njrat | d21436909e84bf1340fcfce87fc8cde6456b1b464ee821e969ef64800e684e30

General

Target

d21436909e84bf1340fcfce87fc8cde6456b1b464ee821e969ef64800e684e30.exe
Size

43KB
MD5

eb1d61d4808ba559e096aa3ee3de3509
SHA1

b19fa5479433d4b180994fd0a9ace2fdfbca807a
SHA256

d21436909e84bf1340fcfce87fc8cde6456b1b464ee821e969ef64800e684e30
SHA512

4a7a12a65e7bf806555e4c1faec969baf23aa6176e37cf11f96cb947e273a94a22686d1a3ecc5d5d2dd1b5ff5476a9cb4d254886b22a28799270d088f5e29b6f

Score

10^/10

njrat topher persistence suricata trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

topher

C2

trojenimadamim.duckdns.org:1604

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

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:

Dllhost.exe

pid process

940 Dllhost.exe

pid	process
940	Dllhost.exe

Drops startup file 2 IoCs

Processes:

Dllhost.exe

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

Loads dropped DLL 1 IoCs

Processes:

d21436909e84bf1340fcfce87fc8cde6456b1b464ee821e969ef64800e684e30.exe

pid process

324 d21436909e84bf1340fcfce87fc8cde6456b1b464ee821e969ef64800e684e30.exe

pid	process
324	d21436909e84bf1340fcfce87fc8cde6456b1b464ee821e969ef64800e684e30.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Dllhost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dllhost.exe\" .."	Dllhost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dllhost.exe\" .."	Dllhost.exe

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

System Information Discovery
T1082
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Dllhost.exe

pid process

940 Dllhost.exe

pid	process
940	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

Dllhost.exe

description	pid	process
Token: SeDebugPrivilege	940	Dllhost.exe
Token: 33	940	Dllhost.exe
Token: SeIncBasePriorityPrivilege	940	Dllhost.exe
Token: 33	940	Dllhost.exe
Token: SeIncBasePriorityPrivilege	940	Dllhost.exe
Token: 33	940	Dllhost.exe
Token: SeIncBasePriorityPrivilege	940	Dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

d21436909e84bf1340fcfce87fc8cde6456b1b464ee821e969ef64800e684e30.exe

description	pid	process	target process
PID 324 wrote to memory of 940	324	d21436909e84bf1340fcfce87fc8cde6456b1b464ee821e969ef64800e684e30.exe	Dllhost.exe
PID 324 wrote to memory of 940	324	d21436909e84bf1340fcfce87fc8cde6456b1b464ee821e969ef64800e684e30.exe	Dllhost.exe
PID 324 wrote to memory of 940	324	d21436909e84bf1340fcfce87fc8cde6456b1b464ee821e969ef64800e684e30.exe	Dllhost.exe
PID 324 wrote to memory of 940	324	d21436909e84bf1340fcfce87fc8cde6456b1b464ee821e969ef64800e684e30.exe	Dllhost.exe

C:\Users\Admin\AppData\Local\Temp\d21436909e84bf1340fcfce87fc8cde6456b1b464ee821e969ef64800e684e30.exe
"C:\Users\Admin\AppData\Local\Temp\d21436909e84bf1340fcfce87fc8cde6456b1b464ee821e969ef64800e684e30.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:324

C:\Users\Admin\AppData\Roaming\Dllhost.exe
"C:\Users\Admin\AppData\Roaming\Dllhost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:940

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

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\Dllhost.exe
Filesize
43KB

MD5
eb1d61d4808ba559e096aa3ee3de3509

SHA1
b19fa5479433d4b180994fd0a9ace2fdfbca807a

SHA256
d21436909e84bf1340fcfce87fc8cde6456b1b464ee821e969ef64800e684e30

SHA512
4a7a12a65e7bf806555e4c1faec969baf23aa6176e37cf11f96cb947e273a94a22686d1a3ecc5d5d2dd1b5ff5476a9cb4d254886b22a28799270d088f5e29b6f

Download Submit
C:\Users\Admin\AppData\Roaming\Dllhost.exe
Filesize
43KB

MD5
eb1d61d4808ba559e096aa3ee3de3509

SHA1
b19fa5479433d4b180994fd0a9ace2fdfbca807a

SHA256
d21436909e84bf1340fcfce87fc8cde6456b1b464ee821e969ef64800e684e30

SHA512
4a7a12a65e7bf806555e4c1faec969baf23aa6176e37cf11f96cb947e273a94a22686d1a3ecc5d5d2dd1b5ff5476a9cb4d254886b22a28799270d088f5e29b6f

Download Submit
\Users\Admin\AppData\Roaming\Dllhost.exe
Filesize
43KB

MD5
eb1d61d4808ba559e096aa3ee3de3509

SHA1
b19fa5479433d4b180994fd0a9ace2fdfbca807a

SHA256
d21436909e84bf1340fcfce87fc8cde6456b1b464ee821e969ef64800e684e30

SHA512
4a7a12a65e7bf806555e4c1faec969baf23aa6176e37cf11f96cb947e273a94a22686d1a3ecc5d5d2dd1b5ff5476a9cb4d254886b22a28799270d088f5e29b6f

Download Submit
memory/324-54-0x0000000076191000-0x0000000076193000-memory.dmp

Filesize
8KB

Download
memory/324-55-0x0000000074580000-0x0000000074B2B000-memory.dmp

Filesize
5.7MB

Download
memory/940-57-0x0000000000000000-mapping.dmp

Download
memory/940-61-0x0000000074580000-0x0000000074B2B000-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