6443c13d55ea8baf21b29600cfb7edfde52dad33e79dec6f328762022fdd0514

Resubmissions

09/08/2024, 00:24

240809-ap9zfsshpp7

09/08/2024, 00:22

240809-apbrnawhrf3

Analysis

max time kernel
359s
max time network
363s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
09/08/2024, 00:22

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General

Target
rmix/remix/.trex/usd/usdSkel/resources/usdSkel/schema.usda
Size 10KB
Sample240809-apbrnawhrf
SHA256 65effc3298dc2d549a87325e9df4aefe23cdcf8b618abba0a6709c428fa86159
MD5 1e8e225c410a885e63433a5a55161b29
SHA1 14b31c75880fa34ca3582c2f565e1e6defdc797a
SHA512 5c84e83f62c6cd076721bd69028360f6514acab4b16f8a4687e1e2f4a084d5e038e303a4a0a9ed2d4e654429a142f2c119285448f5bb94ea2eb6ec4ebd6293ba
SSDEEP 192:1qPbywB2cbAi524YAyG+hwCqaA5am3+3nAHLRohexjkM2+VSQ3c5u0NSyq1OYUMY:uVBnbVifSC7wgn+mhUSw1OYUv1X3fGwT
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-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\usda_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\usda_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\usda_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_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-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.usda	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.usda\ = "usda_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\usda_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\usda_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3016	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3016	AcroRd32.exe
3016	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2784	2232	cmd.exe	32
PID 2232 wrote to memory of 2784	2232	cmd.exe	32
PID 2232 wrote to memory of 2784	2232	cmd.exe	32
PID 2784 wrote to memory of 3016	2784	rundll32.exe	33
PID 2784 wrote to memory of 3016	2784	rundll32.exe	33
PID 2784 wrote to memory of 3016	2784	rundll32.exe	33
PID 2784 wrote to memory of 3016	2784	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\rmix\remix\.trex\usd\usdSkel\resources\usdSkel\schema.usda
1⤵
- Suspicious use of WriteProcessMemory
PID:2232
- 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\usdSkel\resources\usdSkel\schema.usda
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2784
- - 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\usdSkel\resources\usdSkel\schema.usda"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3016

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 259880131d259822ed296c74f8cd706d73638336af7241e007acb00b0d914de2
MD5 058f5dc594a32b830f7ee041f77d506e
SHA1 01f6f05d5f72be5709978dded5d17e48ba09d1fc
SHA512 4bd64917c48873b73b5572cd7aeec6f65071bd9ea3db3c445b8814e8cbf901fdda66b19d08978f26338a9010a06e0c343cbbb206157c3f36af83e4f553dbeb2f
MD5 SHA1 SHA512

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