njrat | de07b53ebefb0b2f51f956664de486a9a078a6997c0508e6b9eb41d7c4c265f1

Analysis

max time kernel
145s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-11-2024 16:46

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General

Target

2A26D4514305FCB4BC2AF3DEB844B68D.exe
Size

538KB
MD5

2a26d4514305fcb4bc2af3deb844b68d
SHA1

68880c892211548fb691876960683fa90a4173de
SHA256

de07b53ebefb0b2f51f956664de486a9a078a6997c0508e6b9eb41d7c4c265f1
SHA512

8430b12fa09d691e60ebf51168e95fcd16ec750e43e293b5bf45569ceac3e665e1354e0aeb8742e59769bd9a1ca494f2f9ef83d3224d9e54d3b9ca3fb3a2eb0f
SSDEEP

12288:thrO5q5qRbfdltGbr6IaRP+Tu+zLC54MV9:QqgRbdyxaRPWzLCe89

Score

10^/10

njrat nyan cat discovery execution trojan

Malware Config

Extracted

Family

njrat

Version

0.7NC

Botnet

NYAN CAT

ronymahmoud.casacam.net:5050

Mutex

8f1e01fb78d64f28

Attributes

reg_key
8f1e01fb78d64f28
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
3524	powershell.exe
3420	powershell.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2A26D4514305FCB4BC2AF3DEB844B68D.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1492 set thread context of 3460	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	109

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2A26D4514305FCB4BC2AF3DEB844B68D.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
4828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
3420	powershell.exe
1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
3420	powershell.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe
Token: SeDebugPrivilege	3420	powershell.exe
Token: SeDebugPrivilege	3460	RegSvcs.exe
Token: 33	3460	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	3460	RegSvcs.exe
Token: 33	3460	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	3460	RegSvcs.exe
Token: 33	3460	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	3460	RegSvcs.exe
Token: 33	3460	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	3460	RegSvcs.exe
Token: 33	3460	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	3460	RegSvcs.exe
Token: 33	3460	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	3460	RegSvcs.exe
Token: 33	3460	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	3460	RegSvcs.exe
Token: 33	3460	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	3460	RegSvcs.exe
Token: 33	3460	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	3460	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 3524	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	103
PID 1492 wrote to memory of 3524	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	103
PID 1492 wrote to memory of 3524	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	103
PID 1492 wrote to memory of 3420	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	105
PID 1492 wrote to memory of 3420	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	105
PID 1492 wrote to memory of 3420	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	105
PID 1492 wrote to memory of 4828	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	107
PID 1492 wrote to memory of 4828	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	107
PID 1492 wrote to memory of 4828	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	107
PID 1492 wrote to memory of 3460	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	109
PID 1492 wrote to memory of 3460	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	109
PID 1492 wrote to memory of 3460	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	109
PID 1492 wrote to memory of 3460	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	109
PID 1492 wrote to memory of 3460	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	109
PID 1492 wrote to memory of 3460	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	109
PID 1492 wrote to memory of 3460	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	109
PID 1492 wrote to memory of 3460	1492	2A26D4514305FCB4BC2AF3DEB844B68D.exe	109

C:\Users\Admin\AppData\Local\Temp\2A26D4514305FCB4BC2AF3DEB844B68D.exe
"C:\Users\Admin\AppData\Local\Temp\2A26D4514305FCB4BC2AF3DEB844B68D.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:1492
- 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\2A26D4514305FCB4BC2AF3DEB844B68D.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  PID:3524
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oJFNpRAYB.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3420
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oJFNpRAYB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC00F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4828
- 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
  PID:3460

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rrzwps00.zhk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC00F.tmp

Filesize
1KB

MD5
151cf1e64abe975c4610ac3e8c31e9e0

SHA1
aec3397d31ff0eef5bbb61fe0f2b92317a54e65f

SHA256
4df98cb77e41f950cd72046871fddb53a177925a26c7550f4313dd800b54045e

SHA512
c7a85dc4dc68eeab4dfd953c991c839d8ea756bc9ba1e328f984e9d739f1261e5d57b8eb50428da97d2597ea669b730ff9be4f07b7b8444c4a7d26d5be8bcef6

Download Submit
memory/1492-10-0x0000000006670000-0x00000000066C0000-memory.dmp

Filesize
320KB

Download
memory/1492-2-0x0000000004FF0000-0x0000000005594000-memory.dmp

Filesize
5.6MB

Download
memory/1492-4-0x00000000049F0000-0x00000000049FA000-memory.dmp

Filesize
40KB

Download
memory/1492-5-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/1492-6-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

Filesize
64KB

Download
memory/1492-7-0x00000000061B0000-0x0000000006504000-memory.dmp

Filesize
3.3MB

Download
memory/1492-8-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/1492-9-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/1492-1-0x0000000000010000-0x000000000009C000-memory.dmp

Filesize
560KB

Download
memory/1492-11-0x0000000006560000-0x00000000065FC000-memory.dmp

Filesize
624KB

Download
memory/1492-32-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/1492-3-0x0000000004940000-0x00000000049D2000-memory.dmp

Filesize
584KB

Download
memory/1492-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/3420-60-0x00000000075C0000-0x00000000075C8000-memory.dmp

Filesize
32KB

Download
memory/3420-50-0x0000000006EE0000-0x0000000006EFE000-memory.dmp

Filesize
120KB

Download
memory/3420-21-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/3420-63-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/3420-26-0x00000000058E0000-0x0000000005946000-memory.dmp

Filesize
408KB

Download
memory/3420-18-0x0000000005150000-0x0000000005778000-memory.dmp

Filesize
6.2MB

Download
memory/3420-17-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/3420-40-0x0000000075030000-0x000000007507C000-memory.dmp

Filesize
304KB

Download
memory/3420-23-0x0000000005090000-0x00000000050B2000-memory.dmp

Filesize
136KB

Download
memory/3420-37-0x0000000005F70000-0x0000000005F8E000-memory.dmp

Filesize
120KB

Download
memory/3420-38-0x0000000006000000-0x000000000604C000-memory.dmp

Filesize
304KB

Download
memory/3420-39-0x0000000006F20000-0x0000000006F52000-memory.dmp

Filesize
200KB

Download
memory/3420-25-0x0000000005780000-0x00000000057E6000-memory.dmp

Filesize
408KB

Download
memory/3420-19-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/3420-51-0x0000000007160000-0x0000000007203000-memory.dmp

Filesize
652KB

Download
memory/3420-53-0x00000000072A0000-0x00000000072BA000-memory.dmp

Filesize
104KB

Download
memory/3420-52-0x00000000078E0000-0x0000000007F5A000-memory.dmp

Filesize
6.5MB

Download
memory/3420-54-0x0000000007310000-0x000000000731A000-memory.dmp

Filesize
40KB

Download
memory/3420-55-0x0000000007520000-0x00000000075B6000-memory.dmp

Filesize
600KB

Download
memory/3420-56-0x00000000074A0000-0x00000000074B1000-memory.dmp

Filesize
68KB

Download
memory/3420-57-0x00000000074D0000-0x00000000074DE000-memory.dmp

Filesize
56KB

Download
memory/3420-58-0x00000000074E0000-0x00000000074F4000-memory.dmp

Filesize
80KB

Download
memory/3420-59-0x00000000075E0000-0x00000000075FA000-memory.dmp

Filesize
104KB

Download
memory/3420-16-0x0000000002640000-0x0000000002676000-memory.dmp

Filesize
216KB

Download
memory/3460-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download