b365aca4f494c6339edbcf437d32a16f40f42e3ef6e8fbbecce48544e0d75610

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/09/2024, 23:57

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General

Target

Rec-Room-API-Tool-Box-main/BasicTools/UpdateRRBio.py
Size

462B
MD5

bcb8c3ba66c9586b30e4978ff8179e7f
SHA1

3ec47eda555f261309296e4bd746db384b5097e1
SHA256

9de1d13f1fae74a0f50966da16e4b974012a78c2a68cf61d58b5c7a20253280d
SHA512

487419125267ae513fe9a4dbebfd3ad0816325f1ae9be25288aa39623a9802977152bf3891885eb44f2f0261288aa6e885ce271e47d81d3696980e945e608c62

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\py_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2852	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2852	AcroRd32.exe
2852	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2244	2384	cmd.exe	31
PID 2384 wrote to memory of 2244	2384	cmd.exe	31
PID 2384 wrote to memory of 2244	2384	cmd.exe	31
PID 2244 wrote to memory of 2852	2244	rundll32.exe	32
PID 2244 wrote to memory of 2852	2244	rundll32.exe	32
PID 2244 wrote to memory of 2852	2244	rundll32.exe	32
PID 2244 wrote to memory of 2852	2244	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Rec-Room-API-Tool-Box-main\BasicTools\UpdateRRBio.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Rec-Room-API-Tool-Box-main\BasicTools\UpdateRRBio.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2244
- - 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\Rec-Room-API-Tool-Box-main\BasicTools\UpdateRRBio.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2852

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
2e27b96fda2984f01a06a2b688e1a472

SHA1
d246e4ec0999ffa3d6ab0d56eca919bf9489b113

SHA256
13e37e864af2e511790b0036a9f591873f4a391580fa421105700fe441002a28

SHA512
4b48fe9e9d258e015a3a3c86d6b6e80a06c4d7ad3344b883facb7e4339c70f5a401e7a545809d4d8ec06390e9a76d980ae8389f2ac4dc210fb4e688459f807fe

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