njrat | a46de7b1eb5d6bd50182eebb1822b4535f3018136cd98af27ae6c462583a2267

Analysis

max time kernel
149s
max time network
150s
platform
windows10_x64
resource
win10v20201028
submitted
15-02-2021 04:40

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General

Target

95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe

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:

95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\30a4c97c0e6767f34af60813af87846b.exe	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\30a4c97c0e6767f34af60813af87846b.exe	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\30a4c97c0e6767f34af60813af87846b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe\" .."	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\30a4c97c0e6767f34af60813af87846b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe\" .."	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

Processes:

95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe

description	pid	process
Token: SeDebugPrivilege	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: 33	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: SeIncBasePriorityPrivilege	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: 33	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: SeIncBasePriorityPrivilege	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: 33	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: SeIncBasePriorityPrivilege	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: 33	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: SeIncBasePriorityPrivilege	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: 33	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: SeIncBasePriorityPrivilege	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: 33	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: SeIncBasePriorityPrivilege	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: 33	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: SeIncBasePriorityPrivilege	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: 33	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: SeIncBasePriorityPrivilege	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: 33	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: SeIncBasePriorityPrivilege	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: 33	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: SeIncBasePriorityPrivilege	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: 33	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: SeIncBasePriorityPrivilege	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: 33	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: SeIncBasePriorityPrivilege	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: 33	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
Token: SeIncBasePriorityPrivilege	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe

description	pid	process	target process
PID 4760 wrote to memory of 4208	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe	netsh.exe
PID 4760 wrote to memory of 4208	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe	netsh.exe
PID 4760 wrote to memory of 4208	4760	95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe
"C:\Users\Admin\AppData\Local\Temp\95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4760

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe" "95cff1b536234f6cb1b3682bf4d88a3b4583710450652a9d928f67149f1208b3.exe" ENABLE
2⤵
PID:4208

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4208-3-0x0000000000000000-mapping.dmp

Download
memory/4760-2-0x00000000032A0000-0x00000000032A1000-memory.dmp

Filesize
4KB

Download