Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/08/2026, 04:35
Static task
static1
Behavioral task
behavioral1
Sample
Perfoma invoice.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Perfoma invoice.js
Resource
win11ltsc2024-20260709-en
General
- Target Perfoma invoice.js
- Size 2.8MB
- Sample260805-e7w8jaybme
- SHA256 4889ae0da32230745be234aa78671327998013209e740d60cef7800b774b16e5
- MD5 f3d6fe33b482c694ad5b8d1245e9a955
- SHA1 9a9212d425a3cb5d8f691f7e73beabe16c18d8a2
- SHA512 086da65f526f03e592e781217aaca987de842ca1ef10d4d2d83b6a5798fd63008908e7cc8ed15e67f8bc003fcf3dfa5f50849397ef3c85c9b0b0f363cb06f030
- SSDEEP 49152:ec42E7BksYkUz2XfYphFe/l7QcpM3CJ7gO6M5xQpdaL5ov7/qz46rMjMrrYd+APY:w9ksYkqgYphFYl7QISVO6M5xQpdaL5KK
- TLSH T189D5E5916744D1727B20ABAE553B8E31AE0FA00354C6DF04316DE308776DD4FA3A9EE6
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.piovau.com
-
Port
21
-
Username
-
Password
KUgntPy4Cr3jEhYu
Signatures
- Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 behavioral1/memory/4600-47-0x0000000015270000-0x0000000016270000-memory.dmp family_donutloader behavioral1/memory/4600-48-0x0000000015270000-0x00000000152B4000-memory.dmp family_donutloader - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Control Panel\International\Geo\Nation wscript.exe - Executes dropped EXE 1 IoCs
pid Process 4600 SKNQALIDYSMQUIBR.PIF - 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.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKNQALIDYSMQUIBR.PIF - Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 14 ip-api.com - Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4600 SKNQALIDYSMQUIBR.PIF 4600 SKNQALIDYSMQUIBR.PIF - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4600 SKNQALIDYSMQUIBR.PIF - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4292 wrote to memory of 4600 4292 wscript.exe 86 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKNQALIDYSMQUIBR.PIF
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\Perfoma invoice.js"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4292 -
C:\Users\Admin\Documents\SKNQALIDYSMQUIBR.PIF"C:\Users\Admin\Documents\SKNQALIDYSMQUIBR.PIF" C:\Users\Admin\Documents\SKNQALIDYSMQUIBR.ttf2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
PID:4600
-
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\Documents\SKNQALIDYSMQUIBR.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\SKNQALIDYSMQUIBR.ttf
- Size 482KB
- SHA256 d9f2ed7b4ba07e4ef20e704161cad13cbd29246d1d5a1860e687b18d5203aba2
- MD5 33407e89d58650039a62ede68deef8ce
- SHA1 b841de8f551c0446675adbe3aa906c49339012f0
- SHA512 12a97edc35381b75af7140a1e1e8e4d1ef3e0d6c6eeb93a63229f14642de2e08d616d92596651d573620ca16b314bcccce92b0052e83d90475219005bc6d04fd
- SSDEEP 12288:WSJjyJEh41x92sFrYDPn8WcM9jdmoF2ka7HjzDWO:VdyJh95KDv8gjdmDkcHjzDWO
- TLSH T1A0B4AE8BB6C76CA462B186F0CC6B5E8B747AD4D5034D0A474F99D0906B307BCD8FDA29
- MD5 SHA1 SHA512 SSDEEP TLSH