njrat | 2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1

Analysis

max time kernel
114s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-11-2024 17:05

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General

Target

2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
Size

531KB
MD5

5672033192553965f397e00cc5ed2b90
SHA1

4238c1c5240ad9332e58c4bca9305cb3ae57c9eb
SHA256

2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1
SHA512

ef743cbf8060a11748a430b618165ab7885b4d3ff6aca51b50d59ac3ab3a2ec2cc9ad11befd217c76c3124e1d89320e215acc1a42fbc0b838840638b982a284e
SSDEEP

12288:quhrOarWLTR2viEmOG6LZgE5T/j85ZGyOcqz5:qx2HzG6lTb8WyOck5

Score

10^/10

njrat beka discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

BEKA

ronymahmoud.casacam.net:1177

Mutex

32bad0fc686dd5769ff8860131056010

Attributes

reg_key
32bad0fc686dd5769ff8860131056010
splitter
|'|'|

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3688	powershell.exe
2152	powershell.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4924	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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1048 set thread context of 4264	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	109

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.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
1136	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
2152	powershell.exe
3688	powershell.exe
1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
2152	powershell.exe
3688	powershell.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeDebugPrivilege	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
Token: SeDebugPrivilege	2152	powershell.exe
Token: SeDebugPrivilege	3688	powershell.exe
Token: SeDebugPrivilege	4264	RegSvcs.exe
Token: 33	4264	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	4264	RegSvcs.exe
Token: 33	4264	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	4264	RegSvcs.exe
Token: 33	4264	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	4264	RegSvcs.exe
Token: 33	4264	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	4264	RegSvcs.exe
Token: 33	4264	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	4264	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2152	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	103
PID 1048 wrote to memory of 2152	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	103
PID 1048 wrote to memory of 2152	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	103
PID 1048 wrote to memory of 3688	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	105
PID 1048 wrote to memory of 3688	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	105
PID 1048 wrote to memory of 3688	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	105
PID 1048 wrote to memory of 1136	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	107
PID 1048 wrote to memory of 1136	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	107
PID 1048 wrote to memory of 1136	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	107
PID 1048 wrote to memory of 4264	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	109
PID 1048 wrote to memory of 4264	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	109
PID 1048 wrote to memory of 4264	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	109
PID 1048 wrote to memory of 4264	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	109
PID 1048 wrote to memory of 4264	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	109
PID 1048 wrote to memory of 4264	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	109
PID 1048 wrote to memory of 4264	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	109
PID 1048 wrote to memory of 4264	1048	2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe	109
PID 4264 wrote to memory of 4924	4264	RegSvcs.exe	110
PID 4264 wrote to memory of 4924	4264	RegSvcs.exe	110
PID 4264 wrote to memory of 4924	4264	RegSvcs.exe	110

C:\Users\Admin\AppData\Local\Temp\2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe
"C:\Users\Admin\AppData\Local\Temp\2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2152
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zavsSrNScEv.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3688
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zavsSrNScEv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp968E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1136
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4264
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe" "RegSvcs.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xo10izui.had.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp968E.tmp

Filesize
1KB

MD5
8b701bb09d0769a0cf8bd3efdea72c7e

SHA1
6322570384bc84d17e8f9ee912fe7398b1c0888c

SHA256
e1e0ac8d92224aa8b09236b421f2135bdc44ccbbe99cf0f5f9f62c3876a9c128

SHA512
ac27299c37e5c015ef90cff02f8eda3c27a1428de734bffde33d6d3961a7554f1611010022fd82b54918b74de6d3b70b21000a70b6604b1b3861f03b685352ea

Download Submit
memory/1048-4-0x00000000059E0000-0x00000000059EA000-memory.dmp

Filesize
40KB

Download
memory/1048-3-0x0000000005A30000-0x0000000005AC2000-memory.dmp

Filesize
584KB

Download
memory/1048-5-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1048-6-0x0000000005C70000-0x0000000005C80000-memory.dmp

Filesize
64KB

Download
memory/1048-7-0x0000000007290000-0x00000000075E4000-memory.dmp

Filesize
3.3MB

Download
memory/1048-8-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/1048-9-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1048-10-0x0000000007700000-0x000000000774E000-memory.dmp

Filesize
312KB

Download
memory/1048-11-0x0000000007600000-0x000000000769C000-memory.dmp

Filesize
624KB

Download
memory/1048-2-0x0000000005FE0000-0x0000000006584000-memory.dmp

Filesize
5.6MB

Download
memory/1048-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/1048-49-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1048-1-0x0000000000F70000-0x0000000000FFA000-memory.dmp

Filesize
552KB

Download
memory/2152-62-0x0000000006FA0000-0x0000000006FBE000-memory.dmp

Filesize
120KB

Download
memory/2152-46-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2152-22-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2152-21-0x0000000005270000-0x00000000052D6000-memory.dmp

Filesize
408KB

Download
memory/2152-19-0x0000000005030000-0x0000000005052000-memory.dmp

Filesize
136KB

Download
memory/2152-88-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2152-16-0x0000000002700000-0x0000000002736000-memory.dmp

Filesize
216KB

Download
memory/2152-80-0x0000000007550000-0x0000000007564000-memory.dmp

Filesize
80KB

Download
memory/2152-79-0x0000000007540000-0x000000000754E000-memory.dmp

Filesize
56KB

Download
memory/2152-74-0x0000000007960000-0x0000000007FDA000-memory.dmp

Filesize
6.5MB

Download
memory/2152-50-0x0000000006340000-0x000000000638C000-memory.dmp

Filesize
304KB

Download
memory/2152-17-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2152-48-0x0000000005FD0000-0x0000000005FEE000-memory.dmp

Filesize
120KB

Download
memory/2152-52-0x0000000070100000-0x000000007014C000-memory.dmp

Filesize
304KB

Download
memory/2152-51-0x0000000006590000-0x00000000065C2000-memory.dmp

Filesize
200KB

Download
memory/2152-20-0x00000000050D0000-0x0000000005136000-memory.dmp

Filesize
408KB

Download
memory/2152-73-0x0000000006FC0000-0x0000000007063000-memory.dmp

Filesize
652KB

Download
memory/2152-76-0x0000000007390000-0x000000000739A000-memory.dmp

Filesize
40KB

Download
memory/2152-75-0x0000000007310000-0x000000000732A000-memory.dmp

Filesize
104KB

Download
memory/3688-78-0x0000000007CD0000-0x0000000007CE1000-memory.dmp

Filesize
68KB

Download
memory/3688-18-0x0000000005900000-0x0000000005F28000-memory.dmp

Filesize
6.2MB

Download
memory/3688-77-0x0000000007D50000-0x0000000007DE6000-memory.dmp

Filesize
600KB

Download
memory/3688-63-0x0000000070100000-0x000000007014C000-memory.dmp

Filesize
304KB

Download
memory/3688-35-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-81-0x0000000007E10000-0x0000000007E2A000-memory.dmp

Filesize
104KB

Download
memory/3688-82-0x0000000007DF0000-0x0000000007DF8000-memory.dmp

Filesize
32KB

Download
memory/3688-34-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-29-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-87-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/4264-45-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download