njrat | 34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560

General

Target

34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560.exe
Size

95KB
MD5

28cfadb2dc13d3274d30e5117757420f
SHA1

1364505c347631d3b33b36c9f6497abff3d35f2e
SHA256

34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560
SHA512

435bab82617962e03442de4b1c65af8291c3e633703670abaf6ad379e989c34724318f7fc12f4354b9557a82b06f86fc66f16a53b96dfc8b154f6f15aa3e491b
SSDEEP

1536:8+ZQMGdeUwljEoKayOxdcJx7OXMHwhkVfjobkZKQ5x1AkSpoHHNLHieBbq:8+ZQMtU9Jx7OXMHwhkVfjobkZKQ5x1Du

Score

10^/10

njrat scammer discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

scammer

C2

oxy01.linkpc.net:1177

Mutex

08f4dc96bbb7af09d1a37fe35c75a42f

Attributes

reg_key
08f4dc96bbb7af09d1a37fe35c75a42f
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2884	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2056	explorer.exe

Loads dropped DLL 1 IoCs

pid	Process
2580	34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560.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	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe
2056	explorer.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2056	explorer.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 2056	2580	34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560.exe	29
PID 2580 wrote to memory of 2056	2580	34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560.exe	29
PID 2580 wrote to memory of 2056	2580	34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560.exe	29
PID 2580 wrote to memory of 2056	2580	34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560.exe	29
PID 2056 wrote to memory of 2884	2056	explorer.exe	30
PID 2056 wrote to memory of 2884	2056	explorer.exe	30
PID 2056 wrote to memory of 2884	2056	explorer.exe	30
PID 2056 wrote to memory of 2884	2056	explorer.exe	30

C:\Users\Admin\AppData\Local\Temp\34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560.exe
"C:\Users\Admin\AppData\Local\Temp\34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Users\Admin\AppData\Local\Temp\explorer.exe
  "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2056
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

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

1

T1562.004

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
95KB

MD5
28cfadb2dc13d3274d30e5117757420f

SHA1
1364505c347631d3b33b36c9f6497abff3d35f2e

SHA256
34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560

SHA512
435bab82617962e03442de4b1c65af8291c3e633703670abaf6ad379e989c34724318f7fc12f4354b9557a82b06f86fc66f16a53b96dfc8b154f6f15aa3e491b

Download Submit
memory/2056-13-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2056-12-0x0000000001200000-0x0000000001220000-memory.dmp

Filesize
128KB

Download
memory/2056-14-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2056-15-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2056-16-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2580-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2580-1-0x00000000009F0000-0x0000000000A10000-memory.dmp

Filesize
128KB

Download
memory/2580-2-0x00000000003A0000-0x00000000003AE000-memory.dmp

Filesize
56KB

Download
memory/2580-3-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2580-11-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads