njrat | 92daebf4afdf05aa2b7e92ec7d81c44803d255fc9bd6bbda8f9ed4af271b45da

General

Target

Server.exe
Size

37KB
MD5

704ed08f02343f35ff669d8ec651d4c1
SHA1

44b3f95cd69649435f129d9bcd0363a402d1534a
SHA256

92daebf4afdf05aa2b7e92ec7d81c44803d255fc9bd6bbda8f9ed4af271b45da
SHA512

022f1ffe197e038c46b2ce46e59106bd910d5eb85fc6a08d999dda14ed5be7eb1c168b7a0e4158ab23368d97c43fd1b44034e543c5c0e68b3ba6fbae860c2cb9
SSDEEP

384:ZLm2KMizd9jnBhFbJ8ycPVnvvnwaUBTrAF+rMRTyN/0L+EcoinblneHQM3epzXF0:Q2g9lLJfcPVn3VU9rM+rMRa8Nu7ct

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

5.tcp.eu.ngrok.io:10587

Mutex

f1a130bd88e2893ab9bf8c985154ecb1

Attributes

reg_key
f1a130bd88e2893ab9bf8c985154ecb1
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 2 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2816	netsh.exe
2096	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2928	njrat_test.exe

Loads dropped DLL 1 IoCs

pid	Process
2868	Server.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs

Web Service

T1102

flow	ioc
2	5.tcp.eu.ngrok.io

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 6 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

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
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

System Location Discovery: System Language Discovery 1 TTPs 6 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	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	njrat_test.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.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
2532	cmd.exe
2716	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2716	PING.EXE

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2928	njrat_test.exe
Token: 33	2928	njrat_test.exe
Token: SeIncBasePriorityPrivilege	2928	njrat_test.exe
Token: 33	2928	njrat_test.exe
Token: SeIncBasePriorityPrivilege	2928	njrat_test.exe
Token: 33	2928	njrat_test.exe
Token: SeIncBasePriorityPrivilege	2928	njrat_test.exe
Token: 33	2928	njrat_test.exe
Token: SeIncBasePriorityPrivilege	2928	njrat_test.exe
Token: 33	2928	njrat_test.exe
Token: SeIncBasePriorityPrivilege	2928	njrat_test.exe
Token: 33	2928	njrat_test.exe
Token: SeIncBasePriorityPrivilege	2928	njrat_test.exe
Token: 33	2928	njrat_test.exe
Token: SeIncBasePriorityPrivilege	2928	njrat_test.exe
Token: 33	2928	njrat_test.exe
Token: SeIncBasePriorityPrivilege	2928	njrat_test.exe
Token: 33	2928	njrat_test.exe
Token: SeIncBasePriorityPrivilege	2928	njrat_test.exe
Token: 33	2928	njrat_test.exe
Token: SeIncBasePriorityPrivilege	2928	njrat_test.exe
Token: 33	2928	njrat_test.exe
Token: SeIncBasePriorityPrivilege	2928	njrat_test.exe
Token: 33	2928	njrat_test.exe
Token: SeIncBasePriorityPrivilege	2928	njrat_test.exe
Token: 33	2928	njrat_test.exe
Token: SeIncBasePriorityPrivilege	2928	njrat_test.exe
Token: 33	2928	njrat_test.exe
Token: SeIncBasePriorityPrivilege	2928	njrat_test.exe
Token: 33	2928	njrat_test.exe
Token: SeIncBasePriorityPrivilege	2928	njrat_test.exe
Token: 33	2928	njrat_test.exe
Token: SeIncBasePriorityPrivilege	2928	njrat_test.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 2928	2868	Server.exe	30
PID 2868 wrote to memory of 2928	2868	Server.exe	30
PID 2868 wrote to memory of 2928	2868	Server.exe	30
PID 2868 wrote to memory of 2928	2868	Server.exe	30
PID 2928 wrote to memory of 2816	2928	njrat_test.exe	31
PID 2928 wrote to memory of 2816	2928	njrat_test.exe	31
PID 2928 wrote to memory of 2816	2928	njrat_test.exe	31
PID 2928 wrote to memory of 2816	2928	njrat_test.exe	31
PID 2928 wrote to memory of 2096	2928	njrat_test.exe	35
PID 2928 wrote to memory of 2096	2928	njrat_test.exe	35
PID 2928 wrote to memory of 2096	2928	njrat_test.exe	35
PID 2928 wrote to memory of 2096	2928	njrat_test.exe	35
PID 2928 wrote to memory of 2532	2928	njrat_test.exe	36
PID 2928 wrote to memory of 2532	2928	njrat_test.exe	36
PID 2928 wrote to memory of 2532	2928	njrat_test.exe	36
PID 2928 wrote to memory of 2532	2928	njrat_test.exe	36
PID 2532 wrote to memory of 2716	2532	cmd.exe	39
PID 2532 wrote to memory of 2716	2532	cmd.exe	39
PID 2532 wrote to memory of 2716	2532	cmd.exe	39
PID 2532 wrote to memory of 2716	2532	cmd.exe	39

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Users\Admin\AppData\Local\Temp\njrat_test.exe
  "C:\Users\Admin\AppData\Local\Temp\njrat_test.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2928
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\njrat_test.exe" "njrat_test.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2816
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\njrat_test.exe"
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2096
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /k ping 0 & del "C:\Users\Admin\AppData\Local\Temp\njrat_test.exe" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2532
  - - C:\Windows\SysWOW64\PING.EXE
      ping 0
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

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

Web Service

1

T1102

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\njrat_test.exe

Filesize
37KB

MD5
704ed08f02343f35ff669d8ec651d4c1

SHA1
44b3f95cd69649435f129d9bcd0363a402d1534a

SHA256
92daebf4afdf05aa2b7e92ec7d81c44803d255fc9bd6bbda8f9ed4af271b45da

SHA512
022f1ffe197e038c46b2ce46e59106bd910d5eb85fc6a08d999dda14ed5be7eb1c168b7a0e4158ab23368d97c43fd1b44034e543c5c0e68b3ba6fbae860c2cb9

Download Submit
memory/2868-0-0x0000000074E01000-0x0000000074E02000-memory.dmp

Filesize
4KB

Download
memory/2868-1-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download
memory/2868-2-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download
memory/2868-11-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download
memory/2928-12-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download
memory/2928-10-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download
memory/2928-13-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download
memory/2928-14-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download
memory/2928-15-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads