6443c13d55ea8baf21b29600cfb7edfde52dad33e79dec6f328762022fdd0514

Resubmissions

09/08/2024, 00:24

240809-ap9zfsshpp7

09/08/2024, 00:22

240809-apbrnawhrf3

Analysis

max time kernel
363s
max time network
366s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
09/08/2024, 00:22

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General

Target
rmix/remix/.trex/usd/usdMedia/resources/usdMedia/schema.usda
Size 8KB
Sample240809-apbrnawhrf
SHA256 9cb2c527dd404150eedcba6105e992adf8436315b4f7fc87e54fe618efdf47df
MD5 ff7d9607a51137510b6e3072c10a6279
SHA1 4eaae2442ad77703617b337ae906f92a413fd1bf
SHA512 09aa5d029972501ec64021e319c19868dc6e911dd76edeebe0f3f58def14ddc6571291433f77089d1d54d077a834c8857cfe97d8255164d47712ecb742a9f385
SSDEEP 192:/WPY1C2CHPWMQ9WCDMDohfTI91BfVSuVGGIPgdgGLh0Y8IdM:/TC2CHPWMQ9qQT0HKPgd50aM
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\usda_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.usda	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\usda_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\usda_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\usda_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.usda\ = "usda_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\usda_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\usda_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2552	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2552	AcroRd32.exe
2552	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2876	2064	cmd.exe	31
PID 2064 wrote to memory of 2876	2064	cmd.exe	31
PID 2064 wrote to memory of 2876	2064	cmd.exe	31
PID 2876 wrote to memory of 2552	2876	rundll32.exe	32
PID 2876 wrote to memory of 2552	2876	rundll32.exe	32
PID 2876 wrote to memory of 2552	2876	rundll32.exe	32
PID 2876 wrote to memory of 2552	2876	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\rmix\remix\.trex\usd\usdMedia\resources\usdMedia\schema.usda
1⤵
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\rmix\remix\.trex\usd\usdMedia\resources\usdMedia\schema.usda
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2876
- - 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\rmix\remix\.trex\usd\usdMedia\resources\usdMedia\schema.usda"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2552

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

Replay Monitor

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Downloads

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 3f2ac18cbac2de80bde62dc6f9ddfc48b1ff0734772c92cea8a844e2e637bf9d
MD5 14467999920e2cebda7c776764530951
SHA1 a044e54cf205298b2b4103df6afdc4e855e28d28
SHA512 6b54af788244249b91849d5a754f2dec3e7578e5845a5d1e88fb08c284f356dbe60717e365b5dcd612604056f0c06d98f5fc11f3b4a7b044610de86e333dfab6
MD5 SHA1 SHA512

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