echelon | 3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74

Analysis

max time kernel
151s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
30-03-2024 01:22

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General

Target

3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
Size

1.5MB
MD5

b48e703173ef1528c021f5378342fed3
SHA1

86c4f91ced9e9090ef17e0a2c1c1f494ddd61e93
SHA256

3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74
SHA512

ab6932abcc92ae8b9404fe54e421c28f59820eba63054ea10ab81c49db739f79a82237f77dfe8527727ba2e30fa12af8bcfc99f23891a3988a73386d46361075
SSDEEP

24576:PFOa+nsJ39LyjbJkQFMhmC+6GD9iS0NYTuothhUF54clNf7zBl:tSnsHyjtk2MYC5GDgIo54cl9z

Score

10^/10

echelon evasion persistence spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 7 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe	family_echelon
behavioral2/memory/2332-118-0x0000000000400000-0x0000000000560000-memory.dmp	family_echelon
C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe	family_echelon
behavioral2/memory/2604-180-0x0000013F5C850000-0x0000013F5C8F4000-memory.dmp	family_echelon
behavioral2/memory/4364-213-0x0000000000400000-0x0000000000560000-memory.dmp	family_echelon
behavioral2/memory/4364-229-0x0000000000400000-0x0000000000560000-memory.dmp	family_echelon
behavioral2/memory/4364-245-0x0000000000400000-0x0000000000560000-memory.dmp	family_echelon

Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
stealer spyware echelon

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Processes:

explorer.exesvchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Checks computer location settings 2 TTPs 5 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe Synaptics.exe._cache_Synaptics.exeDecoder.exesystems32.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
Key value queried	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation	Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation	._cache_Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation	Decoder.exe
Key value queried	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation	systems32.exe

Drops startup file 2 IoCs

Processes:

Decoder.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\windows driver update.exe	Decoder.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\windows driver update.exe	Decoder.exe

Executes dropped EXE 10 IoCs

Processes:

3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe icsys.icn.exeexplorer.exespoolsv.exesvchost.exespoolsv.exeSynaptics.exe._cache_Synaptics.exeDecoder.exesystems32.exe

pid	process
2332	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4760	icsys.icn.exe
4136	explorer.exe
1772	spoolsv.exe
5072	svchost.exe
4596	spoolsv.exe
4364	Synaptics.exe
2604	._cache_Synaptics.exe
2192	Decoder.exe
117064	systems32.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explorer.exesvchost.exe3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	explorer.exe

Drops file in System32 directory 2 IoCs

Processes:

explorer.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe

Drops file in Windows directory 5 IoCs

Processes:

spoolsv.exeexplorer.exe3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exeicsys.icn.exe

description	ioc	process
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.exe
File opened for modification	C:\Windows\Resources\Themes\icsys.icn.exe	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	icsys.icn.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1912 schtasks.exe
118020 schtasks.exe
Delays execution with timeout.exe 2 IoCs
evasion

Processes:

timeout.exetimeout.exe

pid process

908 timeout.exe
5032 timeout.exe

pid	process
1912	schtasks.exe
118020	schtasks.exe

pid	process
908	timeout.exe
5032	timeout.exe

Modifies registry class 2 IoCs

Processes:

3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe Synaptics.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exeicsys.icn.exe

pid	process
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4760	icsys.icn.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

explorer.exesvchost.exe

pid process

4136 explorer.exe
5072 svchost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Decoder.exesystems32.exe

description pid process

Token: SeDebugPrivilege 2192 Decoder.exe
Token: SeDebugPrivilege 117064 systems32.exe

pid	process
4136	explorer.exe
5072	svchost.exe

description	pid	process
Token: SeDebugPrivilege	2192	Decoder.exe
Token: SeDebugPrivilege	117064	systems32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exeicsys.icn.exeexplorer.exespoolsv.exesvchost.exespoolsv.exe

pid	process
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
4760	icsys.icn.exe
4760	icsys.icn.exe
4136	explorer.exe
4136	explorer.exe
1772	spoolsv.exe
1772	spoolsv.exe
5072	svchost.exe
5072	svchost.exe
4596	spoolsv.exe
4596	spoolsv.exe

