njrat | 41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681

General

Target

41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe
Size

1009KB
MD5

2bdfc0cc5cad829995fb730b83c099c8
SHA1

3f7a49c990bc5b6fa7df644dd3dd1d7046e35ab5
SHA256

41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681
SHA512

1563050e048541135b57fef6b14cb14f7a4d95dc63539a1e0677116fef256f1c3fced0aa7fb82567efcc12741c00d4fc37b1b9458e90cbaa3da13ac2f7a3db0d

Score

10^/10

njrat limebot3 trojan

Malware Config

Extracted

Family

njrat

Version

0.7.3

Botnet

Limebot3

C2

microsoftdnsbug.duckdns.org:6699

Mutex

Client.exe

Attributes

reg_key
Client.exe
splitter
luffy

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 2 IoCs

Processes:

AppVCatalog.exeAppVCatalog.exe

pid process

1080 AppVCatalog.exe
1528 AppVCatalog.exe

pid	process
1080	AppVCatalog.exe
1528	AppVCatalog.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exeAppVCatalog.exeAppVCatalog.exe

description	pid	process	target process
PID 1848 set thread context of 1168	1848	41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe	RegAsm.exe
PID 1080 set thread context of 992	1080	AppVCatalog.exe	RegAsm.exe
PID 1528 set thread context of 1536	1528	AppVCatalog.exe	RegAsm.exe

autoit_exe 3 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
C:\Users\Admin\CapabilityAccessHandlers\AppVCatalog.exe	autoit_exe
C:\Users\Admin\CapabilityAccessHandlers\AppVCatalog.exe	autoit_exe
C:\Users\Admin\CapabilityAccessHandlers\AppVCatalog.exe	autoit_exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

752 schtasks.exe
1052 schtasks.exe

pid	process
752	schtasks.exe
1052	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exeAppVCatalog.exeAppVCatalog.exe

pid	process
1848	41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe
1848	41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe
1080	AppVCatalog.exe
1080	AppVCatalog.exe
1528	AppVCatalog.exe
1528	AppVCatalog.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1168	RegAsm.exe
Token: 33	1168	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1168	RegAsm.exe
Token: 33	1168	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1168	RegAsm.exe
Token: 33	1168	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1168	RegAsm.exe
Token: 33	1168	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1168	RegAsm.exe
Token: 33	1168	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1168	RegAsm.exe
Token: 33	1168	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1168	RegAsm.exe
Token: 33	1168	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1168	RegAsm.exe
Token: 33	1168	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1168	RegAsm.exe
Token: 33	1168	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1168	RegAsm.exe
Token: 33	1168	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1168	RegAsm.exe
Token: 33	1168	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1168	RegAsm.exe
Token: 33	1168	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1168	RegAsm.exe
Token: 33	1168	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1168	RegAsm.exe
Token: 33	1168	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1168	RegAsm.exe
Token: 33	1168	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1168	RegAsm.exe
Token: 33	1168	RegAsm.exe
Token: SeIncBasePriorityPrivilege	1168	RegAsm.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exetaskeng.exeAppVCatalog.exeAppVCatalog.exe

description	pid	process	target process
PID 1848 wrote to memory of 1168	1848	41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe	RegAsm.exe
PID 1848 wrote to memory of 1168	1848	41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe	RegAsm.exe
PID 1848 wrote to memory of 1168	1848	41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe	RegAsm.exe
PID 1848 wrote to memory of 1168	1848	41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe	RegAsm.exe
PID 1848 wrote to memory of 1168	1848	41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe	RegAsm.exe
PID 1848 wrote to memory of 1168	1848	41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe	RegAsm.exe
PID 1848 wrote to memory of 1168	1848	41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe	RegAsm.exe
PID 1848 wrote to memory of 1168	1848	41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe	RegAsm.exe
PID 1848 wrote to memory of 1168	1848	41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe	RegAsm.exe
PID 1848 wrote to memory of 752	1848	41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe	schtasks.exe
PID 1848 wrote to memory of 752	1848	41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe	schtasks.exe
PID 1848 wrote to memory of 752	1848	41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe	schtasks.exe
PID 1848 wrote to memory of 752	1848	41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe	schtasks.exe
PID 1512 wrote to memory of 1080	1512	taskeng.exe	AppVCatalog.exe
PID 1512 wrote to memory of 1080	1512	taskeng.exe	AppVCatalog.exe
PID 1512 wrote to memory of 1080	1512	taskeng.exe	AppVCatalog.exe
PID 1512 wrote to memory of 1080	1512	taskeng.exe	AppVCatalog.exe
PID 1080 wrote to memory of 992	1080	AppVCatalog.exe	RegAsm.exe
PID 1080 wrote to memory of 992	1080	AppVCatalog.exe	RegAsm.exe
PID 1080 wrote to memory of 992	1080	AppVCatalog.exe	RegAsm.exe
PID 1080 wrote to memory of 992	1080	AppVCatalog.exe	RegAsm.exe
PID 1080 wrote to memory of 992	1080	AppVCatalog.exe	RegAsm.exe
PID 1080 wrote to memory of 992	1080	AppVCatalog.exe	RegAsm.exe
PID 1080 wrote to memory of 992	1080	AppVCatalog.exe	RegAsm.exe
PID 1080 wrote to memory of 992	1080	AppVCatalog.exe	RegAsm.exe
PID 1080 wrote to memory of 992	1080	AppVCatalog.exe	RegAsm.exe
PID 1080 wrote to memory of 1052	1080	AppVCatalog.exe	schtasks.exe
PID 1080 wrote to memory of 1052	1080	AppVCatalog.exe	schtasks.exe
PID 1080 wrote to memory of 1052	1080	AppVCatalog.exe	schtasks.exe
PID 1080 wrote to memory of 1052	1080	AppVCatalog.exe	schtasks.exe
PID 1512 wrote to memory of 1528	1512	taskeng.exe	AppVCatalog.exe
PID 1512 wrote to memory of 1528	1512	taskeng.exe	AppVCatalog.exe
PID 1512 wrote to memory of 1528	1512	taskeng.exe	AppVCatalog.exe
PID 1512 wrote to memory of 1528	1512	taskeng.exe	AppVCatalog.exe
PID 1528 wrote to memory of 1536	1528	AppVCatalog.exe	RegAsm.exe
PID 1528 wrote to memory of 1536	1528	AppVCatalog.exe	RegAsm.exe
PID 1528 wrote to memory of 1536	1528	AppVCatalog.exe	RegAsm.exe
PID 1528 wrote to memory of 1536	1528	AppVCatalog.exe	RegAsm.exe
PID 1528 wrote to memory of 1536	1528	AppVCatalog.exe	RegAsm.exe
PID 1528 wrote to memory of 1536	1528	AppVCatalog.exe	RegAsm.exe
PID 1528 wrote to memory of 1536	1528	AppVCatalog.exe	RegAsm.exe
PID 1528 wrote to memory of 1536	1528	AppVCatalog.exe	RegAsm.exe
PID 1528 wrote to memory of 1536	1528	AppVCatalog.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe
"C:\Users\Admin\AppData\Local\Temp\41e16d26226c15800b3dda0529c07e7d17db42cb7d30023849a595df60e44681.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1848

