8ae976c8b28baa222b4fd527cccbad2d1102ed21c68f9082c53835fde94c2397

Analysis

max time kernel
150s
max time network
124s
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_FirebaseCrashlytics.bundle/Info.plist
Size

711B
MD5

144187eea220a66e7ec5fa4b7d0a16d7
SHA1

d9c74e5fd677a85a07083de9c514abdf8323053d
SHA256

f165fb8c2601999d32ad1b350c6d3d854523b11be172c9234e1707313a1e9e40
SHA512

d2c914464c131f63f6ea2bfbea18f8ebe8904a19f9688d616dd199fbb03cce3dffb9495e53e976cf12951180a94139cfec54babb939c97e96e7092fa69772596

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-1-5-21-4177215427-74451935-3209572229-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2440	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2440	AcroRd32.exe
2440	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2792	2516	cmd.exe	31
PID 2516 wrote to memory of 2792	2516	cmd.exe	31
PID 2516 wrote to memory of 2792	2516	cmd.exe	31
PID 2792 wrote to memory of 2440	2792	rundll32.exe	32
PID 2792 wrote to memory of 2440	2792	rundll32.exe	32
PID 2792 wrote to memory of 2440	2792	rundll32.exe	32
PID 2792 wrote to memory of 2440	2792	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Payload\Hot Tub.app\Firebase_FirebaseCrashlytics.bundle\Info.plist"
1⤵
- Suspicious use of WriteProcessMemory
PID:2516
- 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_FirebaseCrashlytics.bundle\Info.plist
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2792
- - 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_FirebaseCrashlytics.bundle\Info.plist"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2440

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
4999bda604a37b91b1c7b3e2faf45172

SHA1
3d94b06ae704e84e4fdcdddbfb0b8269ed77fd6f

SHA256
37de7a46ccbf52db48120105e10c059c2ed12d0ea900b1c56d6f1d4020ae0239

SHA512
f644c680d82570cba09dc030e26b41f68f83fe09678c33676fc8798e90287919369b1f723cc216a47e563c73455e1b5bbd69d15c52d1af5a0a686281f351dfb8

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