Analysis
- max time kernel
148s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/08/2026, 00:12
Static task
static1
Behavioral task
behavioral1
Sample
r843.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
r843.exe
Resource
win11ltsc2024-20260709-en
General
- Target r843.exe
- Size 291KB
- Sample260824-aha7jsbp3s
- SHA256 066d83b98a2081e0bb075c94376aebc9b0fd6499025cab1762d83bbb4d7576c6
- MD5 5f48794510a5a3418cf042d95ffa13e3
- SHA1 3b02d3ca024359776843cdd420e2a7decbb6da35
- SHA512 1dc92b50ee84ee32ed0e1d0858ad837d1ed0a1b00c125f77718967a4075341f8f4cae76e0aa22879624d3aa52b327d47cd907440877620dba5fd39fa1c07f5f3
- SSDEEP 6144:1qNVrlmzES8opj+t89VU8We6qeDdvrlx/9GvzfuM1AbcjmgP8Z:UVrlmzERodn9tWeMrlx/9Gvzf71AbZg
- TLSH T1CC54BE05F7A750FCE17789B4C9120662FB773E164350AB2F0361CA76BF126A0BD29B61
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remus_stealer
-
http://vexdico.shop:8539/videos
-
http://zakuiru.shop:9048/contacts
-
http://kupzovo.shop:7567/payments
Signatures
- Family: Remus
Remus is a stealer written in C++.
- Creates a file in the Startup directory 1 TTPs 2 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\r843.exe r843.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\r843.exe r843.exe - Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Registers new Windows logon scripts automatically executed at logon. 1 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Environment\UserInitMprLogonScript = "C:\\Users\\Admin\\AppData\\Local\\Temp\\r843.exe" r843.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Environment\UserInitMprLogonScript = "C:\\Users\\Admin\\AppData\\Local\\Temp\\r843.exe" r843.exe - Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\SecurityHealthService = "C:\\Users\\Admin\\AppData\\Local\\Temp\\r843.exe" r843.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\SecurityHealthService = "C:\\Users\\Admin\\AppData\\Local\\Temp\\r843.exe" r843.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4444 schtasks.exe 5864 schtasks.exe 4120 schtasks.exe 2296 schtasks.exe - Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 3584 r843.exe 3584 r843.exe 4852 r843.exe 4852 r843.exe 3584 r843.exe 3584 r843.exe 3584 r843.exe 3584 r843.exe 3584 r843.exe 3584 r843.exe 4852 r843.exe 4852 r843.exe 4852 r843.exe 4852 r843.exe 4852 r843.exe 4852 r843.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3584 wrote to memory of 2296 3584 r843.exe 88 PID 3584 wrote to memory of 4444 3584 r843.exe 90 PID 4852 wrote to memory of 4120 4852 r843.exe 95 PID 4852 wrote to memory of 5864 4852 r843.exe 97 - 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\r843.exe"C:\Users\Admin\AppData\Local\Temp\r843.exe"1⤵
- Creates a file in the Startup directory
- Registers new Windows logon scripts automatically executed at logon.
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /create /tn "SecurityHealthService" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E59CEB6.xml" /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:2296
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /create /tn "WindowsSecurityHealth" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E59CEF5.xml" /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:4444
-
-
C:\Users\Admin\AppData\Local\Temp\r843.exeC:\Users\Admin\AppData\Local\Temp\r843.exe1⤵
- Creates a file in the Startup directory
- Registers new Windows logon scripts automatically executed at logon.
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4852 -
C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /create /tn "SecurityHealthService" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E59DE48.xml" /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:4120
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /create /tn "WindowsSecurityHealth" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E59DE2F.xml" /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:5864
-
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Boot or Logon Initialization Scripts
1Logon Script (Windows)
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Boot or Logon Initialization Scripts
1Logon Script (Windows)
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\~st0E59CEB6.xml
- Size 1KB
- SHA256 fb93f1b20539723ff69810e89ae4d3f6c4c937290c5e4d94ae48ec64acf62d97
- MD5 f5c8ff34a95ce90d1febf10d9abe2dbb
- SHA1 5944143650aee7e4af9a4bdd1ceb2d1cc4b9271c
- SHA512 85cfd96502bf2ae811a87c7fa8a0eb57ed792ad122ee1fb150cefb6dc4f524a4783b9a111179b663c2399090d8a26ee92a40e270c22de841296d29bd980ff84b
- TLSH T1D4219D43ABFD220DF1F3AF9CAABA645199B6FC644D24D42D00B0090C0531D31C9B1B3B
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\~st0E59CEF5.xml
- Size 1KB
- SHA256 3b90516faedc761956af5f492d2cffe5fe6fae939e98cff82011200c3a52260d
- MD5 41d9f3ed9a19a153e38fd3855cf47532
- SHA1 319abd30c9373d450d66c83755d951f1c49e41df
- SHA512 95f76572c5c9c233566a603a809c850e16b1687dff06a4d2363e8baef11902ebe7d6e93f2897ca5bc174dab230841e6782ed187c9c226d442b744a65dc3cb1e2
- TLSH T103317E47ABFD160EF1F3AB9CBEBA645199BAFC955D24D86D00B0090C0531971C9B1B37
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\~st0E59DE2F.xml
- Size 1KB
- SHA256 66d4d01102eb8f9312e8da97416b7aeaeff7c95d85ccbd01ba28e7d1dfabca45
- MD5 fcfe0984e3763fa06673e2810a5b76ba
- SHA1 d5ee13ebcd42b384546c60828db438e38615e24b
- SHA512 4e7590e0807e624a45fc32b2a058dc28447d3ab6c09554d3c8d736e02644cf8fe3e3d05f12653f4fafc8cd8c6809732e1e07401071223dd130076c5e3e501341
- TLSH T16B317E47ABFD160EF1F3AB9CBEBA645199BAFC955D24D86D00B0090C0531931C9B1B37
- MD5 SHA1 SHA512 TLSH