njrat | 74fee0b97787c89b9bdd8e8fd113d2ce8c243c3027f306d65fd1e253624b4463

General

Target

74fee0b97787c89b9bdd8e8fd113d2ce8c243c3027f306d65fd1e253624b4463.exe
Size

532KB
MD5

6f95c1d8908861855aba0e849f601290
SHA1

daa89de30f709202c68588b22f1fdb2991bf8151
SHA256

74fee0b97787c89b9bdd8e8fd113d2ce8c243c3027f306d65fd1e253624b4463
SHA512

9c2b087984627e90d8bed63b8e3753e99440755164f0b695932a1bd983706a6fb5d5c034c54c5468661038c88c170ee651b5c5fa798e567b2a306208b0481fe7
SSDEEP

12288:lyaEWJ9NDX9h1RorjjOxuDKTEsgsfPdfQsLaUAKAP0F5E1Z:UWZX9h1RorGxyA6sfPdfzAKFE1

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

127.0.0.1:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
splitter
|'|'|

Signatures

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

Processes:

Trojan.exe

pid process

1996 Trojan.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

996 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

74fee0b97787c89b9bdd8e8fd113d2ce8c243c3027f306d65fd1e253624b4463.exe

pid process

1688 74fee0b97787c89b9bdd8e8fd113d2ce8c243c3027f306d65fd1e253624b4463.exe

pid	process
1996	Trojan.exe

pid	process
996	netsh.exe

pid	process
1688	74fee0b97787c89b9bdd8e8fd113d2ce8c243c3027f306d65fd1e253624b4463.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Trojan.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.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: EnumeratesProcesses 9 IoCs

Processes:

Trojan.exe

pid process

1996 Trojan.exe
1996 Trojan.exe
1996 Trojan.exe
1996 Trojan.exe
1996 Trojan.exe
1996 Trojan.exe
1996 Trojan.exe
1996 Trojan.exe
1996 Trojan.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Trojan.exe

description pid process

Token: SeDebugPrivilege 1996 Trojan.exe

pid	process
1996	Trojan.exe
1996	Trojan.exe
1996	Trojan.exe
1996	Trojan.exe
1996	Trojan.exe
1996	Trojan.exe
1996	Trojan.exe
1996	Trojan.exe
1996	Trojan.exe

description	pid	process
Token: SeDebugPrivilege	1996	Trojan.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

74fee0b97787c89b9bdd8e8fd113d2ce8c243c3027f306d65fd1e253624b4463.exeTrojan.exe

description	pid	process	target process
PID 1688 wrote to memory of 1996	1688	74fee0b97787c89b9bdd8e8fd113d2ce8c243c3027f306d65fd1e253624b4463.exe	Trojan.exe
PID 1688 wrote to memory of 1996	1688	74fee0b97787c89b9bdd8e8fd113d2ce8c243c3027f306d65fd1e253624b4463.exe	Trojan.exe
PID 1688 wrote to memory of 1996	1688	74fee0b97787c89b9bdd8e8fd113d2ce8c243c3027f306d65fd1e253624b4463.exe	Trojan.exe
PID 1688 wrote to memory of 1996	1688	74fee0b97787c89b9bdd8e8fd113d2ce8c243c3027f306d65fd1e253624b4463.exe	Trojan.exe
PID 1996 wrote to memory of 996	1996	Trojan.exe	netsh.exe
PID 1996 wrote to memory of 996	1996	Trojan.exe	netsh.exe
PID 1996 wrote to memory of 996	1996	Trojan.exe	netsh.exe
PID 1996 wrote to memory of 996	1996	Trojan.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\74fee0b97787c89b9bdd8e8fd113d2ce8c243c3027f306d65fd1e253624b4463.exe
"C:\Users\Admin\AppData\Local\Temp\74fee0b97787c89b9bdd8e8fd113d2ce8c243c3027f306d65fd1e253624b4463.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1688

C:\Users\Admin\AppData\Local\Temp\Trojan.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:996

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Trojan.exe
Filesize
532KB

MD5
6f95c1d8908861855aba0e849f601290

SHA1
daa89de30f709202c68588b22f1fdb2991bf8151

SHA256
74fee0b97787c89b9bdd8e8fd113d2ce8c243c3027f306d65fd1e253624b4463

SHA512
9c2b087984627e90d8bed63b8e3753e99440755164f0b695932a1bd983706a6fb5d5c034c54c5468661038c88c170ee651b5c5fa798e567b2a306208b0481fe7

Download Submit
C:\Users\Admin\AppData\Local\Temp\Trojan.exe
Filesize
532KB

MD5
6f95c1d8908861855aba0e849f601290

SHA1
daa89de30f709202c68588b22f1fdb2991bf8151

SHA256
74fee0b97787c89b9bdd8e8fd113d2ce8c243c3027f306d65fd1e253624b4463

SHA512
9c2b087984627e90d8bed63b8e3753e99440755164f0b695932a1bd983706a6fb5d5c034c54c5468661038c88c170ee651b5c5fa798e567b2a306208b0481fe7

Download Submit
\Users\Admin\AppData\Local\Temp\Trojan.exe
Filesize
532KB

MD5
6f95c1d8908861855aba0e849f601290

SHA1
daa89de30f709202c68588b22f1fdb2991bf8151

SHA256
74fee0b97787c89b9bdd8e8fd113d2ce8c243c3027f306d65fd1e253624b4463

SHA512
9c2b087984627e90d8bed63b8e3753e99440755164f0b695932a1bd983706a6fb5d5c034c54c5468661038c88c170ee651b5c5fa798e567b2a306208b0481fe7

Download Submit
memory/996-65-0x0000000000000000-mapping.dmp

Download
memory/1688-54-0x0000000000980000-0x0000000000A0C000-memory.dmp

Filesize
560KB

Download
memory/1688-55-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1688-56-0x0000000000370000-0x00000000003AA000-memory.dmp

Filesize
232KB

Download
memory/1688-57-0x00000000046E0000-0x0000000004788000-memory.dmp

Filesize
672KB

Download
memory/1688-58-0x00000000003B0000-0x00000000003BE000-memory.dmp

Filesize
56KB

Download
memory/1996-60-0x0000000000000000-mapping.dmp

Download
memory/1996-63-0x0000000000E50000-0x0000000000EDC000-memory.dmp

Filesize
560KB

Download

Analysis

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