njrat | 3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe

General

Target

3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Size

31KB
MD5

7fa672943d27b23830fad41370e368ab
SHA1

ca2bf6b609130944e26c864d0befac1abf9c3afe
SHA256

3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe
SHA512

2915cd960eedf11af7370ba7b6a1dd29c9da7c7f61679ff9683aec7ce601a4b1a286005f666cbf39c0a29a9179e09da6e20c395e15268d0aba291e0b9a2c84e4

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

Drops startup file 2 IoCs

Processes:

3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\95f5ec3bd7a8e3e281a57a314113d408.exe	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\95f5ec3bd7a8e3e281a57a314113d408.exe	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\95f5ec3bd7a8e3e281a57a314113d408 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe\" .."	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\95f5ec3bd7a8e3e281a57a314113d408 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe\" .."	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe

description	pid	process
Token: SeDebugPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: 33	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: SeIncBasePriorityPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: 33	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: SeIncBasePriorityPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: 33	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: SeIncBasePriorityPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: 33	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: SeIncBasePriorityPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: 33	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: SeIncBasePriorityPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: 33	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: SeIncBasePriorityPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: 33	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: SeIncBasePriorityPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: 33	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: SeIncBasePriorityPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: 33	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: SeIncBasePriorityPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: 33	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: SeIncBasePriorityPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: 33	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: SeIncBasePriorityPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: 33	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: SeIncBasePriorityPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: 33	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: SeIncBasePriorityPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: 33	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: SeIncBasePriorityPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: 33	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: SeIncBasePriorityPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: 33	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
Token: SeIncBasePriorityPrivilege	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe

description	pid	process	target process
PID 4000 wrote to memory of 2668	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe	netsh.exe
PID 4000 wrote to memory of 2668	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe	netsh.exe
PID 4000 wrote to memory of 2668	4000	3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
"C:\Users\Admin\AppData\Local\Temp\3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4000

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe" "3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe" ENABLE
2⤵
PID:2668

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

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Downloads

memory/2668-131-0x0000000000000000-mapping.dmp

Download
memory/4000-130-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads