njrat | 0e75a9ec60d339fc643b40714046bb1c9dc1c1c157a44d3b94bb0b98bb41921a

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-10-2024 09:29

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General

Target

0e75a9ec60d339fc643b40714046bb1c9dc1c1c157a44d3b94bb0b98bb41921aN.exe
Size

93KB
MD5

f6f95bfaecdbfb10d9ef56a8d6cd9ae0
SHA1

aa61709c0ab2a542c67d3e40535141e40f7c379d
SHA256

0e75a9ec60d339fc643b40714046bb1c9dc1c1c157a44d3b94bb0b98bb41921a
SHA512

720a5336c44b9a6b0bff3d37bf5bdd31a1752b25d29e232ace012d2e0233224e9568422f9a0798dae1d4b92a82024c557066f7cb1f168fe1d8a9b8cd10ce7b34
SSDEEP

1536:UKLPA1h/T5+KGZ+LP+26T1jEwzGi1dDbD7gS:UKWT5rLPByCi1dr0

Score

10^/10

njrat сынмаминойподруги discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

СынМаминойПодруги

hakim32.ddns.net:2000

127.0.0.1:25565

Mutex

83abea5f0374d663ff7518802efaef03

Attributes

reg_key
83abea5f0374d663ff7518802efaef03
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Disables Task Manager via registry modification
evasion

Modifies Windows Firewall 2 TTPs 3 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2844	netsh.exe
2984	netsh.exe
1480	netsh.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\83abea5f0374d663ff7518802efaef03Windows Update.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\83abea5f0374d663ff7518802efaef03Windows Update.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
2812	server.exe

Loads dropped DLL 2 IoCs

pid	Process
2648	0e75a9ec60d339fc643b40714046bb1c9dc1c1c157a44d3b94bb0b98bb41921aN.exe
2648	0e75a9ec60d339fc643b40714046bb1c9dc1c1c157a44d3b94bb0b98bb41921aN.exe

Drops autorun.inf file 1 TTPs 4 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	C:\autorun.inf	server.exe
File created	F:\autorun.inf	server.exe
File opened for modification	F:\autorun.inf	server.exe
File created	C:\autorun.inf	server.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Explower.exe	server.exe
File created	C:\Windows\SysWOW64\Explower.exe	server.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 9 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
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	0e75a9ec60d339fc643b40714046bb1c9dc1c1c157a44d3b94bb0b98bb41921aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe
2812	server.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2812	server.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	server.exe
Token: 33	2812	server.exe
Token: SeIncBasePriorityPrivilege	2812	server.exe
Token: 33	2812	server.exe
Token: SeIncBasePriorityPrivilege	2812	server.exe
Token: 33	2812	server.exe
Token: SeIncBasePriorityPrivilege	2812	server.exe
Token: 33	2812	server.exe
Token: SeIncBasePriorityPrivilege	2812	server.exe
Token: 33	2812	server.exe
Token: SeIncBasePriorityPrivilege	2812	server.exe
Token: 33	2812	server.exe
Token: SeIncBasePriorityPrivilege	2812	server.exe
Token: 33	2812	server.exe
Token: SeIncBasePriorityPrivilege	2812	server.exe
Token: 33	2812	server.exe
Token: SeIncBasePriorityPrivilege	2812	server.exe
Token: 33	2812	server.exe
Token: SeIncBasePriorityPrivilege	2812	server.exe
Token: 33	2812	server.exe
Token: SeIncBasePriorityPrivilege	2812	server.exe
Token: 33	2812	server.exe
Token: SeIncBasePriorityPrivilege	2812	server.exe
Token: 33	2812	server.exe
Token: SeIncBasePriorityPrivilege	2812	server.exe
Token: 33	2812	server.exe
Token: SeIncBasePriorityPrivilege	2812	server.exe
Token: 33	2812	server.exe
Token: SeIncBasePriorityPrivilege	2812	server.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2812	2648	0e75a9ec60d339fc643b40714046bb1c9dc1c1c157a44d3b94bb0b98bb41921aN.exe	30
PID 2648 wrote to memory of 2812	2648	0e75a9ec60d339fc643b40714046bb1c9dc1c1c157a44d3b94bb0b98bb41921aN.exe	30
PID 2648 wrote to memory of 2812	2648	0e75a9ec60d339fc643b40714046bb1c9dc1c1c157a44d3b94bb0b98bb41921aN.exe	30
PID 2648 wrote to memory of 2812	2648	0e75a9ec60d339fc643b40714046bb1c9dc1c1c157a44d3b94bb0b98bb41921aN.exe	30
PID 2812 wrote to memory of 2844	2812	server.exe	31
PID 2812 wrote to memory of 2844	2812	server.exe	31
PID 2812 wrote to memory of 2844	2812	server.exe	31
PID 2812 wrote to memory of 2844	2812	server.exe	31
PID 2812 wrote to memory of 2984	2812	server.exe	33
PID 2812 wrote to memory of 2984	2812	server.exe	33
PID 2812 wrote to memory of 2984	2812	server.exe	33
PID 2812 wrote to memory of 2984	2812	server.exe	33
PID 2812 wrote to memory of 1480	2812	server.exe	35
PID 2812 wrote to memory of 1480	2812	server.exe	35
PID 2812 wrote to memory of 1480	2812	server.exe	35
PID 2812 wrote to memory of 1480	2812	server.exe	35

C:\Users\Admin\AppData\Local\Temp\0e75a9ec60d339fc643b40714046bb1c9dc1c1c157a44d3b94bb0b98bb41921aN.exe
"C:\Users\Admin\AppData\Local\Temp\0e75a9ec60d339fc643b40714046bb1c9dc1c1c157a44d3b94bb0b98bb41921aN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Drops autorun.inf file
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2812
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2844
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2984
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:1480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
93KB

MD5
f6f95bfaecdbfb10d9ef56a8d6cd9ae0

SHA1
aa61709c0ab2a542c67d3e40535141e40f7c379d

SHA256
0e75a9ec60d339fc643b40714046bb1c9dc1c1c157a44d3b94bb0b98bb41921a

SHA512
720a5336c44b9a6b0bff3d37bf5bdd31a1752b25d29e232ace012d2e0233224e9568422f9a0798dae1d4b92a82024c557066f7cb1f168fe1d8a9b8cd10ce7b34

Download Submit
C:\Users\Admin\AppData\Roaming\app

Filesize
5B

MD5
2099bb64fd1770d321df364f99b658d1

SHA1
3124edeaa14c060becfa8b980ed77db15d56a9e3

SHA256
d53ce6bdbd0c3cb4596ac3103f15824570a9858da95f63cedf64cec11dc44e2d

SHA512
3481f2a02f7b1255ad0f3cd8a716de9c7414753b6f8657f0bf99738ff6623f8717469bc10e737d6c0d1d13846e726d50baeb5e8ef73efcfce7be5c63327c4895

Download Submit
memory/2648-0-0x0000000074051000-0x0000000074052000-memory.dmp

Filesize
4KB

Download
memory/2648-1-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2648-2-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2648-14-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2812-16-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2812-15-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2812-38-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download