njrat | a70002c527a508f14051e606115ad0a04c045d7ffdb6a70ed01361b3ce7b3de2

General

Target

18f1f44a28639057e66f8390d4faa3df.exe
Size

31KB
MD5

18f1f44a28639057e66f8390d4faa3df
SHA1

ee8cf7689899772f5e59e66bc66b89fd19269ea0
SHA256

a70002c527a508f14051e606115ad0a04c045d7ffdb6a70ed01361b3ce7b3de2
SHA512

d91eb5032067e9b36a9b6d67ad2d335b650ff1de17b272740f94fcd58d644caae0dbd236e1da11284d5538b92b38d6c6d49b0c7ea0d0a96d2d47849bab6d86b6

Score

10^/10

njrat evasion persistence suricata trojan

Malware Config

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

Drops startup file 2 IoCs

Processes:

18f1f44a28639057e66f8390d4faa3df.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\aaffeb7a5f54025070b8e182b1fa7d98.exe	18f1f44a28639057e66f8390d4faa3df.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\aaffeb7a5f54025070b8e182b1fa7d98.exe	18f1f44a28639057e66f8390d4faa3df.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18f1f44a28639057e66f8390d4faa3df.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\aaffeb7a5f54025070b8e182b1fa7d98 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\18f1f44a28639057e66f8390d4faa3df.exe\" .."	18f1f44a28639057e66f8390d4faa3df.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\aaffeb7a5f54025070b8e182b1fa7d98 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\18f1f44a28639057e66f8390d4faa3df.exe\" .."	18f1f44a28639057e66f8390d4faa3df.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

18f1f44a28639057e66f8390d4faa3df.exe

description	pid	process
Token: SeDebugPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: 33	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: SeIncBasePriorityPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: 33	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: SeIncBasePriorityPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: 33	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: SeIncBasePriorityPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: 33	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: SeIncBasePriorityPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: 33	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: SeIncBasePriorityPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: 33	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: SeIncBasePriorityPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: 33	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: SeIncBasePriorityPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: 33	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: SeIncBasePriorityPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: 33	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: SeIncBasePriorityPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: 33	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: SeIncBasePriorityPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: 33	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: SeIncBasePriorityPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: 33	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: SeIncBasePriorityPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: 33	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: SeIncBasePriorityPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: 33	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: SeIncBasePriorityPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: 33	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: SeIncBasePriorityPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: 33	4088	18f1f44a28639057e66f8390d4faa3df.exe
Token: SeIncBasePriorityPrivilege	4088	18f1f44a28639057e66f8390d4faa3df.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

18f1f44a28639057e66f8390d4faa3df.exe

description	pid	process	target process
PID 4088 wrote to memory of 3284	4088	18f1f44a28639057e66f8390d4faa3df.exe	netsh.exe
PID 4088 wrote to memory of 3284	4088	18f1f44a28639057e66f8390d4faa3df.exe	netsh.exe
PID 4088 wrote to memory of 3284	4088	18f1f44a28639057e66f8390d4faa3df.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\18f1f44a28639057e66f8390d4faa3df.exe
"C:\Users\Admin\AppData\Local\Temp\18f1f44a28639057e66f8390d4faa3df.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4088

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\18f1f44a28639057e66f8390d4faa3df.exe" "18f1f44a28639057e66f8390d4faa3df.exe" ENABLE
2⤵
PID:3284

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3284-119-0x0000000000000000-mapping.dmp

Download
memory/4088-118-0x0000000002A80000-0x0000000002A81000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads