njrat | 41f512f233557a55f2bd1e92f6fdd3e43375317201789640c0fdc6ea3dd39d7b

General

Target

41f512f233557a55f2bd1e92f6fdd3e43375317201789640c0fdc6ea3dd39d7b.exe
Size

29KB
MD5

ba9bc4dbe33ace6dac7b89d103c4ba6a
SHA1

c19f5251c82a6172d02e25b675c498a3dc31f8b1
SHA256

41f512f233557a55f2bd1e92f6fdd3e43375317201789640c0fdc6ea3dd39d7b
SHA512

e4d37daf96f7de65beaa330129830ca15a0bae0e0afe74b6618fec36bd873ba7f8142765f9503323aba546c8a4c59d398f082675f931ca578e7805bc9c0039e0
SSDEEP

768:FQv/27NYsDkfZPoIqlHepBKh0p29SgRCwD:Om7N143wEKhG29jCwD

Score

10^/10

njrat hacked defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

kaher.no-ip.biz:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2152	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
560	Trojan.exe

Loads dropped DLL 1 IoCs

pid	Process
2276	41f512f233557a55f2bd1e92f6fdd3e43375317201789640c0fdc6ea3dd39d7b.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\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).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	41f512f233557a55f2bd1e92f6fdd3e43375317201789640c0fdc6ea3dd39d7b.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe
560	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	560	Trojan.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 560	2276	41f512f233557a55f2bd1e92f6fdd3e43375317201789640c0fdc6ea3dd39d7b.exe	31
PID 2276 wrote to memory of 560	2276	41f512f233557a55f2bd1e92f6fdd3e43375317201789640c0fdc6ea3dd39d7b.exe	31
PID 2276 wrote to memory of 560	2276	41f512f233557a55f2bd1e92f6fdd3e43375317201789640c0fdc6ea3dd39d7b.exe	31
PID 2276 wrote to memory of 560	2276	41f512f233557a55f2bd1e92f6fdd3e43375317201789640c0fdc6ea3dd39d7b.exe	31
PID 560 wrote to memory of 2152	560	Trojan.exe	32
PID 560 wrote to memory of 2152	560	Trojan.exe	32
PID 560 wrote to memory of 2152	560	Trojan.exe	32
PID 560 wrote to memory of 2152	560	Trojan.exe	32

C:\Users\Admin\AppData\Local\Temp\41f512f233557a55f2bd1e92f6fdd3e43375317201789640c0fdc6ea3dd39d7b.exe
"C:\Users\Admin\AppData\Local\Temp\41f512f233557a55f2bd1e92f6fdd3e43375317201789640c0fdc6ea3dd39d7b.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2276
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:560
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
29KB

MD5
ba9bc4dbe33ace6dac7b89d103c4ba6a

SHA1
c19f5251c82a6172d02e25b675c498a3dc31f8b1

SHA256
41f512f233557a55f2bd1e92f6fdd3e43375317201789640c0fdc6ea3dd39d7b

SHA512
e4d37daf96f7de65beaa330129830ca15a0bae0e0afe74b6618fec36bd873ba7f8142765f9503323aba546c8a4c59d398f082675f931ca578e7805bc9c0039e0

Download Submit
memory/560-12-0x0000000074DF0000-0x000000007539B000-memory.dmp

Filesize
5.7MB

Download
memory/560-13-0x0000000074DF0000-0x000000007539B000-memory.dmp

Filesize
5.7MB

Download
memory/560-11-0x0000000074DF0000-0x000000007539B000-memory.dmp

Filesize
5.7MB

Download
memory/560-14-0x0000000074DF0000-0x000000007539B000-memory.dmp

Filesize
5.7MB

Download
memory/2276-0-0x0000000074DF1000-0x0000000074DF2000-memory.dmp

Filesize
4KB

Download
memory/2276-1-0x0000000074DF0000-0x000000007539B000-memory.dmp

Filesize
5.7MB

Download
memory/2276-2-0x0000000074DF0000-0x000000007539B000-memory.dmp

Filesize
5.7MB

Download
memory/2276-10-0x0000000074DF0000-0x000000007539B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads