8ae976c8b28baa222b4fd527cccbad2d1102ed21c68f9082c53835fde94c2397

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/03/2025, 13:38

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General

Target

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

713B
MD5

f7ecc481928121fabe54a0c71143d1e0
SHA1

1897c265f46060e69b1062b5539a3a687156beac
SHA256

b1501fd58a0ceefe4bcc7a3eb317ead13b634594ae62755ae6845e1ed5babf7f
SHA512

c72e7a7d2d11b1260f51875b88337a3f4aabd6398c65fe42104c82bc608cee4d1a56b71edac99e5c40f7b1bcd75780409a9350d33d799a36f597a2093373af97

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-1-5-21-1846800975-3917212583-2893086201-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2728	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2728	AcroRd32.exe
2728	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2012	2080	cmd.exe	31
PID 2080 wrote to memory of 2012	2080	cmd.exe	31
PID 2080 wrote to memory of 2012	2080	cmd.exe	31
PID 2012 wrote to memory of 2728	2012	rundll32.exe	32
PID 2012 wrote to memory of 2728	2012	rundll32.exe	32
PID 2012 wrote to memory of 2728	2012	rundll32.exe	32
PID 2012 wrote to memory of 2728	2012	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Payload\Hot Tub.app\Firebase_FirebaseCoreInternal.bundle\Info.plist"
1⤵
- Suspicious use of WriteProcessMemory
PID:2080
- 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_FirebaseCoreInternal.bundle\Info.plist
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2012
- - 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_FirebaseCoreInternal.bundle\Info.plist"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2728

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
7afe7845a9f61511a81ad26fd44a0ca4

SHA1
a643527133e38fc0b814326cd7472ed7bdbb02f0

SHA256
e0d119997433760e17c95a086dfa7c6a3104944d933a83476a50ed9a7bf2d0e1

SHA512
707cb952ac0c782b912d5f0fb1e13c6c0191738b1d0456f2ab65d27d48e350ac44e7da45b9b4f0b45c4094344d612f4ae682ad65496dee43c5c323fbc94d1801

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