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
138s - 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 uninst.exe
- Size 50KB
- Sample261006-rssb9act5r
- SHA256 c93faef0948c62711735bbeacb3c1eb49a20e8307ce4a5dc82c967742f041767
- MD5 4e057ef32d657c6590e0ae555e4710d7
- SHA1 a25dcdedc2923d90460ef9dc4c2d547ada42f0a8
- SHA512 bf386cb2771b6ca8b8d47f512baecbbed7887f8d333ee64c5689dc085adf673afc493ba2cd47419f0a804255627d3d0f70c3d4375bcc418c473ea7aab3af78ba
- SSDEEP 1536:5aLuXE8XPIYyr7jvN0DoJ+cpgdLeAyNJ1W:0LuXzXwYyr6DoocpceASW
- TLSH T15C339E076B60C8F7CA75027009BBAB7BAFF6C61011549F1357806F1B7D232528A1E297
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Deletes itself 1 TTPs 1 IoCs
pid Process 4792 Un_A.exe - Executes dropped EXE 1 IoCs
pid Process 4792 Un_A.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 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 uninst.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Un_A.exe - NSIS installer 2 IoCs
resource yara_rule behavioral13/files/0x000700000002457c-3.dat nsis_installer_1 behavioral13/files/0x000700000002457c-3.dat nsis_installer_2 - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4592 wrote to memory of 4792 4592 uninst.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\uninst.exe"C:\Users\Admin\AppData\Local\Temp\uninst.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4592 -
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4792
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
- Size 50KB
- SHA256 c93faef0948c62711735bbeacb3c1eb49a20e8307ce4a5dc82c967742f041767
- MD5 4e057ef32d657c6590e0ae555e4710d7
- SHA1 a25dcdedc2923d90460ef9dc4c2d547ada42f0a8
- SHA512 bf386cb2771b6ca8b8d47f512baecbbed7887f8d333ee64c5689dc085adf673afc493ba2cd47419f0a804255627d3d0f70c3d4375bcc418c473ea7aab3af78ba
- SSDEEP 1536:5aLuXE8XPIYyr7jvN0DoJ+cpgdLeAyNJ1W:0LuXzXwYyr6DoocpceASW
- TLSH T15C339E076B60C8F7CA75027009BBAB7BAFF6C61011549F1357806F1B7D232528A1E297
- MD5 SHA1 SHA512 SSDEEP TLSH