Analysis
- max time kernel
148s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/11/2026, 10:15
Static task
static1
Behavioral task
behavioral1
Sample
Payment Swift Advise02387465463.JS.js
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
Payment Swift Advise02387465463.JS.js
Resource
win11ltsc2024-20260911-en
General
- Target Payment Swift Advise02387465463.JS.js
- Size 4.8MB
- Sample261109-mab54aee74
- SHA256 b6c111ed2740211cb0e3617f09d67e1c580f77b55bdabede2ef7f34d85f0865b
- MD5 fd6b67ce0107d68012a4ffa318a6140c
- SHA1 a9db0ce1ba43389a4834636c8d0b5e30789020c9
- SHA512 11b56549bec33fb9c09efb411b6dffcac843e904b444fb72651235210fc6622ecc86390a3a987c90e170ca5468e35a7b3e06fe4699adaefa32c99c34d1677e7d
- SSDEEP 98304:HccHRG8xRDXHBMWYLjumshGTnQtX/4gqpZIVnfQ+9INqey1Ipht9vunFiNHF05uH:8ERtzXHBlcuJh+yX/4gqpZI5HINkIztX
- TLSH T1053629412704A5F6BA21BB7D8239CC39990E605317D6EF3530ADE255BB1CC4BA74CBE2
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
RemoteHost
-
ocean012.duckdns.org:7474
-
oceanbiggi907.duckdns.org:7474
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
yut-QEKAE1
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Detects DonutLoader 2 IoCs
resource yara_rule behavioral2/memory/2492-57-0x00000000025C0000-0x0000000002669000-memory.dmp family_donutloader behavioral2/memory/2492-56-0x00000000025C0000-0x00000000035C0000-memory.dmp family_donutloader - Executes dropped EXE 1 IoCs
pid Process 2492 SYZARVJJGKZNUVIR.exe - Loads dropped DLL 1 IoCs
pid Process 2492 SYZARVJJGKZNUVIR.exe - Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 2784 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname SYZARVJJGKZNUVIR.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain SYZARVJJGKZNUVIR.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ wscript.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d3162b92-9365-467a-956b-92703aca08af}\Instance\ wscript.exe - NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\Payment Swift Advise02387465463.JS.js:Zone.Identifier cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1028 wrote to memory of 2784 1028 wscript.exe 89 PID 1028 wrote to memory of 2492 1028 wscript.exe 91
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\Payment Swift Advise02387465463.JS.js"1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1028 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c echo. > "C:\Users\Admin\AppData\Local\Temp\Payment Swift Advise02387465463.JS.js:Zone.Identifier"2⤵
- Executes a command shell one-liner
- NTFS ADS
PID:2784
-
-
C:\Users\Admin\Documents\SYZARVJJGKZNUVIR.exe"C:\Users\Admin\Documents\SYZARVJJGKZNUVIR.exe" C:\Users\Admin\Documents\RIVUNZKGJJVRAZYS2⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
PID:2492
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\Documents\RIVUNZKGJJVRAZYS
- Size 1.1MB
- SHA256 8016313257c1f4080121318a96735de0243ad8484eec656e47aac625247b423c
- MD5 b1f99426b3d392969f683f68276be5ae
- SHA1 fe9875e7e66331972949d3a209fb40d52c977199
- SHA512 b52756da02b4c2e5706831b41e90152edc85b7d8c86fd1175508f645455ba04c87885a4e4e0e7e7f2dc65a4a29584e7acd788e5e9eaa69a1cc9ffc910cbe24cc
- SSDEEP 24576:F37zLOiash1Q0F3RkujO7EpZNNwqN3GtuteBjj/pSVFr1xUrAzcVV:9zL2wQs3Rkqv8uteBjj/pSVFr1xUrAzS
- TLSH T13F35AEC770CA29A492EF42B1CC6B4A9B70B5C9F6034E46474FA4D0F5635167CCBE983A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\Documents\SYZARVJJGKZNUVIR.exe
- Size 27KB
- SHA256 70916418ff0b6c2a12e8897ff622bdbb115435d38f0afe3ea981de1e7652ebb4
- MD5 a989e1ff8e0e2a090e65226a2cfc6315
- SHA1 31b7e7644a1445ebe7ee90b8100ece52374777dc
- SHA512 ca2314748e9e65462f01a1c51754d17f93bbc1ef47dc84cac784c36744184c5f5ebec370fce138dfd8c22196f87b58a91f28185cb88a9fd716e05cea6c8ed6d3
- SSDEEP 192:V2JOj62kV6yge14ANwRZTrA3GfQJkd4+G7SgrgX/QgESiIU8ZcGwuttnhlM49abK:vkAe/QZvfQm49Xr4IJXutRU499mgYPWt
- TLSH T1B6C2F73FB6565CFEC142C37898D746327072782197232A6F0718A632AF71B749A6F12D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\Documents\lua51.dll
- Size 439KB
- SHA256 2f52407927015a8bf4a2a6765ccb599bc438c9a19e1d4a5dda1f5292a0c0e50a
- MD5 028b7c1c451765479927a369b0766fa2
- SHA1 c960a19bd5f5d86d2629f102c175984015885f40
- SHA512 424a5b472845d75055642d6abc8802a4abdff845c0910f8fc346b627071ba1cf515903864878a95ba6b944e5cc9ef006e1de5ee0b486c6bf5ba24d85c26aa496
- SSDEEP 12288:eThHrqR5EtmwgObhTLRFA8nmKlTD8ju3F3Mx:eN85EtmgvHmyTDeu3F3Mx
- TLSH T1AEA4380BA2B356BCC6678170876BAB72A931FC1511307DBE1998FB312D31D909B9F52C
- MD5 SHA1 SHA512 SSDEEP TLSH