payload.exe
Token: 33	2764	Payload.exe
Token: SeIncBasePriorityPrivilege	2764	Payload.exe
Token: 33	2764	Payload.exe
Token: SeIncBasePriorityPrivilege	2764	Payload.exe
Token: 33	2764	Payload.exe
Token: SeIncBasePriorityPrivilege	2764	Payload.exe
Token: 33	2764	Payload.exe
Token: SeIncBasePriorityPrivilege	2764	Payload.exe
Token: 33	2764	Payload.exe
Token: SeIncBasePriorityPrivilege	2764	Payload.exe
Token: 33	2764	Payload.exe
Token: SeIncBasePriorityPrivilege	2764	Payload.exe
Token: 33	2764	Payload.exe
Token: SeIncBasePriorityPrivilege	2764	Payload.exe
Token: 33	2764	Payload.exe
Token: SeIncBasePriorityPrivilege	2764	Payload.exe
Token: 33	2764	Payload.exe
Token: SeIncBasePriorityPrivilege	2764	Payload.exe
Token: 33	2764	Payload.exe
Token: SeIncBasePriorityPrivilege	2764	Payload.exe
Token: 33	2764	Payload.exe
Token: SeIncBasePriorityPrivilege	2764	Payload.exe
Token: 33	2764	Payload.exe
Token: SeIncBasePriorityPrivilege	2764	Payload.exe
Token: 33	2764	Payload.exe
Token: SeIncBasePriorityPrivilege	2764	Payload.exe
Token: 33	2764	Payload.exe
Token: SeIncBasePriorityPrivilege	2764	Payload.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 1728	2764	Payload.exe	32
PID 2764 wrote to memory of 1728	2764	Payload.exe	32
PID 2764 wrote to memory of 1728	2764	Payload.exe	32
PID 2764 wrote to memory of 1728	2764	Payload.exe	32
PID 2764 wrote to memory of 1224	2764	Payload.exe	34
PID 2764 wrote to memory of 1224	2764	Payload.exe	34
PID 2764 wrote to memory of 1224	2764	Payload.exe	34
PID 2764 wrote to memory of 1224	2764	Payload.exe	34
PID 1224 wrote to memory of 1892	1224	cmd.exe	36
PID 1224 wrote to memory of 1892	1224	cmd.exe	36
PID 1224 wrote to memory of 1892	1224	cmd.exe	36
PID 1224 wrote to memory of 1892	1224	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\Payload.exe
"C:\Users\Admin\AppData\Local\Temp\Payload.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2764
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /delete /tn CleanSweepCheck /f
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1728
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 0 -n 2 & del "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1224
- - C:\Windows\SysWOW64\PING.EXE
    ping 0 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2764-0-0x0000000074C81000-0x0000000074C82000-memory.dmp

Filesize
4KB

Download
memory/2764-1-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-2-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-3-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-4-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-5-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-6-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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