8ae976c8b28baa222b4fd527cccbad2d1102ed21c68f9082c53835fde94c2397

Analysis

max time kernel
150s
max time network
120s
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

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General

Target

Payload/Hot Tub.app/Firebase_FirebaseInstallations.bundle/Info.plist
Size

715B
MD5

90515c715ea62f2cbd0a01e2ba24f814
SHA1

2566b8c8892f496b715f39a5981a5778ec6de83a
SHA256

9156b0a707f4ec27136b46df05a4ed029a6b1e8480e8af45f38a86972a3aae1a
SHA512

1e58bb7bd7fa897ef8289cc0cf39f2f92c127c5fde041f3c21f17d52d6dc6ba8b25e9d5bc069c333445f3ed3e87e971aa398a1c95773c48c1ad4d8508707b8ff

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

discovery

System Language Discovery

T1614.001

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-1-5-21-2039016743-699959520-214465309-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2696	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2696	AcroRd32.exe
2696	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 2556	904	cmd.exe	31
PID 904 wrote to memory of 2556	904	cmd.exe	31
PID 904 wrote to memory of 2556	904	cmd.exe	31
PID 2556 wrote to memory of 2696	2556	rundll32.exe	32
PID 2556 wrote to memory of 2696	2556	rundll32.exe	32
PID 2556 wrote to memory of 2696	2556	rundll32.exe	32
PID 2556 wrote to memory of 2696	2556	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Payload\Hot Tub.app\Firebase_FirebaseInstallations.bundle\Info.plist"
1⤵
- Suspicious use of WriteProcessMemory
PID:904
- 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_FirebaseInstallations.bundle\Info.plist
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2556
- - 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_FirebaseInstallations.bundle\Info.plist"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
257f65dff5180dc20f9d11f81f6aa784

SHA1
0278f0400dc1cd4d5a2936e3fe085b6f13669ddd

SHA256
e7c8d17c7199c575b2a33fe3d2aabacba4476fcd14e93ebc53ccc7b072970b01

SHA512
ee4994115a8755d2061280b359037cb21562b79fa0fb61e9c6091c4a8876536fc518a9360376bbebad617e1439a5879622268be54c23c39f5f12cd7d3e69db08

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