njrat | 697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78

General

Target

697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe
Size

1.2MB
MD5

a8b5a5b943f9de10236f7a8d28a1d30a
SHA1

062b3809c2d62510d6e88efe831db545d2eac0ef
SHA256

697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78
SHA512

1d1e9056e380346b1ecf93a0fd7dc70d45642f2491633061236b46e163cbb08d8b0576ef93b0fa4398d2cc43a68c426741ac5909420dc66118c5e0cc3b46c2c5
SSDEEP

24576:eAHnh+eWsN3skA4RV1Hom2KXMmHaW7aWvCaFg5a7PCmWX95Z:Jh+ZkldoPK8YaW7CaZ7IHZ

Score

10^/10

njrat redlanhopto discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

redlanhopto

C2

redlan.hopto.org:5553

Mutex

d25d360449d7bab3069e1b77b3a914a3

Attributes

reg_key
d25d360449d7bab3069e1b77b3a914a3
splitter
|'|'|

Signatures

Njrat family
njrat
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
4464	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe

Executes dropped EXE 1 IoCs

pid	Process
2316	data.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000b000000023b98-14.dat	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5096 set thread context of 1732	5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe	91
PID 2316 set thread context of 1232	2316	data.exe	97

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 3 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

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1012	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe
5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe
5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe
5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe
2316	data.exe
2316	data.exe
2316	data.exe
2316	data.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	1732	RegAsm.exe
Token: 33	1732	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1732	RegAsm.exe
Token: 33	1732	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1732	RegAsm.exe
Token: 33	1732	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1732	RegAsm.exe
Token: 33	1732	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1732	RegAsm.exe
Token: 33	1732	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1732	RegAsm.exe
Token: 33	1732	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1732	RegAsm.exe
Token: 33	1732	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1732	RegAsm.exe
Token: 33	1732	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1732	RegAsm.exe
Token: 33	1732	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1732	RegAsm.exe
Token: 33	1732	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1732	RegAsm.exe
Token: 33	1732	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1732	RegAsm.exe
Token: 33	1732	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1732	RegAsm.exe
Token: 33	1732	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1732	RegAsm.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe
5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe
5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe
2316	data.exe
2316	data.exe
2316	data.exe

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe
5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe
5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe
2316	data.exe
2316	data.exe
2316	data.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 5096 wrote to memory of 1732	5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe	91
PID 5096 wrote to memory of 1732	5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe	91
PID 5096 wrote to memory of 1732	5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe	91
PID 5096 wrote to memory of 1732	5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe	91
PID 5096 wrote to memory of 1732	5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe	91
PID 1732 wrote to memory of 4464	1732	RegAsm.exe	92
PID 1732 wrote to memory of 4464	1732	RegAsm.exe	92
PID 1732 wrote to memory of 4464	1732	RegAsm.exe	92
PID 5096 wrote to memory of 1012	5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe	94
PID 5096 wrote to memory of 1012	5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe	94
PID 5096 wrote to memory of 1012	5096	697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe	94
PID 2316 wrote to memory of 1232	2316	data.exe	97
PID 2316 wrote to memory of 1232	2316	data.exe	97
PID 2316 wrote to memory of 1232	2316	data.exe	97
PID 2316 wrote to memory of 1232	2316	data.exe	97
PID 2316 wrote to memory of 1232	2316	data.exe	97

C:\Users\Admin\AppData\Local\Temp\697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe
"C:\Users\Admin\AppData\Local\Temp\697ef72df90e101e9752f547065245b75e6224724744a7dff3d2707f293eda78.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5096
- 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
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "RegAsm.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4464
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn igfxHK /tr "C:\Users\Admin\AppData\Roaming\chkdsk\data.exe" /sc minute /mo 1 /F
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1012

C:\Users\Admin\AppData\Roaming\chkdsk\data.exe
C:\Users\Admin\AppData\Roaming\chkdsk\data.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2316
- 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
  PID:1232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\chkdsk\data.exe

Filesize
1.2MB

MD5
f1ca459e27b6b053d0eabe30b644507b

SHA1
5cf5a325b6fdf3b94acd5b240cb0dd9810917a2a

SHA256
73aed6714680722c9f5f66c4b5a83342ced911a48631b649c34253f2b91d2fe4

SHA512
1149eab9b7dbc6980cc539a7d498d5cb9b3de603f5bb433da3f39193cd0a227a86257e54e2a2e202c41b108904d3c6cab4ff115169654d2edc3338728f801df6

Download Submit
memory/1232-16-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1732-1-0x00000000003B0000-0x00000000003BC000-memory.dmp

Filesize
48KB

Download
memory/1732-6-0x0000000073FF2000-0x0000000073FF3000-memory.dmp

Filesize
4KB

Download
memory/1732-7-0x0000000073FF0000-0x00000000745A1000-memory.dmp

Filesize
5.7MB

Download
memory/1732-8-0x0000000073FF0000-0x00000000745A1000-memory.dmp

Filesize
5.7MB

Download
memory/1732-9-0x0000000073FF2000-0x0000000073FF3000-memory.dmp

Filesize
4KB

Download
memory/1732-10-0x0000000073FF0000-0x00000000745A1000-memory.dmp

Filesize
5.7MB

Download
memory/1732-11-0x0000000073FF0000-0x00000000745A1000-memory.dmp

Filesize
5.7MB

Download
memory/5096-0-0x0000000003790000-0x0000000003791000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads