Analysis
- max time kernel
150s - max time network
163s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/08/2026, 00:14
Static task
static1
Behavioral task
behavioral1
Sample
factura852026.pdf.js
Resource
win10v2004-20260513-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
factura852026.pdf.js
Resource
win11ltsc2024-20260709-en
13 signatures
150 seconds
General
- Target factura852026.pdf.js
- Size 2.1MB
- Sample260807-ajdn3atfld
- SHA256 5b6b6c44bc3274b1900f5538677609d5ade82934366586a52b907dfa3b288617
- MD5 628ddd09228d3764653b4d6ff3466177
- SHA1 047fdaf30449e32331b6c0ea5f0440c4a37a5a0d
- SHA512 0268713345787d5cdf9fa82ce0a87d35cab1a4cfe68cd31a3ffe562f777ac91410cd090881289df812a678527b5f29a4a1e6fa07d005809cf3ceb185a2bc7634
- SSDEEP 49152:++hMGzgi2+5uBXUDcNB4m5p2nG/4vEpLjPaiBenkczMxbcjGP:++WGzgRuyUDcNB4m5YIuoLjPaiBenkcY
- TLSH T1F4A5F9806944F782F8382AB57D1F0F961F2EE113DE50FE077F1866859759BCA3298E18
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
xworm
Version
-
5.0
C2
-
watchthisyear.gotdns.ch:7474
Mutex
-
c1CYM1HMY9nWx8sZ
Attributes
-
Install_directory
%AppData%
-
install_file
word.exe
aes.plain
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Detect Xworm Payload 1 IoCs
resource yara_rule behavioral2/memory/4392-54-0x0000000002640000-0x0000000002650000-memory.dmp family_xworm - Detects DonutLoader 2 IoCs
resource yara_rule behavioral2/memory/4392-51-0x0000000014800000-0x0000000014812000-memory.dmp family_donutloader behavioral2/memory/4392-50-0x0000000014800000-0x0000000015800000-memory.dmp family_donutloader - 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\word.lnk UIEEVXBUUYGGOUIJ.PIF File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\word.lnk UIEEVXBUUYGGOUIJ.PIF - Executes dropped EXE 1 IoCs
pid Process 4392 UIEEVXBUUYGGOUIJ.PIF - Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 4392 UIEEVXBUUYGGOUIJ.PIF - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4392 UIEEVXBUUYGGOUIJ.PIF - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4392 UIEEVXBUUYGGOUIJ.PIF - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2672 wrote to memory of 4392 2672 wscript.exe 89
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\factura852026.pdf.js1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2672 -
C:\Users\Admin\Documents\UIEEVXBUUYGGOUIJ.PIF"C:\Users\Admin\Documents\UIEEVXBUUYGGOUIJ.PIF" C:\Users\Admin\Documents\UIEEVXBUUYGGOUIJ.ttf2⤵
- Creates a file in the Startup directory
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4392
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\Documents\UIEEVXBUUYGGOUIJ.PIF
- Size 467KB
- SHA256 52f0c0230b580e2fdf53a378b5c6d0db9829af900dae43e0df8f18635cd9f0c1
- MD5 7f47d5ea49f77b99e25ca2918cea8920
- SHA1 b7b3dbcf32f3b7a78554efee75f0ad5746126c69
- SHA512 04f24c43bc290adb84d23453e3dbbbc317e2b2c9c752e4289501a9358c76116188a7d3cd9d3c44acf23254c4aa39bfaac49341e0085ed6d9e9f9eb1016325453
- SSDEEP 12288:26DGsq60U/A62U1q6CkrlA1NIcjBM4rF3/W:26DGsqEVAWhoIcO4rF3/W
- TLSH T17DA43703A2B353BDC667C1308B978BB2BA32BC9512316DBE2454FB311DB1CA1479F529
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\Documents\UIEEVXBUUYGGOUIJ.ttf
- Size 212KB
- SHA256 21c1344f2224cc53ae3773dbc092984252b9f0198674b7d5bd281e474a1a432a
- MD5 6b64bf68356b4c17a7950871155e49c9
- SHA1 84bad120d4b901cc1d0f92cf649b789a70da1f11
- SHA512 9c205a71b546b62ffbf0d3279cf7b3a4c125be15c3e611d1e41b103f071065ff40b20835ce85313d8a96dfe375841bd50be0ba7ea61a217b5111081a98ee3d4e
- SSDEEP 3072:qx853x2+mOuB43W3QZVkv1A9R4jvV/wejAYPvzgLnob:qxmx2+mkmUpCRr1jWO
- TLSH T141240A8BB2CB6CA461B252F0CC6B5E8B74BAD4D5034D05474F99D1907B303BCDAF9A29
- MD5 SHA1 SHA512 SSDEEP TLSH