8ae976c8b28baa222b4fd527cccbad2d1102ed21c68f9082c53835fde94c2397

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
28/03/2025, 13:38

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General

Target

Payload/Hot Tub.app/Assets.car
Size

5.5MB
MD5

b486f3f3894271a631b25fcb17e8c810
SHA1

12caa0bcf6f635fd8f4563281ab11270ec11cd20
SHA256

6d08ee3dd404f782e4abe22ef31225d7b70f8b6d5170b0438655dd35e5d3f9ab
SHA512

343c013e3f9d5ac0ce3c14684e881381b40708f51552b1ac5a6bec0f722b66062ff5bd4ae0c55edfd62d2e3961c15e5601cee8f3c14543b27f2f68f6b17aaeee
SSDEEP

98304:b6CIZ0aZ2/ItAHbp7NwOgyAkvqXrphDdaWkvqMrpgOgyyDdaa:W+HkGp5UyMX9JM2y+n

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-1-5-21-677481364-2238709445-1347953534-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1972	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1972	AcroRd32.exe
1972	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 3044	2464	cmd.exe	32
PID 2464 wrote to memory of 3044	2464	cmd.exe	32
PID 2464 wrote to memory of 3044	2464	cmd.exe	32
PID 3044 wrote to memory of 1972	3044	rundll32.exe	33
PID 3044 wrote to memory of 1972	3044	rundll32.exe	33
PID 3044 wrote to memory of 1972	3044	rundll32.exe	33
PID 3044 wrote to memory of 1972	3044	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Payload\Hot Tub.app\Assets.car"
1⤵
- Suspicious use of WriteProcessMemory
PID:2464
- 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\Assets.car
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3044
- - 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\Assets.car"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1972

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
4bfa1507984496b751e9d3c82cd12414

SHA1
d1c9f0406eed1473741de2207a37e87105911dd5

SHA256
0264e5341161475e68fab4bb6aa5e73431b67ef866f66d6ecb31c3d6211b0070

SHA512
a308b2a5cfd0ed34889a31dded4ddf98ae170df875f1fd4f413abd8285e3705ce159e1188bc21f9c1e79cf951cf05da3817ab8d81982e34e77812427d011fdc0

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