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exeicsys.icn.exeexplorer.exespoolsv.exesvchost.exe3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe Synaptics.exe._cache_Synaptics.execmd.execmd.exeDecoder.exesystems32.exe

description	pid	process	target process
PID 4984 wrote to memory of 2332	4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
PID 4984 wrote to memory of 2332	4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
PID 4984 wrote to memory of 2332	4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
PID 4984 wrote to memory of 4760	4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe	icsys.icn.exe
PID 4984 wrote to memory of 4760	4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe	icsys.icn.exe
PID 4984 wrote to memory of 4760	4984	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe	icsys.icn.exe
PID 4760 wrote to memory of 4136	4760	icsys.icn.exe	explorer.exe
PID 4760 wrote to memory of 4136	4760	icsys.icn.exe	explorer.exe
PID 4760 wrote to memory of 4136	4760	icsys.icn.exe	explorer.exe
PID 4136 wrote to memory of 1772	4136	explorer.exe	spoolsv.exe
PID 4136 wrote to memory of 1772	4136	explorer.exe	spoolsv.exe
PID 4136 wrote to memory of 1772	4136	explorer.exe	spoolsv.exe
PID 1772 wrote to memory of 5072	1772	spoolsv.exe	svchost.exe
PID 1772 wrote to memory of 5072	1772	spoolsv.exe	svchost.exe
PID 1772 wrote to memory of 5072	1772	spoolsv.exe	svchost.exe
PID 5072 wrote to memory of 4596	5072	svchost.exe	spoolsv.exe
PID 5072 wrote to memory of 4596	5072	svchost.exe	spoolsv.exe
PID 5072 wrote to memory of 4596	5072	svchost.exe	spoolsv.exe
PID 2332 wrote to memory of 4364	2332	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe	Synaptics.exe
PID 2332 wrote to memory of 4364	2332	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe	Synaptics.exe
PID 2332 wrote to memory of 4364	2332	3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe	Synaptics.exe
PID 4364 wrote to memory of 2604	4364	Synaptics.exe	._cache_Synaptics.exe
PID 4364 wrote to memory of 2604	4364	Synaptics.exe	._cache_Synaptics.exe
PID 2604 wrote to memory of 2192	2604	._cache_Synaptics.exe	Decoder.exe
PID 2604 wrote to memory of 2192	2604	._cache_Synaptics.exe	Decoder.exe
PID 2604 wrote to memory of 1532	2604	._cache_Synaptics.exe	cmd.exe
PID 2604 wrote to memory of 1532	2604	._cache_Synaptics.exe	cmd.exe
PID 2604 wrote to memory of 3912	2604	._cache_Synaptics.exe	cmd.exe
PID 2604 wrote to memory of 3912	2604	._cache_Synaptics.exe	cmd.exe
PID 1532 wrote to memory of 908	1532	cmd.exe	timeout.exe
PID 1532 wrote to memory of 908	1532	cmd.exe	timeout.exe
PID 3912 wrote to memory of 5032	3912	cmd.exe	timeout.exe
PID 3912 wrote to memory of 5032	3912	cmd.exe	timeout.exe
PID 2192 wrote to memory of 1912	2192	Decoder.exe	schtasks.exe
PID 2192 wrote to memory of 1912	2192	Decoder.exe	schtasks.exe
PID 117064 wrote to memory of 118020	117064	systems32.exe	schtasks.exe
PID 117064 wrote to memory of 118020	117064	systems32.exe	schtasks.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
"C:\Users\Admin\AppData\Local\Temp\3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4984
- \??\c:\users\admin\appdata\local\temp\3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
  c:\users\admin\appdata\local\temp\3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2332
- - C:\ProgramData\Synaptics\Synaptics.exe
    "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:4364
  - - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:2604
    - - C:\ProgramData\Decoder.exe
        
        "C:\ProgramData\Decoder.exe"
        5⤵
        Checks computer location settings
        Drops startup file
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2192
      - C:\Windows\System32\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /tn "Windows Services" /tr "\systems32_bit\systems32.exe" /f
        6⤵
        Creates scheduled task(s)
        
