Resubmissions
13-09-2022 14:16
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220912-tnhclahdan 3Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
12-09-2022 16:12
Behavioral task
behavioral1
Sample
Stoichiometry (Multiple Choice) QP.pdf
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
Stoichiometry (Multiple Choice) QP.pdf
Resource
win10v2004-20220812-en
General
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Target
Stoichiometry (Multiple Choice) QP.pdf
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Size
620KB
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MD5
ede84aaaa82a1058e829898b54e07278
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SHA1
2bf21597467067fd26dcb5bd63bfb090abd894ad
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SHA256
a18ecc5b60a1998a147e6bdd11b231c3c3bfcc26abac96a68b04eb1fe6f7d737
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SHA512
e497cc5d796a858f94a516ca67c5c5664d3cd5dfe72be4d16ed5133dbf0e6fb8745481b386ef09f7f3650292d0fba07b74d94231e22d563204edd1524bccf862
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SSDEEP
12288:kqHVvDXBnT8PJdGUXDVxce1HCj8YaTQrR2wUIkh:X9r98PJdGUXDVxceOAQrR2wsh
Malware Config
Signatures
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Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
chrome.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName chrome.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
chrome.exechrome.exechrome.exechrome.exepid process 764 chrome.exe 1376 chrome.exe 1376 chrome.exe 2712 chrome.exe 2812 chrome.exe 1376 chrome.exe 1376 chrome.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid process 1720 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
Processes:
chrome.exepid process 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe -
Suspicious use of SendNotifyMessage 64 IoCs
Processes:
chrome.exepid process 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe 1376 chrome.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
AcroRd32.exepid process 1720 AcroRd32.exe 1720 AcroRd32.exe 1720 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
chrome.exedescription pid process target process PID 1376 wrote to memory of 1880 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1880 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1880 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 1360 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 764 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 764 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 764 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe PID 1376 wrote to memory of 372 1376 chrome.exe chrome.exe
Processes
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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\Stoichiometry (Multiple Choice) QP.pdf"1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1720
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1376 -
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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fefb264f50,0x7fefb264f60,0x7fefb264f702⤵PID:1880
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1116,9554914509195944519,6853950082677609994,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1128 /prefetch:22⤵PID:1360
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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=1116,9554914509195944519,6853950082677609994,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1404 /prefetch:82⤵
- Suspicious behavior: EnumeratesProcesses
PID:764
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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=1116,9554914509195944519,6853950082677609994,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1680 /prefetch:82⤵PID:372
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1116,9554914509195944519,6853950082677609994,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2088 /prefetch:12⤵PID:1572
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1116,9554914509195944519,6853950082677609994,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2108 /prefetch:12⤵PID:1540
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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=1116,9554914509195944519,6853950082677609994,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2616 /prefetch:82⤵PID:928
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1116,9554914509195944519,6853950082677609994,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --use-gl=swiftshader-webgl --mojo-platform-channel-handle=3392 /prefetch:22⤵PID:1596
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1116,9554914509195944519,6853950082677609994,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1236 /prefetch:12⤵PID:1300
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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=1116,9554914509195944519,6853950082677609994,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3564 /prefetch:82⤵PID:2104
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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=1116,9554914509195944519,6853950082677609994,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3632 /prefetch:82⤵PID:2112
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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=1116,9554914509195944519,6853950082677609994,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3988 /prefetch:82⤵PID:2200
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1116,9554914509195944519,6853950082677609994,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1948 /prefetch:12⤵PID:2248
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1116,9554914509195944519,6853950082677609994,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3612 /prefetch:12⤵PID:2308
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1116,9554914509195944519,6853950082677609994,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2392 /prefetch:12⤵PID:2400
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1116,9554914509195944519,6853950082677609994,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2492 /prefetch:12⤵PID:2552
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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=1116,9554914509195944519,6853950082677609994,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=836 /prefetch:82⤵PID:2624
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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=1116,9554914509195944519,6853950082677609994,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2620 /prefetch:82⤵PID:2672
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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=1116,9554914509195944519,6853950082677609994,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5028 /prefetch:82⤵
- Suspicious behavior: EnumeratesProcesses
PID:2712
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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=1116,9554914509195944519,6853950082677609994,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3852 /prefetch:82⤵PID:2800
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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=1116,9554914509195944519,6853950082677609994,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4828 /prefetch:82⤵
- Suspicious behavior: EnumeratesProcesses
PID:2812
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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=1116,9554914509195944519,6853950082677609994,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4852 /prefetch:82⤵PID:2876
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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=1116,9554914509195944519,6853950082677609994,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1400 /prefetch:82⤵PID:2916
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1116,9554914509195944519,6853950082677609994,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=24 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=736 /prefetch:12⤵PID:3016
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e