njrat | 4f0c69afb14d1768b1c74555267239dbaebe00a48fd68c890f093444f4b6e41e

General

Target

4f0c69afb14d1768b1c74555267239dbaebe00a48fd68c890f093444f4b6e41e.exe
Size

23KB
MD5

b14754884befd3597f7975b9d9a5bc5b
SHA1

4d437d94a9c5c5e2a52aedb004970d4872c995f3
SHA256

4f0c69afb14d1768b1c74555267239dbaebe00a48fd68c890f093444f4b6e41e
SHA512

2b0ca7e45382db30c850f4cc84964979d6709a1cb86f4e2353b50721d49fcc93975c0bd7168dea2eab424a1d73a60a2b0b03eb1e17644447b41c4c8925398a78
SSDEEP

384:2weXCQIreJig/8Z7SS1fEBbng6ZgL2IBPZVmRvR6JZlbw8hqIusZzZrc:hLq411URpcnun

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

abatata.ddns.net:5552

Mutex

e7d031ada337226244d99c1bac494695

Attributes

reg_key
e7d031ada337226244d99c1bac494695
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

828 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

308 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

4f0c69afb14d1768b1c74555267239dbaebe00a48fd68c890f093444f4b6e41e.exe

pid process

112 4f0c69afb14d1768b1c74555267239dbaebe00a48fd68c890f093444f4b6e41e.exe

pid	process
828	server.exe

pid	process
308	netsh.exe

pid	process
112	4f0c69afb14d1768b1c74555267239dbaebe00a48fd68c890f093444f4b6e41e.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\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\e7d031ada337226244d99c1bac494695 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\e7d031ada337226244d99c1bac494695 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\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 13 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	828	server.exe
Token: 33	828	server.exe
Token: SeIncBasePriorityPrivilege	828	server.exe
Token: 33	828	server.exe
Token: SeIncBasePriorityPrivilege	828	server.exe
Token: 33	828	server.exe
Token: SeIncBasePriorityPrivilege	828	server.exe
Token: 33	828	server.exe
Token: SeIncBasePriorityPrivilege	828	server.exe
Token: 33	828	server.exe
Token: SeIncBasePriorityPrivilege	828	server.exe
Token: 33	828	server.exe
Token: SeIncBasePriorityPrivilege	828	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4f0c69afb14d1768b1c74555267239dbaebe00a48fd68c890f093444f4b6e41e.exeserver.exe

description	pid	process	target process
PID 112 wrote to memory of 828	112	4f0c69afb14d1768b1c74555267239dbaebe00a48fd68c890f093444f4b6e41e.exe	server.exe
PID 112 wrote to memory of 828	112	4f0c69afb14d1768b1c74555267239dbaebe00a48fd68c890f093444f4b6e41e.exe	server.exe
PID 112 wrote to memory of 828	112	4f0c69afb14d1768b1c74555267239dbaebe00a48fd68c890f093444f4b6e41e.exe	server.exe
PID 112 wrote to memory of 828	112	4f0c69afb14d1768b1c74555267239dbaebe00a48fd68c890f093444f4b6e41e.exe	server.exe
PID 828 wrote to memory of 308	828	server.exe	netsh.exe
PID 828 wrote to memory of 308	828	server.exe	netsh.exe
PID 828 wrote to memory of 308	828	server.exe	netsh.exe
PID 828 wrote to memory of 308	828	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\4f0c69afb14d1768b1c74555267239dbaebe00a48fd68c890f093444f4b6e41e.exe
"C:\Users\Admin\AppData\Local\Temp\4f0c69afb14d1768b1c74555267239dbaebe00a48fd68c890f093444f4b6e41e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:112

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:828

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:308

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\Local\Temp\server.exe
Filesize
23KB

MD5
b14754884befd3597f7975b9d9a5bc5b

SHA1
4d437d94a9c5c5e2a52aedb004970d4872c995f3

SHA256
4f0c69afb14d1768b1c74555267239dbaebe00a48fd68c890f093444f4b6e41e

SHA512
2b0ca7e45382db30c850f4cc84964979d6709a1cb86f4e2353b50721d49fcc93975c0bd7168dea2eab424a1d73a60a2b0b03eb1e17644447b41c4c8925398a78

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

MD5
b14754884befd3597f7975b9d9a5bc5b

SHA1
4d437d94a9c5c5e2a52aedb004970d4872c995f3

SHA256
4f0c69afb14d1768b1c74555267239dbaebe00a48fd68c890f093444f4b6e41e

SHA512
2b0ca7e45382db30c850f4cc84964979d6709a1cb86f4e2353b50721d49fcc93975c0bd7168dea2eab424a1d73a60a2b0b03eb1e17644447b41c4c8925398a78

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

MD5
b14754884befd3597f7975b9d9a5bc5b

SHA1
4d437d94a9c5c5e2a52aedb004970d4872c995f3

SHA256
4f0c69afb14d1768b1c74555267239dbaebe00a48fd68c890f093444f4b6e41e

SHA512
2b0ca7e45382db30c850f4cc84964979d6709a1cb86f4e2353b50721d49fcc93975c0bd7168dea2eab424a1d73a60a2b0b03eb1e17644447b41c4c8925398a78

Download Submit
memory/112-54-0x0000000075E31000-0x0000000075E33000-memory.dmp

Filesize
8KB

Download
memory/112-55-0x0000000074C30000-0x00000000751DB000-memory.dmp

Filesize
5.7MB

Download
memory/112-56-0x0000000074C30000-0x00000000751DB000-memory.dmp

Filesize
5.7MB

Download
memory/112-62-0x0000000074C30000-0x00000000751DB000-memory.dmp

Filesize
5.7MB

Download
memory/308-64-0x0000000000000000-mapping.dmp

Download
memory/828-58-0x0000000000000000-mapping.dmp

Download
memory/828-63-0x0000000074C30000-0x00000000751DB000-memory.dmp

Filesize
5.7MB

Download
memory/828-65-0x0000000074C30000-0x00000000751DB000-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