njrat | 793d4047f9cb06853188abd91e4e889ab897b989abba1e9a040b0a767eb90802

General

Target

793d4047f9cb06853188abd91e4e889ab897b989abba1e9a040b0a767eb90802.exe
Size

23KB
MD5

11f42d8a2e06a965a4ffc575dfda012f
SHA1

8e372df6a2d2171403349c72d5b4eac100baac06
SHA256

793d4047f9cb06853188abd91e4e889ab897b989abba1e9a040b0a767eb90802
SHA512

3b9001f44cb2f840f3d22888010a66a0ff2737a36b4574f5af6ab58466bca9ac63ef2820ed0d4ba18de5d7ef204b3ca2e6365f5803f758d1de2cec38f863cb5a

Score

10^/10

njrat roblox evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Roblox

C2

sallystark.ddns.net:1177

Mutex

4f4dac90c60c5d2b42eb7531f6b1885e

Attributes

reg_key
4f4dac90c60c5d2b42eb7531f6b1885e
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

WindowsLogo.exe

pid process

1248 WindowsLogo.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2040 netsh.exe

pid	process
1248	WindowsLogo.exe

pid	process
2040	netsh.exe

Drops startup file 2 IoCs

Processes:

WindowsLogo.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4f4dac90c60c5d2b42eb7531f6b1885e.exe	WindowsLogo.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4f4dac90c60c5d2b42eb7531f6b1885e.exe	WindowsLogo.exe

Loads dropped DLL 1 IoCs

Processes:

793d4047f9cb06853188abd91e4e889ab897b989abba1e9a040b0a767eb90802.exe

pid process

240 793d4047f9cb06853188abd91e4e889ab897b989abba1e9a040b0a767eb90802.exe

pid	process
240	793d4047f9cb06853188abd91e4e889ab897b989abba1e9a040b0a767eb90802.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

WindowsLogo.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\4f4dac90c60c5d2b42eb7531f6b1885e = "\"C:\\Users\\Admin\\WindowsLogo.exe\" .."	WindowsLogo.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\4f4dac90c60c5d2b42eb7531f6b1885e = "\"C:\\Users\\Admin\\WindowsLogo.exe\" .."	WindowsLogo.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 15 IoCs

Processes:

WindowsLogo.exe

description	pid	process
Token: SeDebugPrivilege	1248	WindowsLogo.exe
Token: 33	1248	WindowsLogo.exe
Token: SeIncBasePriorityPrivilege	1248	WindowsLogo.exe
Token: 33	1248	WindowsLogo.exe
Token: SeIncBasePriorityPrivilege	1248	WindowsLogo.exe
Token: 33	1248	WindowsLogo.exe
Token: SeIncBasePriorityPrivilege	1248	WindowsLogo.exe
Token: 33	1248	WindowsLogo.exe
Token: SeIncBasePriorityPrivilege	1248	WindowsLogo.exe
Token: 33	1248	WindowsLogo.exe
Token: SeIncBasePriorityPrivilege	1248	WindowsLogo.exe
Token: 33	1248	WindowsLogo.exe
Token: SeIncBasePriorityPrivilege	1248	WindowsLogo.exe
Token: 33	1248	WindowsLogo.exe
Token: SeIncBasePriorityPrivilege	1248	WindowsLogo.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

793d4047f9cb06853188abd91e4e889ab897b989abba1e9a040b0a767eb90802.exeWindowsLogo.exe

description	pid	process	target process
PID 240 wrote to memory of 1248	240	793d4047f9cb06853188abd91e4e889ab897b989abba1e9a040b0a767eb90802.exe	WindowsLogo.exe
PID 240 wrote to memory of 1248	240	793d4047f9cb06853188abd91e4e889ab897b989abba1e9a040b0a767eb90802.exe	WindowsLogo.exe
PID 240 wrote to memory of 1248	240	793d4047f9cb06853188abd91e4e889ab897b989abba1e9a040b0a767eb90802.exe	WindowsLogo.exe
PID 240 wrote to memory of 1248	240	793d4047f9cb06853188abd91e4e889ab897b989abba1e9a040b0a767eb90802.exe	WindowsLogo.exe
PID 1248 wrote to memory of 2040	1248	WindowsLogo.exe	netsh.exe
PID 1248 wrote to memory of 2040	1248	WindowsLogo.exe	netsh.exe
PID 1248 wrote to memory of 2040	1248	WindowsLogo.exe	netsh.exe
PID 1248 wrote to memory of 2040	1248	WindowsLogo.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\793d4047f9cb06853188abd91e4e889ab897b989abba1e9a040b0a767eb90802.exe
"C:\Users\Admin\AppData\Local\Temp\793d4047f9cb06853188abd91e4e889ab897b989abba1e9a040b0a767eb90802.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:240

C:\Users\Admin\WindowsLogo.exe
"C:\Users\Admin\WindowsLogo.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1248

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\WindowsLogo.exe" "WindowsLogo.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2040

Network

MITRE ATT&CK Matrix ATT&CK 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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\WindowsLogo.exe
Filesize
23KB

MD5
11f42d8a2e06a965a4ffc575dfda012f

SHA1
8e372df6a2d2171403349c72d5b4eac100baac06

SHA256
793d4047f9cb06853188abd91e4e889ab897b989abba1e9a040b0a767eb90802

SHA512
3b9001f44cb2f840f3d22888010a66a0ff2737a36b4574f5af6ab58466bca9ac63ef2820ed0d4ba18de5d7ef204b3ca2e6365f5803f758d1de2cec38f863cb5a

Download Submit
C:\Users\Admin\WindowsLogo.exe
Filesize
23KB

MD5
11f42d8a2e06a965a4ffc575dfda012f

SHA1
8e372df6a2d2171403349c72d5b4eac100baac06

SHA256
793d4047f9cb06853188abd91e4e889ab897b989abba1e9a040b0a767eb90802

SHA512
3b9001f44cb2f840f3d22888010a66a0ff2737a36b4574f5af6ab58466bca9ac63ef2820ed0d4ba18de5d7ef204b3ca2e6365f5803f758d1de2cec38f863cb5a

Download Submit
\Users\Admin\WindowsLogo.exe
Filesize
23KB

MD5
11f42d8a2e06a965a4ffc575dfda012f

SHA1
8e372df6a2d2171403349c72d5b4eac100baac06

SHA256
793d4047f9cb06853188abd91e4e889ab897b989abba1e9a040b0a767eb90802

SHA512
3b9001f44cb2f840f3d22888010a66a0ff2737a36b4574f5af6ab58466bca9ac63ef2820ed0d4ba18de5d7ef204b3ca2e6365f5803f758d1de2cec38f863cb5a

Download Submit
memory/240-54-0x00000000757C1000-0x00000000757C3000-memory.dmp

Filesize
8KB

Download
memory/240-55-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/240-56-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/240-63-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/1248-58-0x0000000000000000-mapping.dmp

Download
memory/1248-62-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/1248-65-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2040-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads