Overview
overview
3Static
static
1Hot Tub-2.1.2(19).zip
windows7-x64
1Hot Tub-2.1.2(19).zip
windows10-2004-x64
1Payload/Ho...2x.png
windows7-x64
1Payload/Ho...2x.png
windows10-2004-x64
1Payload/Ho...ad.png
windows7-x64
1Payload/Ho...ad.png
windows10-2004-x64
1Payload/Ho...ts.car
windows7-x64
3Payload/Ho...ts.car
windows10-2004-x64
3Payload/Ho....plist
windows7-x64
3Payload/Ho....plist
windows10-2004-x64
3Payload/Ho...fo.xml
windows7-x64
3Payload/Ho...fo.xml
windows10-2004-x64
1Payload/Ho....plist
windows7-x64
3Payload/Ho....plist
windows10-2004-x64
3Payload/Ho...fo.xml
windows7-x64
3Payload/Ho...fo.xml
windows10-2004-x64
1Payload/Ho....plist
windows7-x64
3Payload/Ho....plist
windows10-2004-x64
3Payload/Ho...fo.xml
windows7-x64
3Payload/Ho...fo.xml
windows10-2004-x64
1Payload/Ho....plist
windows7-x64
3Payload/Ho....plist
windows10-2004-x64
3Payload/Ho...fo.xml
windows7-x64
3Payload/Ho...fo.xml
windows10-2004-x64
1Payload/Ho....plist
windows7-x64
3Payload/Ho....plist
windows10-2004-x64
3Payload/Ho...fo.xml
windows7-x64
3Payload/Ho...fo.xml
windows10-2004-x64
1Payload/Ho...lytics
macos-10.15-amd64
1Payload/Ho...fo.xml
windows7-x64
3Payload/Ho...fo.xml
windows10-2004-x64
1Payload/Ho...es.xml
windows7-x64
3Analysis
-
max time kernel
153s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
28/03/2025, 13:38
Static task
static1
Behavioral task
behavioral1
Sample
Hot Tub-2.1.2(19).zip
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Hot Tub-2.1.2(19).zip
Resource
win10v2004-20250314-en
Behavioral task
behavioral4
Sample
Payload/Hot Tub.app/[email protected]
Resource
win10v2004-20250314-en
Behavioral task
behavioral5
Sample
Payload/Hot Tub.app/AppIcon76x76@2x~ipad.png
Resource
win7-20241010-en
Behavioral task
behavioral6
Sample
Payload/Hot Tub.app/AppIcon76x76@2x~ipad.png
Resource
win10v2004-20250314-en
Behavioral task
behavioral7
Sample
Payload/Hot Tub.app/Assets.car
Resource
win7-20250207-en
Behavioral task
behavioral8
Sample
Payload/Hot Tub.app/Assets.car
Resource
win10v2004-20250314-en
Behavioral task
behavioral9
Sample
Payload/Hot Tub.app/Firebase_FirebaseCore.bundle/Info.plist
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
Payload/Hot Tub.app/Firebase_FirebaseCore.bundle/Info.plist
Resource
win10v2004-20250314-en
Behavioral task
behavioral11
Sample
Payload/Hot Tub.app/Firebase_FirebaseCore.bundle/PrivacyInfo.xml
Resource
win7-20241010-en
Behavioral task
behavioral12
Sample
Payload/Hot Tub.app/Firebase_FirebaseCore.bundle/PrivacyInfo.xml
Resource
win10v2004-20250313-en
Behavioral task
behavioral13
Sample
Payload/Hot Tub.app/Firebase_FirebaseCoreExtension.bundle/Info.plist
Resource
win7-20241010-en
Behavioral task
behavioral14
Sample
Payload/Hot Tub.app/Firebase_FirebaseCoreExtension.bundle/Info.plist
Resource
win10v2004-20250314-en
Behavioral task
behavioral15
Sample
Payload/Hot Tub.app/Firebase_FirebaseCoreExtension.bundle/PrivacyInfo.xml
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
Payload/Hot Tub.app/Firebase_FirebaseCoreExtension.bundle/PrivacyInfo.xml
Resource
win10v2004-20250314-en
Behavioral task
behavioral17
Sample
Payload/Hot Tub.app/Firebase_FirebaseCoreInternal.bundle/Info.plist
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
Payload/Hot Tub.app/Firebase_FirebaseCoreInternal.bundle/Info.plist
Resource
win10v2004-20250313-en
Behavioral task
behavioral19
Sample
Payload/Hot Tub.app/Firebase_FirebaseCoreInternal.bundle/PrivacyInfo.xml
Resource
win7-20250207-en
Behavioral task
behavioral20
Sample
Payload/Hot Tub.app/Firebase_FirebaseCoreInternal.bundle/PrivacyInfo.xml
Resource
win10v2004-20250314-en
Behavioral task
behavioral21
Sample
Payload/Hot Tub.app/Firebase_FirebaseCrashlytics.bundle/Info.plist
Resource
win7-20240903-en
Behavioral task
behavioral22
Sample
Payload/Hot Tub.app/Firebase_FirebaseCrashlytics.bundle/Info.plist
Resource
win10v2004-20250314-en
Behavioral task
behavioral23
Sample
Payload/Hot Tub.app/Firebase_FirebaseCrashlytics.bundle/PrivacyInfo.xml
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
Payload/Hot Tub.app/Firebase_FirebaseCrashlytics.bundle/PrivacyInfo.xml
Resource
win10v2004-20250313-en
Behavioral task
behavioral25
Sample
Payload/Hot Tub.app/Firebase_FirebaseInstallations.bundle/Info.plist
Resource
win7-20241010-en
Behavioral task
behavioral26
Sample
Payload/Hot Tub.app/Firebase_FirebaseInstallations.bundle/Info.plist
Resource
win10v2004-20250314-en
Behavioral task
behavioral27
Sample
Payload/Hot Tub.app/Firebase_FirebaseInstallations.bundle/PrivacyInfo.xml
Resource
win7-20241010-en
Behavioral task
behavioral28
Sample
Payload/Hot Tub.app/Firebase_FirebaseInstallations.bundle/PrivacyInfo.xml
Resource
win10v2004-20250314-en
Behavioral task
behavioral29
Sample
Payload/Hot Tub.app/Frameworks/FirebaseAnalytics.framework/FirebaseAnalytics
Resource
macos-20241101-en
Behavioral task
behavioral30
Sample
Payload/Hot Tub.app/Frameworks/FirebaseAnalytics.framework/Info.xml
Resource
win7-20240729-en
Behavioral task
behavioral31
Sample
Payload/Hot Tub.app/Frameworks/FirebaseAnalytics.framework/Info.xml
Resource
win10v2004-20250313-en
Behavioral task
behavioral32
Sample
Payload/Hot Tub.app/Frameworks/FirebaseAnalytics.framework/_CodeSignature/CodeResources.xml
Resource
win7-20240903-en
General
-
Target
Payload/Hot Tub.app/Firebase_FirebaseCoreExtension.bundle/Info.plist
-
Size
715B
-
MD5
fe24c35d944a211114ec155e1b03df3b
-
SHA1
9b80d4698660c192cc98dfc7cd05051240d59a25
-
SHA256
d8c3df28e5f49659b72ecd4de57da4e9f7aae77e07acc4337f9e50f7f1e284e0
-
SHA512
a13315d5cf25a3c7d1007f0bd1d4f18b51bc15780c1a821ec85bb100be44ef62bff2f59a8495531e771cceb3e3b72b1b009b6ff591083f2e62cc063026e4e887
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 AcroRd32.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_Classes\Local Settings rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2784 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2784 AcroRd32.exe 2784 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2044 wrote to memory of 2464 2044 cmd.exe 31 PID 2044 wrote to memory of 2464 2044 cmd.exe 31 PID 2044 wrote to memory of 2464 2044 cmd.exe 31 PID 2464 wrote to memory of 2784 2464 rundll32.exe 33 PID 2464 wrote to memory of 2784 2464 rundll32.exe 33 PID 2464 wrote to memory of 2784 2464 rundll32.exe 33 PID 2464 wrote to memory of 2784 2464 rundll32.exe 33
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Payload\Hot Tub.app\Firebase_FirebaseCoreExtension.bundle\Info.plist"1⤵
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Payload\Hot Tub.app\Firebase_FirebaseCoreExtension.bundle\Info.plist2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Payload\Hot Tub.app\Firebase_FirebaseCoreExtension.bundle\Info.plist"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2784
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3KB
MD5e7ae190550005c6b610ac94161158e30
SHA1d9a289ce0043ad8eb50adf0b5b97710d0bd7988d
SHA256eaffc8765f4a1375428cceffd591b77659f258772f620665eab96f7f016374f4
SHA512568436d70583b05ca445c4139de23c3b2e82136aed784878abe241845a168f698502d5cc661540a65dfb02e3763a275821f7025877cb0d07417339b4f992526e