Overview
overview
7Static
static
3JaffaCakes...8d.exe
windows10-2004-x64
7JaffaCakes...8d.exe
windows11-21h2-x64
7$PLUGINSDI...is.dll
windows10-2004-x64
3$PLUGINSDI...is.dll
windows11-21h2-x64
3ffRichMedi...ion.js
windows10-2004-x64
3ffRichMedi...ion.js
windows11-21h2-x64
3ff/chrome/...984.js
windows10-2004-x64
3ff/chrome/...984.js
windows11-21h2-x64
3ff/chrome/...ion.js
windows10-2004-x64
3ff/chrome/...ion.js
windows11-21h2-x64
3ie/RichMed...84.dll
windows10-2004-x64
6ie/RichMed...84.dll
windows11-21h2-x64
6uninstall.exe
windows10-2004-x64
7uninstall.exe
windows11-21h2-x64
7$PLUGINSDI...is.dll
windows10-2004-x64
3$PLUGINSDI...is.dll
windows11-21h2-x64
3Analysis
-
max time kernel
103s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20250502-en -
resource tags
arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system -
submitted
04/07/2025, 17:32
Behavioral task
behavioral1
Sample
JaffaCakes118_1c7039ad3300c33937a4dbace449d68d.exe
Resource
win10v2004-20250619-en
Behavioral task
behavioral2
Sample
JaffaCakes118_1c7039ad3300c33937a4dbace449d68d.exe
Resource
win11-20250610-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20250610-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win11-20250619-en
Behavioral task
behavioral5
Sample
ffRichMediaViewV1release2984chaction.js
Resource
win10v2004-20250502-en
Behavioral task
behavioral6
Sample
ffRichMediaViewV1release2984chaction.js
Resource
win11-20250610-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffRichMediaViewV1release2984.js
Resource
win10v2004-20250619-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffRichMediaViewV1release2984.js
Resource
win11-20250619-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffRichMediaViewV1release2984ffaction.js
Resource
win10v2004-20250610-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffRichMediaViewV1release2984ffaction.js
Resource
win11-20250610-en
Behavioral task
behavioral11
Sample
ie/RichMediaViewV1release2984.dll
Resource
win10v2004-20250610-en
Behavioral task
behavioral12
Sample
ie/RichMediaViewV1release2984.dll
Resource
win11-20250619-en
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral14
Sample
uninstall.exe
Resource
win11-20250619-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20250619-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win11-20250619-en
General
-
Target
uninstall.exe
-
Size
289KB
-
MD5
64af24c71dff40b69397c3a69581427c
-
SHA1
bbb4c291ee344c0170dee0bb75dc16928171b67c
-
SHA256
88a61cfb1ca6536eec088b1bd3f47f21736e33cb8692a5edb3b6d33e476f0e84
-
SHA512
c3972b8e63c3a6fd3b47d23f8c0a5058dd05d543365ab611a03f985d02b379fd53205caf3a0e6aad99467da173bd3dd9fe45b6550da95fca934c30400a824feb
-
SSDEEP
6144:Ue34o0Rg4l8ai5PQtTZ763J8eWW43YLYjn5uO7D32fuCa7Bm+:N0q4OaQQTYJ8eP4/L5uO7D3f5Bv
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 3368 Au_.exe -
Loads dropped DLL 1 IoCs
pid Process 3368 Au_.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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 uninstall.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Au_.exe -
NSIS installer 2 IoCs
resource yara_rule behavioral13/files/0x00070000000242cd-3.dat nsis_installer_1 behavioral13/files/0x00070000000242cd-3.dat nsis_installer_2 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 636 wrote to memory of 3368 636 uninstall.exe 84 PID 636 wrote to memory of 3368 636 uninstall.exe 84 PID 636 wrote to memory of 3368 636 uninstall.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\uninstall.exe"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:636 -
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe"C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3368
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
567KB
MD5450753ad96785a240a39deccab3af0d0
SHA121c544064d2ffa6444508268ce258a330d459fc5
SHA2561c371dcc6c3428ea98fb0d2dcb612b4ebc731f3ed72e683c8e33058cd2a952d3
SHA512c41b834f4228b7668316095569c836b4e0d55c5fbf310c65b0e0453ef0e74a3ce8f9357cea90b80f6590f85dd7708eeb4eec27518811ea4aab20c0e7f5643dab
-
Filesize
289KB
MD564af24c71dff40b69397c3a69581427c
SHA1bbb4c291ee344c0170dee0bb75dc16928171b67c
SHA25688a61cfb1ca6536eec088b1bd3f47f21736e33cb8692a5edb3b6d33e476f0e84
SHA512c3972b8e63c3a6fd3b47d23f8c0a5058dd05d543365ab611a03f985d02b379fd53205caf3a0e6aad99467da173bd3dd9fe45b6550da95fca934c30400a824feb