njrat | 2ebca90b91d537ccf128e52e55d48bd2ac2563319dc07f9435942c42df9a4d8d

General

Target

2EBCA90B91D537CCF128E52E55D48BD2AC2563319DC07.exe
Size

144KB
MD5

6d0941f64b7968007db7eef0a06a0cca
SHA1

0a9fe217013e7a27134ee5633f1c5e750b0604a6
SHA256

2ebca90b91d537ccf128e52e55d48bd2ac2563319dc07f9435942c42df9a4d8d
SHA512

dc85440765df6479284e08be40afc717631dab8fe9e150a32c456a12455fefb47164979652da87d42e7d0beb6f383bf8f762c124dc871365b6f41eea539c9ecc

Score

10^/10

njrat evasion persistence suricata trojan

Malware Config

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

960 server.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
960	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\1ee9b0e844c498eb2d84ba9782d98425.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1ee9b0e844c498eb2d84ba9782d98425.exe	server.exe

Loads dropped DLL 2 IoCs

Processes:

2EBCA90B91D537CCF128E52E55D48BD2AC2563319DC07.exe

pid process

1432 2EBCA90B91D537CCF128E52E55D48BD2AC2563319DC07.exe
1432 2EBCA90B91D537CCF128E52E55D48BD2AC2563319DC07.exe

pid	process
1432	2EBCA90B91D537CCF128E52E55D48BD2AC2563319DC07.exe
1432	2EBCA90B91D537CCF128E52E55D48BD2AC2563319DC07.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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\1ee9b0e844c498eb2d84ba9782d98425 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\1ee9b0e844c498eb2d84ba9782d98425 = "\"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 23 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	960	server.exe
Token: 33	960	server.exe
Token: SeIncBasePriorityPrivilege	960	server.exe
Token: 33	960	server.exe
Token: SeIncBasePriorityPrivilege	960	server.exe
Token: 33	960	server.exe
Token: SeIncBasePriorityPrivilege	960	server.exe
Token: 33	960	server.exe
Token: SeIncBasePriorityPrivilege	960	server.exe
Token: 33	960	server.exe
Token: SeIncBasePriorityPrivilege	960	server.exe
Token: 33	960	server.exe
Token: SeIncBasePriorityPrivilege	960	server.exe
Token: 33	960	server.exe
Token: SeIncBasePriorityPrivilege	960	server.exe
Token: 33	960	server.exe
Token: SeIncBasePriorityPrivilege	960	server.exe
Token: 33	960	server.exe
Token: SeIncBasePriorityPrivilege	960	server.exe
Token: 33	960	server.exe
Token: SeIncBasePriorityPrivilege	960	server.exe
Token: 33	960	server.exe
Token: SeIncBasePriorityPrivilege	960	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2EBCA90B91D537CCF128E52E55D48BD2AC2563319DC07.exeserver.exe

description	pid	process	target process
PID 1432 wrote to memory of 960	1432	2EBCA90B91D537CCF128E52E55D48BD2AC2563319DC07.exe	server.exe
PID 1432 wrote to memory of 960	1432	2EBCA90B91D537CCF128E52E55D48BD2AC2563319DC07.exe	server.exe
PID 1432 wrote to memory of 960	1432	2EBCA90B91D537CCF128E52E55D48BD2AC2563319DC07.exe	server.exe
PID 1432 wrote to memory of 960	1432	2EBCA90B91D537CCF128E52E55D48BD2AC2563319DC07.exe	server.exe
PID 960 wrote to memory of 1680	960	server.exe	netsh.exe
PID 960 wrote to memory of 1680	960	server.exe	netsh.exe
PID 960 wrote to memory of 1680	960	server.exe	netsh.exe
PID 960 wrote to memory of 1680	960	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\2EBCA90B91D537CCF128E52E55D48BD2AC2563319DC07.exe
"C:\Users\Admin\AppData\Local\Temp\2EBCA90B91D537CCF128E52E55D48BD2AC2563319DC07.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1432

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:960

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
3⤵
PID:1680

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
MD5
6d0941f64b7968007db7eef0a06a0cca

SHA1
0a9fe217013e7a27134ee5633f1c5e750b0604a6

SHA256
2ebca90b91d537ccf128e52e55d48bd2ac2563319dc07f9435942c42df9a4d8d

SHA512
dc85440765df6479284e08be40afc717631dab8fe9e150a32c456a12455fefb47164979652da87d42e7d0beb6f383bf8f762c124dc871365b6f41eea539c9ecc

Download Submit
C:\Users\Admin\AppData\Roaming\server.exe
MD5
6d0941f64b7968007db7eef0a06a0cca

SHA1
0a9fe217013e7a27134ee5633f1c5e750b0604a6

SHA256
2ebca90b91d537ccf128e52e55d48bd2ac2563319dc07f9435942c42df9a4d8d

SHA512
dc85440765df6479284e08be40afc717631dab8fe9e150a32c456a12455fefb47164979652da87d42e7d0beb6f383bf8f762c124dc871365b6f41eea539c9ecc

Download Submit
\Users\Admin\AppData\Roaming\server.exe
MD5
6d0941f64b7968007db7eef0a06a0cca

SHA1
0a9fe217013e7a27134ee5633f1c5e750b0604a6

SHA256
2ebca90b91d537ccf128e52e55d48bd2ac2563319dc07f9435942c42df9a4d8d

SHA512
dc85440765df6479284e08be40afc717631dab8fe9e150a32c456a12455fefb47164979652da87d42e7d0beb6f383bf8f762c124dc871365b6f41eea539c9ecc

Download Submit
\Users\Admin\AppData\Roaming\server.exe
MD5
6d0941f64b7968007db7eef0a06a0cca

SHA1
0a9fe217013e7a27134ee5633f1c5e750b0604a6

SHA256
2ebca90b91d537ccf128e52e55d48bd2ac2563319dc07f9435942c42df9a4d8d

SHA512
dc85440765df6479284e08be40afc717631dab8fe9e150a32c456a12455fefb47164979652da87d42e7d0beb6f383bf8f762c124dc871365b6f41eea539c9ecc

Download Submit
memory/960-57-0x0000000000000000-mapping.dmp

Download
memory/960-61-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1432-53-0x00000000768C1000-0x00000000768C3000-memory.dmp

Filesize
8KB

Download
memory/1432-54-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1680-62-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads