Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
21/04/2026, 15:25
Behavioral task
behavioral1
Sample
6889770684_NursultanCrack.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
6889770684_NursultanCrack.exe
Resource
win11-20260130-en
General
- Target 6889770684_NursultanCrack.exe
- Size 246KB
- Sample260421-stk51act2t
- SHA256 02bb781d92aa8a8644820c8ee31bc9bc885f4d53266e1912e784e2af11d69637
- MD5 3ea62c8d8215ddeb16e5fdf2f5f5a4d5
- SHA1 9e0549f7ad3452741697a61252e5abf99a46e9d9
- SHA512 4c7d2302512851161d880ab82dae9c25e31341a38b87162322588e157c6f33aad84d39218b0887f2eb10b0b6c9572581a7b037cb04785ea56e6352e4ca4c27ef
- SSDEEP 6144:JO273LKPV/sg974xldGRbc75rSuyiABxb8:ZrLC/N9adyc75rz+B
- TLSH T19134E084B784DB57F37E4A35C122673083B6779B8553834A3EE9C0C9AF1A3D14912DAA
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
sheetrat
-
anti_virtual
false
-
certificate
q9c4ibl3wvtm5
-
exclusion_wd
false
-
hidden_file
true
-
key
7dq1sg3
-
path_client
%ProgramFiles%\xdwdSearch.exe
-
path_watch_dog
%Windows%\Searcher.exe
-
pump
true
-
rootkit
0vz2oiloklix5md7x64
-
task_client
ShellHost
-
task_watch_dog
CookieManager
-
use_install_admin
true
-
user_init
true
Signatures
- Detects Sheetrat Payload 1 IoCs
Sheetrat aka NonEuclid RAT is a trojan written in C#.
resource yara_rule behavioral2/memory/2008-0-0x000002056E3F0000-0x000002056E434000-memory.dmp family_sheetrat_v1 - Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Program Files\\xdwdSearch.exe" 6889770684_NursultanCrack.exe - Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
- Executes dropped EXE 4 IoCs
pid Process 1720 Searcher.exe 1452 xdwdSearch.exe 764 xdwdSearch.exe 3396 xdwdSearch.exe - Loads dropped DLL 6 IoCs
pid Process 3672 Process not Found 4576 Process not Found 1720 Searcher.exe 1452 xdwdSearch.exe 764 xdwdSearch.exe 3396 xdwdSearch.exe - Looks up external IP address via web service 8 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 50 api.ipify.org 1 api.ipify.org 1 icanhazip.com 1 ipinfo.io 4 ipinfo.io 5 api.ipify.org 7 icanhazip.com 23 api.ipify.org - Drops file in Program Files directory 6 IoCs
description ioc Process File opened for modification C:\Program Files\xdwdSearch.exe 6889770684_NursultanCrack.exe File opened for modification C:\Program Files\xdwdSearch.exe Searcher.exe File opened for modification C:\Program Files\xdwdSearch.exe xdwdSearch.exe File opened for modification C:\Program Files\xdwdSearch.exe xdwdSearch.exe File opened for modification C:\Program Files\xdwdSearch.exe xdwdSearch.exe File created C:\Program Files\xdwdSearch.exe 6889770684_NursultanCrack.exe - Drops file in Windows directory 8 IoCs
description ioc Process File created C:\Windows\Searcher.exe 6889770684_NursultanCrack.exe File opened for modification C:\Windows\xdwd.dll 6889770684_NursultanCrack.exe File opened for modification C:\Windows\Searcher.exe Searcher.exe File opened for modification C:\Windows\Searcher.exe xdwdSearch.exe File opened for modification C:\Windows\Searcher.exe xdwdSearch.exe File opened for modification C:\Windows\Searcher.exe 6889770684_NursultanCrack.exe File created C:\Windows\xdwd.dll 6889770684_NursultanCrack.exe File opened for modification C:\Windows\Searcher.exe xdwdSearch.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 6889770684_NursultanCrack.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1172 schtasks.exe 3996 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1720 Searcher.exe 1720 Searcher.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2008 6889770684_NursultanCrack.exe Token: SeDebugPrivilege 1720 Searcher.exe Token: SeDebugPrivilege 1452 xdwdSearch.exe Token: SeIncBasePriorityPrivilege 1452 xdwdSearch.exe Token: SeDebugPrivilege 764 xdwdSearch.exe Token: SeDebugPrivilege 3396 xdwdSearch.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2008 wrote to memory of 3788 2008 6889770684_NursultanCrack.exe 81 PID 2008 wrote to memory of 4756 2008 6889770684_NursultanCrack.exe 83 PID 4756 wrote to memory of 1172 4756 cmd.exe 85 PID 2008 wrote to memory of 1148 2008 6889770684_NursultanCrack.exe 86 PID 1148 wrote to memory of 3996 1148 cmd.exe 88 PID 2008 wrote to memory of 1452 2008 6889770684_NursultanCrack.exe 92 - 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.
Processes
-
C:\Users\Admin\AppData\Local\Temp\6889770684_NursultanCrack.exe"C:\Users\Admin\AppData\Local\Temp\6889770684_NursultanCrack.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Windows\SYSTEM32\CMD.exe"CMD" netsh advfirewall firewall add rule name="p} \0ye50 2>0]" dir=in action=allow program="C:\Program Files\xdwdSearch.exe" enable=yes & exit2⤵PID:3788
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "ShellHost" /tr "C:\Program Files\xdwdSearch.exe" /RL HIGHEST & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4756 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "ShellHost" /tr "C:\Program Files\xdwdSearch.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
PID:1172
-
-
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 30 /tn "CookieManager" /tr "C:\Windows\Searcher.exe" /RL HIGHEST & exit2⤵
- Suspicious use of WriteProcessMemory
PID:1148 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 30 /tn "CookieManager" /tr "C:\Windows\Searcher.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
PID:3996
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-
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C:\Program Files\xdwdSearch.exe"C:\Program Files\xdwdSearch.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1452
-
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C:\Windows\Searcher.exeC:\Windows\Searcher.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1720
-
C:\Program Files\xdwdSearch.exe"C:\Program Files\xdwdSearch.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:764
-
C:\Program Files\xdwdSearch.exe"C:\Program Files\xdwdSearch.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3396
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\xdwdSearch.exe.log
- Size 1KB
- SHA256 8b410de677f095f88c42c69c716a9383b94ceb86ca90666188fcd4f4df7fc9fa
- MD5 5dd6ecdc4507cc0f897cded9ebeb94b4
- SHA1 afd42365a5a8fa71f506a3d34960f8ed459cfd86
- SHA512 078e5c9b8062420ef2c3a3a816961e957b0daa7f7a2ecd92689d0399febda98a0c727d1cd9b286adce1c132b9efbd383179867cc494831d4679d9e3805d51a06
- TLSH T14011AB722371B1D489163F43295C568827FF4319B550EE0CBAA8B21ED82B41B6F322F3
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\xdwd.dll
- Size 136KB
- SHA256 35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66
- MD5 16e5a492c9c6ae34c59683be9c51fa31
- SHA1 97031b41f5c56f371c28ae0d62a2df7d585adaba
- SHA512 20fd369172ef5e3e2fde388666b42e8fe5f0c2bfa338c0345f45e98af6561a249ba3ecc48c3f16efcc73f02ecb67b3ddb1e2e8f0e77d18fa00ac34e6379e50b6
- SSDEEP 3072:t0iX+jLyDcqaH9a6DFHo6MjD7VbZaZaZ8Xwlk4MHWZpt:t07yDSvdoRj2up
- TLSH T151D35B0772A500BFE1668638C5630A09E777B8211770DBAF33A4429D9F277E19D3AF61
- MD5 SHA1 SHA512 SSDEEP TLSH