njrat | 578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93

General

Target

578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93.exe
Size

22KB
MD5

40a1f466f31cc1ef46edd731199024e9
SHA1

2240782749be39ff160beda6a07187257736a863
SHA256

578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93
SHA512

025eba410df39c8789d7120f6f00966f301c2d2a2348530b4a36677424cd4d7e5651c65628c6ffca14e9b1a8f349de9da93215705823ed84730e39503774d17a

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

ttaahhaa4321.ddns.net:1177

Mutex

064a642c9a7c8d589d5c1f13c59a2c38

Attributes

reg_key
064a642c9a7c8d589d5c1f13c59a2c38
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

556 server.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
556	server.exe

Loads dropped DLL 2 IoCs

Processes:

578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93.exe

pid	process
1988	578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93.exe
1988	578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93.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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\064a642c9a7c8d589d5c1f13c59a2c38 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\064a642c9a7c8d589d5c1f13c59a2c38 = "\"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 31 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	556	server.exe
Token: 33	556	server.exe
Token: SeIncBasePriorityPrivilege	556	server.exe
Token: 33	556	server.exe
Token: SeIncBasePriorityPrivilege	556	server.exe
Token: 33	556	server.exe
Token: SeIncBasePriorityPrivilege	556	server.exe
Token: 33	556	server.exe
Token: SeIncBasePriorityPrivilege	556	server.exe
Token: 33	556	server.exe
Token: SeIncBasePriorityPrivilege	556	server.exe
Token: 33	556	server.exe
Token: SeIncBasePriorityPrivilege	556	server.exe
Token: 33	556	server.exe
Token: SeIncBasePriorityPrivilege	556	server.exe
Token: 33	556	server.exe
Token: SeIncBasePriorityPrivilege	556	server.exe
Token: 33	556	server.exe
Token: SeIncBasePriorityPrivilege	556	server.exe
Token: 33	556	server.exe
Token: SeIncBasePriorityPrivilege	556	server.exe
Token: 33	556	server.exe
Token: SeIncBasePriorityPrivilege	556	server.exe
Token: 33	556	server.exe
Token: SeIncBasePriorityPrivilege	556	server.exe
Token: 33	556	server.exe
Token: SeIncBasePriorityPrivilege	556	server.exe
Token: 33	556	server.exe
Token: SeIncBasePriorityPrivilege	556	server.exe
Token: 33	556	server.exe
Token: SeIncBasePriorityPrivilege	556	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93.exeserver.exe

description	pid	process	target process
PID 1988 wrote to memory of 556	1988	578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93.exe	server.exe
PID 1988 wrote to memory of 556	1988	578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93.exe	server.exe
PID 1988 wrote to memory of 556	1988	578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93.exe	server.exe
PID 1988 wrote to memory of 556	1988	578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93.exe	server.exe
PID 556 wrote to memory of 1084	556	server.exe	netsh.exe
PID 556 wrote to memory of 1084	556	server.exe	netsh.exe
PID 556 wrote to memory of 1084	556	server.exe	netsh.exe
PID 556 wrote to memory of 1084	556	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93.exe
"C:\Users\Admin\AppData\Local\Temp\578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1988

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:556

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
PID:1084

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
40a1f466f31cc1ef46edd731199024e9

SHA1
2240782749be39ff160beda6a07187257736a863

SHA256
578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93

SHA512
025eba410df39c8789d7120f6f00966f301c2d2a2348530b4a36677424cd4d7e5651c65628c6ffca14e9b1a8f349de9da93215705823ed84730e39503774d17a

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
MD5
40a1f466f31cc1ef46edd731199024e9

SHA1
2240782749be39ff160beda6a07187257736a863

SHA256
578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93

SHA512
025eba410df39c8789d7120f6f00966f301c2d2a2348530b4a36677424cd4d7e5651c65628c6ffca14e9b1a8f349de9da93215705823ed84730e39503774d17a

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe
MD5
40a1f466f31cc1ef46edd731199024e9

SHA1
2240782749be39ff160beda6a07187257736a863

SHA256
578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93

SHA512
025eba410df39c8789d7120f6f00966f301c2d2a2348530b4a36677424cd4d7e5651c65628c6ffca14e9b1a8f349de9da93215705823ed84730e39503774d17a

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe
MD5
40a1f466f31cc1ef46edd731199024e9

SHA1
2240782749be39ff160beda6a07187257736a863

SHA256
578be22ecfe0f4d1535ffbd827276d4ef93e93c6ac9bd33f55febdd72dbc9b93

SHA512
025eba410df39c8789d7120f6f00966f301c2d2a2348530b4a36677424cd4d7e5651c65628c6ffca14e9b1a8f349de9da93215705823ed84730e39503774d17a

Download Submit
memory/556-63-0x0000000000000000-mapping.dmp

Download
memory/556-67-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1084-68-0x0000000000000000-mapping.dmp

Download
memory/1988-59-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download
memory/1988-60-0x0000000000460000-0x0000000000461000-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