hxxp://audiochannel[.]net/components/shared/dustscratch_textures[.]zip

Resubmissions

04/01/2023, 11:14

230104-nbywxsae9w 1

04/01/2023, 10:20

230104-mdck2aad9z 5

Analysis

max time kernel
22s
max time network
25s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2023, 11:14

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General

Target

http://audiochannel.net/components/shared/dustscratch_textures.zip

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	chrome.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
5016	chrome.exe
5016	chrome.exe
4812	chrome.exe
4812	chrome.exe
2100	chrome.exe
2100	chrome.exe
620	chrome.exe
620	chrome.exe
4672	chrome.exe
4672	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe

Suspicious use of FindShellTrayWindow 35 IoCs

pid	Process
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe
4812	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 896	4812	chrome.exe	80
PID 4812 wrote to memory of 896	4812	chrome.exe	80
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 4924	4812	chrome.exe	83
PID 4812 wrote to memory of 5016	4812	chrome.exe	84
PID 4812 wrote to memory of 5016	4812	chrome.exe	84
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85
PID 4812 wrote to memory of 1432	4812	chrome.exe	85

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" http://audiochannel.net/components/shared/dustscratch_textures.zip
1⤵
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4812
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff8d1a44f50,0x7ff8d1a44f60,0x7ff8d1a44f70
  2⤵
  PID:896
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1632,10106398127272848494,9843815435641368299,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1672 /prefetch:2
  2⤵
  PID:4924
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1632,10106398127272848494,9843815435641368299,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2028 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5016
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1632,10106398127272848494,9843815435641368299,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2316 /prefetch:8
  2⤵
  PID:1432
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1632,10106398127272848494,9843815435641368299,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2948 /prefetch:1
  2⤵
  PID:4364
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1632,10106398127272848494,9843815435641368299,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2940 /prefetch:1
  2⤵
  PID:1668
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1632,10106398127272848494,9843815435641368299,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4268 /prefetch:8
  2⤵
  PID:4584
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.FileUtilService --field-trial-handle=1632,10106398127272848494,9843815435641368299,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4412 /prefetch:8
  2⤵
  PID:3952
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1632,10106398127272848494,9843815435641368299,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5084 /prefetch:8
  2⤵
  PID:1476
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=1632,10106398127272848494,9843815435641368299,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5216 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2100
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1632,10106398127272848494,9843815435641368299,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5296 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:620
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1632,10106398127272848494,9843815435641368299,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5112 /prefetch:8
  2⤵
  PID:3736
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1632,10106398127272848494,9843815435641368299,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5244 /prefetch:8
  2⤵
  PID:4296
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1632,10106398127272848494,9843815435641368299,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5436 /prefetch:8
  2⤵
  PID:2200
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1632,10106398127272848494,9843815435641368299,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3732 /prefetch:1
  2⤵
  PID:944
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1632,10106398127272848494,9843815435641368299,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4660 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4672

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4360

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4760

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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