Overview
overview
9Static
static
3jaffacakes...gs.exe
windows10-2004-x64
7jaffacakes...gs.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows11-ltsc_2024-x64
3$SYSDIR/COMDLG32.dll
windows10-2004-x64
3$SYSDIR/COMDLG32.dll
windows11-ltsc_2024-x64
3$SYSDIR/VB6KO.dll
windows10-2004-x64
1$SYSDIR/VB6KO.dll
windows11-ltsc_2024-x64
1NRank.exe
windows10-2004-x64
9NRank.exe
windows11-ltsc_2024-x64
9Update.exe
windows10-2004-x64
9Update.exe
windows11-ltsc_2024-x64
9uninst.exe
windows10-2004-x64
7uninst.exe
windows11-ltsc_2024-x64
7Analysis
- max time kernel
149s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
06/10/2026, 14:27
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan-Downloader.Win32.VB.iegs.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
jaffacakes118_Trojan-Downloader.Win32.VB.iegs.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
$SYSDIR/COMDLG32.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
$SYSDIR/COMDLG32.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
$SYSDIR/VB6KO.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
$SYSDIR/VB6KO.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
NRank.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
NRank.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral11
Sample
Update.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral12
Sample
Update.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral13
Sample
uninst.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral14
Sample
uninst.exe
Resource
win11ltsc2024-20260911-en
General
- Target NRank.exe
- Size 1.4MB
- Sample261006-rssb9act5r
- SHA256 6f3071bd164a0b5458660dcbdcaa541f4e957d7682ab0df3ee6df76eb42e3bf0
- MD5 c256c176790e466269747f113d3eb157
- SHA1 c9ab2d24ca01e42a2454d175075d288a74e97e82
- SHA512 f04b2e225472bb5ff290be740540a3b4475df2bf77320cd210dc197ec3bf51a73119b54beab19b6354b2f9a91ecac79711e30f587d886724bfae7b962764fa31
- SSDEEP 24576:Q25v0yKoVycE6w8GFyDdJTffKosYTm7kcEU+FPQeXb7KQfmn3:DmoVyowWPKUAQjnfY
- TLSH T18B65333176EACBACF2080D35BEB8E174C04536636AEED6DB4846953DE77C601316683E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ NRank.exe - Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion NRank.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion NRank.exe - Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000\Software\Wine NRank.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 1 IoCs
pid Process 796 NRank.exe - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NRank.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 796 NRank.exe 796 NRank.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 796 NRank.exe 796 NRank.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\NRank.exe"C:\Users\Admin\AppData\Local\Temp\NRank.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:796