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
win7-20240704-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/usdRi/resources/usdRi/schema.usda
Size 33KB
Sample240809-apbrnawhrf
SHA256 a8a5c06f035be051342b4ee8183ad663dac9a870f79f2f9a3c0aca44c157500b
MD5 97919da2511e40d4a23b08ec02e768fe
SHA1 c11ab17d05afa2219905af1602f516f0f4f74f64
SHA512 25ab503ee37fcb224f6adcca1251d924575e107279ee3d029480759c1efea8858e16fc5a66c167e61d160c1f3019b184b9a4d4ea5dfa59620244ef8f2ac7d862
SSDEEP 384:zEDnftPTo3u6Dclc+YCTA9Y3xQaKa5aKNlQ4RLzZPILpxE:zEDftPTo3lDclcpk3xQyZR6E
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-1-5-21-3450744190-3404161390-554719085-1000_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-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\usda_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\usda_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.usda\ = "usda_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\usda_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\usda_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\usda_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.usda	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2732	AcroRd32.exe
2732	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 1732	2232	cmd.exe	32
PID 2232 wrote to memory of 1732	2232	cmd.exe	32
PID 2232 wrote to memory of 1732	2232	cmd.exe	32
PID 1732 wrote to memory of 2732	1732	rundll32.exe	33
PID 1732 wrote to memory of 2732	1732	rundll32.exe	33
PID 1732 wrote to memory of 2732	1732	rundll32.exe	33
PID 1732 wrote to memory of 2732	1732	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\rmix\remix\.trex\usd\usdRi\resources\usdRi\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\usdRi\resources\usdRi\schema.usda
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1732
- - 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\usdRi\resources\usdRi\schema.usda"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2732

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 a6ec541e7178fc333ca97afe13d3ca0256a8898d06aa62abc6dbb3942c951ddd
MD5 c7fdc921c5933d18252c6058849871ce
SHA1 06df461713f1e903ac163642a54d912ee14efb47
SHA512 1d21cf5b7ff4d8291033bb7754b36cf7b052262e569de479dbfc098992db51f93ea57c722683a900bba6f0aee17a842c926354df53c99ce22ffa530dfda9e2fb
MD5 SHA1 SHA512

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