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1168

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn PnPUnattend /tr "C:\Users\Admin\CapabilityAccessHandlers\AppVCatalog.exe" /sc minute /mo 1 /F
2⤵
- Creates scheduled task(s)
PID:752

C:\Windows\system32\taskeng.exe
taskeng.exe {671F336C-0916-494A-B951-61EEECAAE3B7} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1512

C:\Users\Admin\CapabilityAccessHandlers\AppVCatalog.exe
C:\Users\Admin\CapabilityAccessHandlers\AppVCatalog.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1080

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
3⤵
PID:992

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn PnPUnattend /tr "C:\Users\Admin\CapabilityAccessHandlers\AppVCatalog.exe" /sc minute /mo 1 /F
3⤵
- Creates scheduled task(s)
PID:1052

C:\Users\Admin\CapabilityAccessHandlers\AppVCatalog.exe
C:\Users\Admin\CapabilityAccessHandlers\AppVCatalog.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1528

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
3⤵
PID:1536

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\CapabilityAccessHandlers\AppVCatalog.exe
MD5
e44ec2bd804505114edf171c4ebfe816

SHA1
fd263c9efcfdcfeabd34584c730956694e2156ab

SHA256
509e47c2f06be822dca665ff0d5757f53a3a402c06d6c566373d6a589913e640

SHA512
941476ee3296bf00856497be564ea19990941f026296f80c39abd02f1ef51410d4c8fac75d3470a7a214cd2d7ba8e614df93b9e34006a0e0942c0e52f341f939

Download Submit
C:\Users\Admin\CapabilityAccessHandlers\AppVCatalog.exe
MD5
e44ec2bd804505114edf171c4ebfe816

SHA1
fd263c9efcfdcfeabd34584c730956694e2156ab

SHA256
509e47c2f06be822dca665ff0d5757f53a3a402c06d6c566373d6a589913e640

SHA512
941476ee3296bf00856497be564ea19990941f026296f80c39abd02f1ef51410d4c8fac75d3470a7a214cd2d7ba8e614df93b9e34006a0e0942c0e52f341f939

Download Submit
C:\Users\Admin\CapabilityAccessHandlers\AppVCatalog.exe
MD5
e44ec2bd804505114edf171c4ebfe816

SHA1
fd263c9efcfdcfeabd34584c730956694e2156ab

SHA256
509e47c2f06be822dca665ff0d5757f53a3a402c06d6c566373d6a589913e640

SHA512
941476ee3296bf00856497be564ea19990941f026296f80c39abd02f1ef51410d4c8fac75d3470a7a214cd2d7ba8e614df93b9e34006a0e0942c0e52f341f939

Download Submit
memory/752-72-0x0000000000000000-mapping.dmp

Download
memory/992-86-0x0000000000A50000-0x0000000000A51000-memory.dmp

Filesize
4KB

Download
memory/992-82-0x0000000000414E6E-mapping.dmp

Download
memory/1052-87-0x0000000000000000-mapping.dmp

Download
memory/1080-74-0x0000000000000000-mapping.dmp

Download
memory/1168-67-0x0000000000414E6E-mapping.dmp

Download
memory/1168-68-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1168-62-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1168-69-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1168-71-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1528-88-0x0000000000000000-mapping.dmp

Download
memory/1536-96-0x0000000000414E6E-mapping.dmp

Download
memory/1536-100-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/1848-60-0x00000000757C1000-0x00000000757C3000-memory.dmp

Filesize
8KB

Download
memory/1848-61-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads