Analysis
- max time kernel
149s - max time network
129s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/07/2026, 12:15
Static task
static1
Behavioral task
behavioral1
Sample
PO2789543.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
PO2789543.js
Resource
win11ltsc2024-20260629-en
General
- Target PO2789543.js
- Size 4.5MB
- Sample260701-pfejhsfx71
- SHA256 d3f1a59bea524704c1075e1821932ae3af1d5bc1fab47983394b0371fc8f15f5
- MD5 442f529762e79310b2f93730c86a63c7
- SHA1 79bb49dea5babc8ade7c1414db912ce50ddc61b6
- SHA512 e8811ee979b6d54b58cc712115df21275e416cb1f2b629459679ce19d62b99dfd05450ac708a4fc94d27fa9c7a34a59861dfba5905985f6b4a28cda75602985b
- SSDEEP 98304:QNEwoNzy3ZMotMEU+BJuFSlKRI8ltWcZVhdkzzNHKv7GDkBSs6KToOcgKBYMOTwl:+EfP+QFRI81JIzNqiDIvT9kOEC76Z4/6
- TLSH T1A6265A40717862CB2A38CB69D81D2FDB3D4E65F3E938CD89729E483B958CF096920757
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remcos
-
7.2.5 Pro
-
RemoteHost
-
130.12.182.29:2404
-
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
Rmc-ODANG1
-
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.
- Suricata alert: REMCOS RAT Malware Inbound C2 Communication 8 IoCs
Network activity triggered a Suricata alert
flow pid Process 1 5824 RFEHOKMETYPCVCPL.PIF 1 5824 RFEHOKMETYPCVCPL.PIF 1 5824 RFEHOKMETYPCVCPL.PIF 1 5824 RFEHOKMETYPCVCPL.PIF 1 5824 RFEHOKMETYPCVCPL.PIF 1 5824 RFEHOKMETYPCVCPL.PIF 1 5824 RFEHOKMETYPCVCPL.PIF 1 5824 RFEHOKMETYPCVCPL.PIF - Suricata alert: REMCOS RAT Malware Outbound C2 Communication 10 IoCs
Network activity triggered a Suricata alert
flow pid Process 1 5824 RFEHOKMETYPCVCPL.PIF 1 5824 RFEHOKMETYPCVCPL.PIF 1 5824 RFEHOKMETYPCVCPL.PIF 1 5824 RFEHOKMETYPCVCPL.PIF 1 5824 RFEHOKMETYPCVCPL.PIF 1 5824 RFEHOKMETYPCVCPL.PIF 1 5824 RFEHOKMETYPCVCPL.PIF 1 5824 RFEHOKMETYPCVCPL.PIF 2 5824 RFEHOKMETYPCVCPL.PIF 2 5824 RFEHOKMETYPCVCPL.PIF - Detects DonutLoader 1 IoCs
resource yara_rule behavioral2/memory/5824-55-0x0000000016280000-0x0000000017280000-memory.dmp family_donutloader - Executes dropped EXE 1 IoCs
pid Process 5824 RFEHOKMETYPCVCPL.PIF - 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 2 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2900715619-172032027-1873877232-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook RFEHOKMETYPCVCPL.PIF Key enumerated \REGISTRY\USER\S-1-5-21-2900715619-172032027-1873877232-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook RFEHOKMETYPCVCPL.PIF - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- 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 3 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\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ WScript.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d3162b92-9365-467a-956b-92703aca08af}\Instance\ wscript.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 6620 schtasks.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5824 RFEHOKMETYPCVCPL.PIF - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 716 wrote to memory of 432 716 wscript.exe 89 PID 432 wrote to memory of 6620 432 cmd.exe 91 PID 716 wrote to memory of 5824 716 wscript.exe 94 - 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.
- outlook_office_path 1 IoCs
description ioc Process Key enumerated \REGISTRY\USER\S-1-5-21-2900715619-172032027-1873877232-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook RFEHOKMETYPCVCPL.PIF
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\PO2789543.js1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:716 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 15 /tn PO2789543 /tr C:\Users\Admin\Documents\PO2789543.url2⤵
- Suspicious use of WriteProcessMemory
PID:432 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 15 /tn PO2789543 /tr C:\Users\Admin\Documents\PO2789543.url3⤵
- Scheduled Task/Job: Scheduled Task
PID:6620
-
-
-
C:\Users\Admin\Documents\RFEHOKMETYPCVCPL.PIF"C:\Users\Admin\Documents\RFEHOKMETYPCVCPL.PIF" C:\Users\Admin\Documents\RFEHOKMETYPCVCPL.ttf2⤵
- Suricata alert: REMCOS RAT Malware Inbound C2 Communication
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of SetWindowsHookEx
- outlook_office_path
PID:5824
-
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\PO2789543.js"1⤵
- Modifies registry class
PID:4168
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\remcos\logs.dat
- Size 152B
- SHA256 f719f0421cc337ff34601be3a816cc2f53223b859d73ce2193066bd6437e1a85
- MD5 b1cdc6d1ffced32936698542084fae66
- SHA1 a42f6f3f2b11b18065e940f987f1609d40e58ac0
- SHA512 1a1cc2dab5506167a05bb24e5ac6cb2ff2e62dc2f6cb124ea849624d6c2f8e7be0cd8249eedc3077c04f61521e32ca0b80e739ea2d37be1a94ffe9add8aa02f1
- TLSH T1D1C04C6A67F21429E4B2965E55F201262E707D58043DD94C12D4434C55F4E05649179B
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\Documents\RFEHOKMETYPCVCPL.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\RFEHOKMETYPCVCPL.ttf
- Size 977KB
- SHA256 4dc402ddf03475ec601241eeb987cc6b081e098da27c0ad613e7a1c9fc0dd635
- MD5 bc7e387c36cf2b0b069a5c2779b5cbaf
- SHA1 df0341cd8c500231996333449c1e90dccc802684
- SHA512 ad7a650ec180d5f69032c0d23f8e7aa5e808c51bb374aa5eabdb22bf30401dd5bd4b3723896f7be301d3adb4716c0076edc59a83bf3056c19fb49ad0693b0cd4
- SSDEEP 24576:yrlygniJ6dlV0fL1tB/KnTM60yTF70unWfo5HesDais:yHik2L17Qb0zfQNais
- TLSH T18125F18FF28B6D6461A242B4CC5B4D8F7479D8E9438D9A834F99C0607A7077CC9F9C29
- MD5 SHA1 SHA512 SSDEEP TLSH