        PID:1912
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\.cmd""
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1532
      - C:\Windows\system32\timeout.exe
        
        timeout 4
        6⤵
        Delays execution with timeout.exe
        
        PID:908
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8B19.tmp.cmd""
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3912
      - C:\Windows\system32\timeout.exe
        
        timeout 4
        6⤵
        Delays execution with timeout.exe
        
        PID:5032
- C:\Windows\Resources\Themes\icsys.icn.exe
  C:\Windows\Resources\Themes\icsys.icn.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4760
- - \??\c:\windows\resources\themes\explorer.exe
    c:\windows\resources\themes\explorer.exe
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in System32 directory
    - Drops file in Windows directory
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4136
  - - \??\c:\windows\resources\spoolsv.exe
      c:\windows\resources\spoolsv.exe SE
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1772
    - - \??\c:\windows\resources\svchost.exe
        
        c:\windows\resources\svchost.exe
        5⤵
        Modifies visiblity of hidden/system files in Explorer
        Executes dropped EXE
        Adds Run key to start application
        Drops file in System32 directory
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:5072
      - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        6⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:4596

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=752 --field-trial-handle=2808,i,4621512294509789388,1545966267740426092,262144 --variations-seed-version /prefetch:8
1⤵
PID:109336

C:\systems32_bit\systems32.exe
\systems32_bit\systems32.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:117064
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /tn "Windows Services" /tr "\systems32_bit\systems32.exe" /f
  2⤵
  - Creates scheduled task(s)
  PID:118020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Decoder.exe

Filesize
39KB

MD5
e753a9a4c3a393d9eccc31e5c6aded66

SHA1
5501ae71598925711dbee54f6ee1c827dd01d845

SHA256
52773fccbe6883ca7465ffe857c3fe7193521f0807bd8462f95bd4ad73be9867

SHA512
ee03d79cd24db07c3466cc602a657c9eb33119267b591a64a0d9215e3a80a24e3c435275ccfb5ffd7356def5bf717c5f2d8bc9a5b2daf1950ecf951b5e614c2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe

Filesize
631KB

MD5
2ecf15082145d0711dba34265ee7a4ce

SHA1
4396b4e15867db2f4bd3c2b307840184f893cf17

SHA256
a93ff2073d5d3147c9c2e58fb5b5dabc156fdff20c626d2585932fc511703468

SHA512
c412503982b989b6bce81b90e1fc839e5601fab1268e768eb812ae34118e1c48cf79359054ba2cb60da676d99f2efdf1c9549a203ea234c7388712928c7562d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\.cmd

Filesize
28B

MD5
217407484aac2673214337def8886072

SHA1
0f8c4c94064ce1f7538c43987feb5bb2d7fec0c6

SHA256
467c28ed423f513128575b1c8c6674ee5671096ff1b14bc4c32deebd89fc1797

SHA512
8466383a1cb71ea8b049548fd5a41aaf01c0423743b886cd3cb5007f66bff87d8d5cfa67344451f4490c8f26e4ebf9e306075d5cfc655dc62f0813a456cf1330

Download Submit
C:\Users\Admin\AppData\Local\Temp\3bc1d00f0674053b830c8f7dd0524c7cc9e9bc903d8b8ed68ada0a0bfcea8f74.exe

Filesize
1.4MB

MD5
1120682075df316620a28c0198cef6a4

SHA1
a6cd55e02f1fd57de0bc08386f7faa6460033f65

SHA256
2b692ee54ae1326f68226042e2ec048b66beea4e20afd5f18750c2730cb8555a

SHA512
54d9458ae7751e4d07112d99dd24aa22859377e2005285f2c5dfa7d1fa830ee960850cf5254023456126360139b46ecacba02cd6113aa371c9e3d86569091c9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8B19.tmp.cmd

Filesize
131B

MD5
5b9e12b3bcf1205ffb4f5c9bbb0824d4

SHA1
57a06689b3a3d8ff20b846228a27603dfd887a70

SHA256
7fca4b8f56c6474ac8961126264d5b6799282ce709916e4099fd02f1bca33acd

SHA512
52643bd92dcfa89376c55382c29c10f019a6fd544d13ab57e84edd2a3503e162394e64a5d0509dd0624fd90b8d7458b11e6c89fbf1f5ae7dc8f09b92da895ba5

Download Submit
C:\Windows\Resources\Themes\explorer.exe

Filesize
135KB

MD5
86dcae6aea0dfc2deea201e65a7f600c

SHA1
327dad66e7e7896ce312904dbb45aa4ce1706495

SHA256
38e26316ba1689808fd66044c94c546984dbd4154805529e82f17ebef5961bc8

SHA512
9d6910b19309f42df99de0a30d347742e0123a6003479ba6872460ce2a442ad2a736f5293e3078d96e271c65ba438859cf0f12964e7ee78afdd1558c589ccb70

Download Submit
C:\Windows\Resources\Themes\icsys.icn.exe

Filesize
135KB

MD5
5a5f99e5c824c1137b3ab4b5bab4fe73

SHA1
423f3ce5205817f1526b10865b1fb196acbf81c3

SHA256
5dc470973a9e9ab655bbcbafbae0dac7848f3bbb68886689c0f1564faefca99e

SHA512
e224f9cea4606e657b7d2835017905c31cc72c1d445b19d0542f1ee5ff404cf615cb389573c37b548fbe99ab3bc4cec9cc0ff8f10b9b904475453e6526d03ec1

Download Submit
C:\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
5355f9c7b5658e18db247131b339662a

SHA1
75f36671e1fc4c44fe1be4cc8651d3a5ac3ad71d

SHA256
0389545f106e3ba15a43c21439d83e21e1c2c1c8ce09b70da235970b30e2eded

SHA512
1ad0ef3c1a5feae93523c6385ba6c19f1e8e8bd83b028026285ba2240aca7c1dc2a17ce2d383ff561aee329d8c9c00d99ed23798a220d0bd393fc38b2a0bd4a4

Download Submit
C:\Windows\Resources\svchost.exe

Filesize
135KB

MD5
af3d23c37967fbb6379127b0a2ea5923

SHA1
01ddb619110868a73ed1e55a65fae0d6f132d54b

SHA256
e4b550ca6686fdacb4c63bcc51a482e80d4bc00c0f8122c47ec594fd340fee11

SHA512
59abb086c5d3cebf939ab20c293003be2196f08c51bbaad763a1516b7fe204eb6f6028d27b79cf60fbbf2279e0aad25d3f2f490a1c32854871f668d2b005054d

Download Submit
memory/1772-106-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2192-216-0x00007FFBE4E90000-0x00007FFBE5951000-memory.dmp

Filesize
10.8MB

Download
memory/2192-209-0x0000000000A20000-0x0000000000A30000-memory.dmp

Filesize
64KB

Download
memory/2192-217-0x0000000000A20000-0x0000000000A30000-memory.dmp

Filesize
64KB

Download
memory/2192-204-0x00007FFBE4E90000-0x00007FFBE5951000-memory.dmp

Filesize
10.8MB

Download
memory/2192-203-0x00000000001E0000-0x00000000001F0000-memory.dmp

Filesize
64KB

Download
memory/2332-118-0x0000000000400000-0x0000000000560000-memory.dmp

Filesize
1.4MB

Download
memory/2332-9-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/2604-180-0x0000013F5C850000-0x0000013F5C8F4000-memory.dmp

Filesize
656KB

Download
memory/2604-183-0x0000013F76F00000-0x0000013F76F10000-memory.dmp

Filesize
64KB

Download
memory/2604-182-0x0000013F76F10000-0x0000013F76F86000-memory.dmp

Filesize
472KB

Download
memory/2604-181-0x00007FFBE4E90000-0x00007FFBE5951000-memory.dmp

Filesize
10.8MB

Download
memory/2604-206-0x00007FFBE4E90000-0x00007FFBE5951000-memory.dmp

Filesize
10.8MB

Download
memory/4136-23-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4364-214-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/4364-121-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/4364-213-0x0000000000400000-0x0000000000560000-memory.dmp

Filesize
1.4MB

Download
memory/4364-229-0x0000000000400000-0x0000000000560000-memory.dmp

Filesize
1.4MB

Download
memory/4364-245-0x0000000000400000-0x0000000000560000-memory.dmp

Filesize
1.4MB

Download
memory/4596-104-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4760-108-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4984-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4984-107-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/117064-222-0x00007FFBE4E90000-0x00007FFBE5951000-memory.dmp

Filesize
10.8MB

Download
memory/117064-223-0x000000001BF00000-0x000000001BF10000-memory.dmp

Filesize
64KB

Download
memory/117064-246-0x00007FFBE4E90000-0x00007FFBE5951000-memory.dmp

Filesize
10.8MB

Download
memory/117064-247-0x000000001BF00000-0x000000001BF10000-memory.dmp

Filesize
64KB

Download