sheetrat | 8b75a5f87e2421ff44b5e10386729dd4aa09d22e0501fe9e9a140a45c94ee41d

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
10/07/2026, 18:35

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General

Target
cwp47cnctcad2l0t.exe
Size 61KB
Sample260710-w8d7sahx21
SHA256 8b75a5f87e2421ff44b5e10386729dd4aa09d22e0501fe9e9a140a45c94ee41d
MD5 5a6a9d52741d9369f84c883d9a035ac0
SHA1 ea152dbf0f35925584315c4205836072011fa9e3
SHA512 c44f320e123a6646ee1bf1e76182c824b20ae66bbaf7479e327161be1d4969b1fc95d4c45f548fe3cfb637e5ddd4739f6907ee8b71c4109cecaa3b2a70063421
SSDEEP 1536:Gk3zKZfx0B8tKlvVvzAzywhSObnNd/Lpx7QIrNAOM3hMT:GkIfx0+tCvZlESObnNd/Lpx7lyQT
TLSH
T133535D053790AA11D9BF55BAC2D373A09734C3436942D70F1ECB90CA2F567D98E1ACEA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution sheetrat persistence trojan

Malware Config

Extracted

Family

sheetrat

Attributes

anti_virtual
false
certificate
i37xid3nohi4
exclusion_wd
true
hidden_file
true
key
mtwkip2jk
path_client
%ProgramFiles%\Service.exe
path_watch_dog
%Windows%\Bluetooth.exe
pump
false
rootkit
false
task_client
ShellHost
task_watch_dog
Wifi service
use_install_admin
true
user_init
true

Signatures

Family: Sheetrat, NonEuclid rat
Sheetrat aka NonEuclid RAT is a trojan written in C#.
trojan sheetrat

Detects Sheetrat Payload 2 IoCs

Sheetrat aka NonEuclid RAT is a trojan written in C#.

resource	yara_rule
behavioral2/memory/2720-0-0x000001CD7ED20000-0x000001CD7ED34000-memory.dmp	family_sheetrat_v1
behavioral2/files/0x0016000000024300-6.dat	family_sheetrat_v1

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Program Files\\Service.exe"	cwp47cnctcad2l0t.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Control Panel\International\Geo\Nation	cwp47cnctcad2l0t.exe

Executes dropped EXE 4 IoCs

pid	Process
1848	Service.exe
1652	Bluetooth.exe
4488	Service.exe
2940	Service.exe

Looks up external IP address via web service 7 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
18	icanhazip.com
49	api.ipify.org
62	api.ipify.org
5	api.ipify.org
6	api.ipify.org
7	api.ipify.org
17	icanhazip.com

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Service.exe	Service.exe
File created	C:\Program Files\Service.exe	cwp47cnctcad2l0t.exe
File opened for modification	C:\Program Files\Service.exe	cwp47cnctcad2l0t.exe
File opened for modification	C:\Program Files\Service.exe	Service.exe
File opened for modification	C:\Program Files\Service.exe	Bluetooth.exe
File opened for modification	C:\Program Files\Service.exe	Service.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Bluetooth.exe	Service.exe
File opened for modification	C:\Windows\Bluetooth.exe	Service.exe
File created	C:\Windows\Bluetooth.exe	cwp47cnctcad2l0t.exe
File opened for modification	C:\Windows\Bluetooth.exe	cwp47cnctcad2l0t.exe
File opened for modification	C:\Windows\Bluetooth.exe	Service.exe
File opened for modification	C:\Windows\Bluetooth.exe	Bluetooth.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	cwp47cnctcad2l0t.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4976	schtasks.exe
4016	schtasks.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	cwp47cnctcad2l0t.exe
Token: SeDebugPrivilege	1848	Service.exe
Token: SeDebugPrivilege	1652	Bluetooth.exe
Token: SeIncBasePriorityPrivilege	1848	Service.exe
Token: SeDebugPrivilege	4488	Service.exe
Token: SeDebugPrivilege	2940	Service.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 3044	2720	cwp47cnctcad2l0t.exe	88
PID 2720 wrote to memory of 4392	2720	cwp47cnctcad2l0t.exe	89
PID 4392 wrote to memory of 4976	4392	cmd.exe	92
PID 2720 wrote to memory of 1004	2720	cwp47cnctcad2l0t.exe	93
PID 1004 wrote to memory of 4016	1004	cmd.exe	95
PID 2720 wrote to memory of 1848	2720	cwp47cnctcad2l0t.exe	96

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\cwp47cnctcad2l0t.exe
"C:\Users\Admin\AppData\Local\Temp\cwp47cnctcad2l0t.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\SYSTEM32\CMD.exe
  "CMD" netsh advfirewall firewall add rule name=""P@'4<Sq4@a#4J" dir=in action=allow program="C:\Program Files\Service.exe" enable=yes & exit
  2⤵
  PID:3044
- C:\Windows\SYSTEM32\cmd.exe
  "cmd" /c schtasks /create /f /sc minute /mo 1 /tn "ShellHost" /tr "C:\Program Files\Service.exe" /RL HIGHEST & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4392
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc minute /mo 1 /tn "ShellHost" /tr "C:\Program Files\Service.exe" /RL HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4976
- C:\Windows\SYSTEM32\cmd.exe
  "cmd" /c schtasks /create /f /sc minute /mo 30 /tn "Wifi service" /tr "C:\Windows\Bluetooth.exe" /RL HIGHEST & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1004
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc minute /mo 30 /tn "Wifi service" /tr "C:\Windows\Bluetooth.exe" /RL HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4016
- C:\Program Files\Service.exe
  "C:\Program Files\Service.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:1848

C:\Windows\Bluetooth.exe
C:\Windows\Bluetooth.exe
1⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1652

C:\Program Files\Service.exe
"C:\Program Files\Service.exe"
1⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4488

C:\Program Files\Service.exe
"C:\Program Files\Service.exe"
1⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2940

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Service.exe

Path C:\Program Files\Service.exe
Size 61KB
SHA256 8b75a5f87e2421ff44b5e10386729dd4aa09d22e0501fe9e9a140a45c94ee41d
MD5 5a6a9d52741d9369f84c883d9a035ac0
SHA1 ea152dbf0f35925584315c4205836072011fa9e3
SHA512 c44f320e123a6646ee1bf1e76182c824b20ae66bbaf7479e327161be1d4969b1fc95d4c45f548fe3cfb637e5ddd4739f6907ee8b71c4109cecaa3b2a70063421
SSDEEP 1536:Gk3zKZfx0B8tKlvVvzAzywhSObnNd/Lpx7QIrNAOM3hMT:GkIfx0+tCvZlESObnNd/Lpx7lyQT
TLSH
T133535D053790AA11D9BF55BAC2D373A09734C3436942D70F1ECB90CA2F567D98E1ACEA
MD5 SHA1 SHA512 SSDEEP TLSH

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Service.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Service.exe.log
Size 1KB
SHA256 d049789c187b2f58c900eab10205bc037740dca8640ab40c314790fefaab66ff
MD5 f26118d675c61402c218ac6794d90a63
SHA1 ffc8d592f3ca8255ca5119eff5b576eb16ac7fac
SHA512 6f14b71dae095131053a1b590e60ccec4e14c47c745bf9d52de48988d7b93b1f50bbb6bac0222dc49e3e45def052b20be2d34e116991027718da2e0fb8eb45d0
TLSH
T17411CE723371F1D889163F072C68268417BF4724BA90EE0CB5A8626ED9364275F222F3
MD5 SHA1 SHA512 TLSH

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memory/1652-94-0x00000246C9A20000-0x00000246C9B22000-memory.dmp

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memory/1848-95-0x0000013040130000-0x0000013040232000-memory.dmp

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memory/2720-0-0x000001CD7ED20000-0x000001CD7ED34000-memory.dmp

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memory/2720-1-0x00007FFB7A7D0000-0x00007FFB7AA99000-memory.dmp

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memory/2720-90-0x00007FFB7A7D0000-0x00007FFB7AA99000-memory.dmp

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memory/2720-89-0x000001CD7FE50000-0x000001CD7FF52000-memory.dmp

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memory/2940-109-0x000001E834B70000-0x000001E834C72000-memory.dmp

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memory/4488-100-0x000002807FEB0000-0x000002807FFB2000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads