njrat | 8c4909cf7dc12e6724f7cbb4f095d366237a93ce25c6eedde1ff435aba588c68

General

Target

db404d344d12678f7213b44048818c17.exe
Size

37KB
MD5

db404d344d12678f7213b44048818c17
SHA1

7772297858581e8baa9b1546e8dd06fd255f0219
SHA256

8c4909cf7dc12e6724f7cbb4f095d366237a93ce25c6eedde1ff435aba588c68
SHA512

0f674d3af53ba86bacec2ab25da57887fac0f490a95e5b60e2bad99f31e8bc5f7a98105ab3ae532e6b3852657d79630d0b67bc3d5f87326cdb3e8ad91cfce8ad

Score

10^/10

njrat hacked evasion persistence suricata trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

efficient-oil.auto.playit.gg:55457

Mutex

b5058363d72546b0d0159499b17dedd9

Attributes

reg_key
b5058363d72546b0d0159499b17dedd9
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata
Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

1248 server.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
1248	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\b5058363d72546b0d0159499b17dedd9.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b5058363d72546b0d0159499b17dedd9.exe	server.exe

Loads dropped DLL 1 IoCs

Processes:

db404d344d12678f7213b44048818c17.exe

pid process

1648 db404d344d12678f7213b44048818c17.exe

pid	process
1648	db404d344d12678f7213b44048818c17.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\b5058363d72546b0d0159499b17dedd9 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows\CurrentVersion\Run\b5058363d72546b0d0159499b17dedd9 = "\"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 33 IoCs

Processes:

server.exe

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

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

db404d344d12678f7213b44048818c17.exeserver.exe

description	pid	process	target process
PID 1648 wrote to memory of 1248	1648	db404d344d12678f7213b44048818c17.exe	server.exe
PID 1648 wrote to memory of 1248	1648	db404d344d12678f7213b44048818c17.exe	server.exe
PID 1648 wrote to memory of 1248	1648	db404d344d12678f7213b44048818c17.exe	server.exe
PID 1648 wrote to memory of 1248	1648	db404d344d12678f7213b44048818c17.exe	server.exe
PID 1248 wrote to memory of 108	1248	server.exe	netsh.exe
PID 1248 wrote to memory of 108	1248	server.exe	netsh.exe
PID 1248 wrote to memory of 108	1248	server.exe	netsh.exe
PID 1248 wrote to memory of 108	1248	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\db404d344d12678f7213b44048818c17.exe
"C:\Users\Admin\AppData\Local\Temp\db404d344d12678f7213b44048818c17.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1648

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.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\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
PID:108

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
MD5
db404d344d12678f7213b44048818c17

SHA1
7772297858581e8baa9b1546e8dd06fd255f0219

SHA256
8c4909cf7dc12e6724f7cbb4f095d366237a93ce25c6eedde1ff435aba588c68

SHA512
0f674d3af53ba86bacec2ab25da57887fac0f490a95e5b60e2bad99f31e8bc5f7a98105ab3ae532e6b3852657d79630d0b67bc3d5f87326cdb3e8ad91cfce8ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
MD5
db404d344d12678f7213b44048818c17

SHA1
7772297858581e8baa9b1546e8dd06fd255f0219

SHA256
8c4909cf7dc12e6724f7cbb4f095d366237a93ce25c6eedde1ff435aba588c68

SHA512
0f674d3af53ba86bacec2ab25da57887fac0f490a95e5b60e2bad99f31e8bc5f7a98105ab3ae532e6b3852657d79630d0b67bc3d5f87326cdb3e8ad91cfce8ad

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe
MD5
db404d344d12678f7213b44048818c17

SHA1
7772297858581e8baa9b1546e8dd06fd255f0219

SHA256
8c4909cf7dc12e6724f7cbb4f095d366237a93ce25c6eedde1ff435aba588c68

SHA512
0f674d3af53ba86bacec2ab25da57887fac0f490a95e5b60e2bad99f31e8bc5f7a98105ab3ae532e6b3852657d79630d0b67bc3d5f87326cdb3e8ad91cfce8ad

Download Submit
memory/108-63-0x0000000000000000-mapping.dmp

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

Download
memory/1248-62-0x0000000000E50000-0x0000000000E51000-memory.dmp

Filesize
4KB

Download
memory/1648-55-0x0000000075491000-0x0000000075493000-memory.dmp

Filesize
8KB

Download
memory/1648-56-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads