njrat | 34f7f28ba032182b6791f6715af122c721f8faf65abeebc4916b75d92b4525a2

Analysis

max time kernel
148s
max time network
141s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 19:11

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General

Target

34f7f28ba032182b6791f6715af122c721f8faf65abeebc4916b75d92b4525a2.exe
Size

523KB
MD5

8303fbef6e3918300a97bdce8f902dac
SHA1

a7aab55f0753fd4ab2961c21abd3eddf27acc8f2
SHA256

34f7f28ba032182b6791f6715af122c721f8faf65abeebc4916b75d92b4525a2
SHA512

f3e4dcf49b712e067af05eb34fe7d5c56c1b879da32e98cdae8f02a1cd60d3b2415c9723051129995e65dbd54a683a11f3079e47b1bd50a9e32941da426cea39
SSDEEP

12288:dToPWBv/cpGrU3y/S9U7DzInZEiQIG/V/1WkRZ4p3nq6:dTbBv5rUQDzIntQIIF47

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

172.29.192.1:7733

Mutex

af8521d58cef2cc5d6031d0e5bd8a950

Attributes

reg_key
af8521d58cef2cc5d6031d0e5bd8a950
splitter
|'|'|

Signatures

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
2600	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\af8521d58cef2cc5d6031d0e5bd8a950.exe	Opera Crash Reporter.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\af8521d58cef2cc5d6031d0e5bd8a950.exe	Opera Crash Reporter.exe

Executes dropped EXE 3 IoCs

pid	Process
2996	ServerGREENNER-2.sfx.exe
2240	ServerGREENNER-2.exe
2580	Opera Crash Reporter.exe

Loads dropped DLL 5 IoCs

pid	Process
348	cmd.exe
2996	ServerGREENNER-2.sfx.exe
2996	ServerGREENNER-2.sfx.exe
2996	ServerGREENNER-2.sfx.exe
2240	ServerGREENNER-2.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 6 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	Opera Crash Reporter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	34f7f28ba032182b6791f6715af122c721f8faf65abeebc4916b75d92b4525a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ServerGREENNER-2.sfx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ServerGREENNER-2.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe
Token: 33	2580	Opera Crash Reporter.exe
Token: SeIncBasePriorityPrivilege	2580	Opera Crash Reporter.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 348	2348	34f7f28ba032182b6791f6715af122c721f8faf65abeebc4916b75d92b4525a2.exe	30
PID 2348 wrote to memory of 348	2348	34f7f28ba032182b6791f6715af122c721f8faf65abeebc4916b75d92b4525a2.exe	30
PID 2348 wrote to memory of 348	2348	34f7f28ba032182b6791f6715af122c721f8faf65abeebc4916b75d92b4525a2.exe	30
PID 2348 wrote to memory of 348	2348	34f7f28ba032182b6791f6715af122c721f8faf65abeebc4916b75d92b4525a2.exe	30
PID 348 wrote to memory of 2996	348	cmd.exe	32
PID 348 wrote to memory of 2996	348	cmd.exe	32
PID 348 wrote to memory of 2996	348	cmd.exe	32
PID 348 wrote to memory of 2996	348	cmd.exe	32
PID 2996 wrote to memory of 2240	2996	ServerGREENNER-2.sfx.exe	33
PID 2996 wrote to memory of 2240	2996	ServerGREENNER-2.sfx.exe	33
PID 2996 wrote to memory of 2240	2996	ServerGREENNER-2.sfx.exe	33
PID 2996 wrote to memory of 2240	2996	ServerGREENNER-2.sfx.exe	33
PID 2240 wrote to memory of 2580	2240	ServerGREENNER-2.exe	35
PID 2240 wrote to memory of 2580	2240	ServerGREENNER-2.exe	35
PID 2240 wrote to memory of 2580	2240	ServerGREENNER-2.exe	35
PID 2240 wrote to memory of 2580	2240	ServerGREENNER-2.exe	35
PID 2580 wrote to memory of 2600	2580	Opera Crash Reporter.exe	36
PID 2580 wrote to memory of 2600	2580	Opera Crash Reporter.exe	36
PID 2580 wrote to memory of 2600	2580	Opera Crash Reporter.exe	36
PID 2580 wrote to memory of 2600	2580	Opera Crash Reporter.exe	36

C:\Users\Admin\AppData\Local\Temp\34f7f28ba032182b6791f6715af122c721f8faf65abeebc4916b75d92b4525a2.exe
"C:\Users\Admin\AppData\Local\Temp\34f7f28ba032182b6791f6715af122c721f8faf65abeebc4916b75d92b4525a2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\ip.bat" "
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:348
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\ServerGREENNER-2.sfx.exe
    ServerGREENNER-2.sfx.exe -p111
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2996
  - - C:\Users\Admin\AppData\Local\Temp\RarSFX1\ServerGREENNER-2.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX1\ServerGREENNER-2.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2240
    - - C:\Users\Admin\AppData\Roaming\Opera Crash Reporter.exe
        
        "C:\Users\Admin\AppData\Roaming\Opera Crash Reporter.exe"
        5⤵
        Drops startup file
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2580
      - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Opera Crash Reporter.exe" "Opera Crash Reporter.exe" ENABLE
        6⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

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

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\ip.bat

Filesize
30B

MD5
a7ec260030472a979dbb07422145fdd2

SHA1
ceb879e31942ba97bda3664debef48c97c1e92e1

SHA256
e548908fc514d728c288c437be5634e316f99db269445ee65960a12064ab21b8

SHA512
2f954b6eef741514a0a71cc77750cb547e7a77e12211f056ed9166b77d8185189cda45cd54ed26decebfeebbb2c4a08d35c0a52e45b8a3958834b973b92ac57a

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\Users\Admin\AppData\Local\Temp\RarSFX0\ServerGREENNER-2.sfx.exe

Filesize
363KB

MD5
7f16adf83b19a808ff3748060a71a823

SHA1
014a21803c0603aa7ff5c3ab8ad166867584bd9a

SHA256
b2dd4dbffe743a3520e5084b699f07c2b5bfb71d30c9c75e3e16bac65d20f708

SHA512
5aaf027b3bd3282771807047d30464e60fa3a1103658d3e6782b9225658563b2aa83ed4b26da27d18ed93499856ec6feb583c878c682dd6c41d37a3f7415ad0b

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\Users\Admin\AppData\Local\Temp\RarSFX1\ServerGREENNER-2.exe

Filesize
91KB

MD5
e559e1d5860f3558388db382a059f523

SHA1
6bd93e947a56fcf83c9858c21af8898e29b801ba

SHA256
e5404b532a4aa2e35a3481025b75972031dfda9194d22fcd932bfdff45cd4936

SHA512
c11795656fe0a9cfe161cf2fdd38688d00805fd50f98eae559408e74eeeba15af8de92330bd850615fd753db24fcbdb0fdf45a4ecd8bfccfca46b7a3125b7f3d

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads