d2321c003bd969e380415661bd87a198c7df15e8ccb901eb364f8fe58e76a3cf

Analysis

max time kernel
117s
max time network
141s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-09-2024 11:06

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General

Target

My.Summer.Car.v2023.12.10/My.Summer.Car.v2023.12.10/mysummercar_Data/Mono/etc/mono/2.0/Browsers/Compat.browser
Size

1KB
MD5

0d831c1264b5b32a39fa347de368fe48
SHA1

187dff516f9448e63ea5078190b3347922c4b3eb
SHA256

8a1082057ac5681dcd4e9c227ed7fb8eb42ac1618963b5de3b65739dd77e2741
SHA512

4b7549eda1f8ed2c4533d056b62ca5030445393f9c6003e5ee47301ff7f44b4bd5022b74d54f571aa890b6e4593c6eded1a881500ac5ba2a720dc0ff280300af

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\browser_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\browser_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\browser_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\browser_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.browser	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.browser\ = "browser_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\browser_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\browser_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2084	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2084	AcroRd32.exe
2084	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2812	2100	cmd.exe	32
PID 2100 wrote to memory of 2812	2100	cmd.exe	32
PID 2100 wrote to memory of 2812	2100	cmd.exe	32
PID 2812 wrote to memory of 2084	2812	rundll32.exe	33
PID 2812 wrote to memory of 2084	2812	rundll32.exe	33
PID 2812 wrote to memory of 2084	2812	rundll32.exe	33
PID 2812 wrote to memory of 2084	2812	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\My.Summer.Car.v2023.12.10\My.Summer.Car.v2023.12.10\mysummercar_Data\Mono\etc\mono\2.0\Browsers\Compat.browser
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\My.Summer.Car.v2023.12.10\My.Summer.Car.v2023.12.10\mysummercar_Data\Mono\etc\mono\2.0\Browsers\Compat.browser
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2812
- - 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\My.Summer.Car.v2023.12.10\My.Summer.Car.v2023.12.10\mysummercar_Data\Mono\etc\mono\2.0\Browsers\Compat.browser"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2084

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
672dd8634ee945fb1c7c8fb49d0c96f0

SHA1
4e808e9e6b884fa3487152fce8018e28f95c31a2

SHA256
e7881b64fd888f828a43fb6fa6e4f6dc4f251374f35f6e2cdd5477a348f88f29

SHA512
b30fd3c521ed5334420ef7d89223201035ec7d79781911a81c2333198f5f02395296eb2404b953c1eaa06f936883294ffb370b5ed1690395f7da5099d038652d

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