6443c13d55ea8baf21b29600cfb7edfde52dad33e79dec6f328762022fdd0514

Resubmissions

09/08/2024, 00:24

240809-ap9zfsshpp7

09/08/2024, 00:22

240809-apbrnawhrf3

Analysis

max time kernel
305s
max time network
319s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
09/08/2024, 00:22

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General

Target
rmix/remix/.trex/usd/usdRender/resources/usdRender/schema.usda
Size 9KB
Sample240809-apbrnawhrf
SHA256 d8e6bdf8cb701f9ba893ddf2acd6d292284e9c1f2360b2d8dcc4a607b7911af3
MD5 273ba209749209e0a1eeb20b3899c0f2
SHA1 35bc874dfddee399cfba894919405545a358e43d
SHA512 7115b8d3cd0359077484993b80718a48739018aec8e3987f726cccab6bb54f46bd5a065ef97f16d3c79e8d81f91d18b95f8e662e9cf5719cc9ffe96c5afde237
SSDEEP 192:s5aOYyn1gtXvL4AXnN1Jnu+zBOr48rJDL6/MW1XsjqrxetQ7P0aUfwlSk1jtYD1n:fOBitjd3nHzBOr48rxKMWJsEs2caUfp5
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
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\usda_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.usda	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\usda_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\usda_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\usda_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.usda\ = "usda_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\usda_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\usda_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2884	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2884	AcroRd32.exe
2884	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2712	2212	cmd.exe	31
PID 2212 wrote to memory of 2712	2212	cmd.exe	31
PID 2212 wrote to memory of 2712	2212	cmd.exe	31
PID 2712 wrote to memory of 2884	2712	rundll32.exe	32
PID 2712 wrote to memory of 2884	2712	rundll32.exe	32
PID 2712 wrote to memory of 2884	2712	rundll32.exe	32
PID 2712 wrote to memory of 2884	2712	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\rmix\remix\.trex\usd\usdRender\resources\usdRender\schema.usda
1⤵
- Suspicious use of WriteProcessMemory
PID:2212
- 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\usdRender\resources\usdRender\schema.usda
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2712
- - 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\usdRender\resources\usdRender\schema.usda"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2884

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 31f0499310e6bf24fb0cfe68084ef3ff3adb9eeb6411a0a20745be9bea1d0370
MD5 fffb14ebcd2e7f1887e8917620338f3f
SHA1 e361248a4f3a8ce46bd456ad9e00ec0d00a39d25
SHA512 91a92a3f0f1efd9325709d9be56a1edf9514799226bc0adeec58274ab2dacf6a2ee01a4bfff45840f4b68bfa07a2ea89c96851d0a40f480e7bb624b8aa4dc48b
MD5 SHA1 SHA512

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