njrat | f2fa9802bd004a3a349d986456b69d8ddf46133430500ce455aaab2b38df154d

General

Target

f2fa9802bd004a3a349d986456b69d8ddf46133430500ce455aaab2b38df154d.exe
Size

23KB
MD5

d333f303d8e78b7fe5eaaa43637d8473
SHA1

a524da5844c7400c9fdaa305e34762578eeecbae
SHA256

f2fa9802bd004a3a349d986456b69d8ddf46133430500ce455aaab2b38df154d
SHA512

2838b599d7d9649f892a1f45f0003ea6b292aeca00597c18cec3e628420f7baf63c050ce3fb2980860ba32ce476e05bd9f708d3382f75e45b1c923295d54a05d

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:1604

Mutex

ad050a4ca40647f4c68a5e56134a59c2

Attributes

reg_key
ad050a4ca40647f4c68a5e56134a59c2
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

1660 server.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
1660	server.exe

Drops startup file 2 IoCs

Processes:

server.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ad050a4ca40647f4c68a5e56134a59c2.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ad050a4ca40647f4c68a5e56134a59c2.exe	server.exe

Loads dropped DLL 1 IoCs

Processes:

f2fa9802bd004a3a349d986456b69d8ddf46133430500ce455aaab2b38df154d.exe

pid process

1072 f2fa9802bd004a3a349d986456b69d8ddf46133430500ce455aaab2b38df154d.exe

pid	process
1072	f2fa9802bd004a3a349d986456b69d8ddf46133430500ce455aaab2b38df154d.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ad050a4ca40647f4c68a5e56134a59c2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\ad050a4ca40647f4c68a5e56134a59c2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.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 17 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

f2fa9802bd004a3a349d986456b69d8ddf46133430500ce455aaab2b38df154d.exeserver.exe

description	pid	process	target process
PID 1072 wrote to memory of 1660	1072	f2fa9802bd004a3a349d986456b69d8ddf46133430500ce455aaab2b38df154d.exe	server.exe
PID 1072 wrote to memory of 1660	1072	f2fa9802bd004a3a349d986456b69d8ddf46133430500ce455aaab2b38df154d.exe	server.exe
PID 1072 wrote to memory of 1660	1072	f2fa9802bd004a3a349d986456b69d8ddf46133430500ce455aaab2b38df154d.exe	server.exe
PID 1072 wrote to memory of 1660	1072	f2fa9802bd004a3a349d986456b69d8ddf46133430500ce455aaab2b38df154d.exe	server.exe
PID 1660 wrote to memory of 1348	1660	server.exe	netsh.exe
PID 1660 wrote to memory of 1348	1660	server.exe	netsh.exe
PID 1660 wrote to memory of 1348	1660	server.exe	netsh.exe
PID 1660 wrote to memory of 1348	1660	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\f2fa9802bd004a3a349d986456b69d8ddf46133430500ce455aaab2b38df154d.exe
"C:\Users\Admin\AppData\Local\Temp\f2fa9802bd004a3a349d986456b69d8ddf46133430500ce455aaab2b38df154d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1072

C:\Users\Admin\AppData\Roaming\server.exe
"C:\Users\Admin\AppData\Roaming\server.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1660

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
3⤵
PID:1348

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

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Downloads

C:\Users\Admin\AppData\Roaming\server.exe
Filesize
23KB

MD5
d333f303d8e78b7fe5eaaa43637d8473

SHA1
a524da5844c7400c9fdaa305e34762578eeecbae

SHA256
f2fa9802bd004a3a349d986456b69d8ddf46133430500ce455aaab2b38df154d

SHA512
2838b599d7d9649f892a1f45f0003ea6b292aeca00597c18cec3e628420f7baf63c050ce3fb2980860ba32ce476e05bd9f708d3382f75e45b1c923295d54a05d

Download Submit
C:\Users\Admin\AppData\Roaming\server.exe
Filesize
23KB

MD5
d333f303d8e78b7fe5eaaa43637d8473

SHA1
a524da5844c7400c9fdaa305e34762578eeecbae

SHA256
f2fa9802bd004a3a349d986456b69d8ddf46133430500ce455aaab2b38df154d

SHA512
2838b599d7d9649f892a1f45f0003ea6b292aeca00597c18cec3e628420f7baf63c050ce3fb2980860ba32ce476e05bd9f708d3382f75e45b1c923295d54a05d

Download Submit
\Users\Admin\AppData\Roaming\server.exe
Filesize
23KB

MD5
d333f303d8e78b7fe5eaaa43637d8473

SHA1
a524da5844c7400c9fdaa305e34762578eeecbae

SHA256
f2fa9802bd004a3a349d986456b69d8ddf46133430500ce455aaab2b38df154d

SHA512
2838b599d7d9649f892a1f45f0003ea6b292aeca00597c18cec3e628420f7baf63c050ce3fb2980860ba32ce476e05bd9f708d3382f75e45b1c923295d54a05d

Download Submit
memory/1072-54-0x0000000075841000-0x0000000075843000-memory.dmp

Filesize
8KB

Download
memory/1072-55-0x0000000074720000-0x0000000074CCB000-memory.dmp

Filesize
5.7MB

Download
memory/1348-62-0x0000000000000000-mapping.dmp

Download
memory/1660-57-0x0000000000000000-mapping.dmp

Download
memory/1660-61-0x0000000074720000-0x0000000074CCB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads