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Analysis
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max time kernel
87s -
max time network
204s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
02/05/2023, 19:47
Static task
static1
Behavioral task
behavioral1
Sample
guiformat.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
guiformat.exe
Resource
win10v2004-20230220-en
General
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Target
guiformat.exe
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Size
76KB
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MD5
2459a629ace148286360b860442221a2
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SHA1
e1530fe47f34bfb18c7c01ce60010c7ff80652dd
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SHA256
647fb4f5108af632c3d52fec34934922c50c70585697504e92fb80b3b7d05ee3
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SHA512
3db860433a6522eff77736e1dc28c76543c2cce58e054f08700e781c52674dfa35f355853a1ee73c255956ea0ffbe47f288bc7b5f1e27be6d1eda07ecb27782e
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SSDEEP
1536:aihX6I+ob6rhXaHTcOgECqvec4ZoGcy0I:0I+UchNOgECUecGoGT
Malware Config
Signatures
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Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer chrome.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2012 chrome.exe 2012 chrome.exe -
Suspicious use of AdjustPrivilegeToken 54 IoCs
description pid Process Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe Token: SeShutdownPrivilege 2012 chrome.exe -
Suspicious use of FindShellTrayWindow 50 IoCs
pid Process 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe -
Suspicious use of SendNotifyMessage 48 IoCs
pid Process 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe 2012 chrome.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2012 wrote to memory of 1752 2012 chrome.exe 29 PID 2012 wrote to memory of 1752 2012 chrome.exe 29 PID 2012 wrote to memory of 1752 2012 chrome.exe 29 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1052 2012 chrome.exe 31 PID 2012 wrote to memory of 1308 2012 chrome.exe 33 PID 2012 wrote to memory of 1308 2012 chrome.exe 33 PID 2012 wrote to memory of 1308 2012 chrome.exe 33 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32 PID 2012 wrote to memory of 600 2012 chrome.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\guiformat.exe"C:\Users\Admin\AppData\Local\Temp\guiformat.exe"1⤵PID:1220
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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 AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2012 -
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=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6959758,0x7fef6959768,0x7fef69597782⤵PID:1752
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1232 --field-trial-handle=1408,i,14929909305571488744,17671095788552164637,131072 /prefetch:22⤵PID:1052
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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 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1640 --field-trial-handle=1408,i,14929909305571488744,17671095788552164637,131072 /prefetch:82⤵PID:600
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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 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1544 --field-trial-handle=1408,i,14929909305571488744,17671095788552164637,131072 /prefetch:82⤵PID:1308
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2268 --field-trial-handle=1408,i,14929909305571488744,17671095788552164637,131072 /prefetch:12⤵PID:1876
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2280 --field-trial-handle=1408,i,14929909305571488744,17671095788552164637,131072 /prefetch:12⤵PID:1748
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3580 --field-trial-handle=1408,i,14929909305571488744,17671095788552164637,131072 /prefetch:22⤵PID:2096
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=2312 --field-trial-handle=1408,i,14929909305571488744,17671095788552164637,131072 /prefetch:22⤵PID:2188
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=1388 --field-trial-handle=1408,i,14929909305571488744,17671095788552164637,131072 /prefetch:12⤵PID:2264
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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 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3784 --field-trial-handle=1408,i,14929909305571488744,17671095788552164637,131072 /prefetch:82⤵PID:2336
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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 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3952 --field-trial-handle=1408,i,14929909305571488744,17671095788552164637,131072 /prefetch:82⤵PID:2356
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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 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2388 --field-trial-handle=1408,i,14929909305571488744,17671095788552164637,131072 /prefetch:82⤵PID:2720
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C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"1⤵PID:1564
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\904f5ffb-3b2f-439b-b170-c9d8718d2a67.tmp
Filesize4KB
MD5adb6fa1c3778fb88a509dbf4b3fd588f
SHA12063d5bc107a9a266f7c87e52ff85e349ff4bd37
SHA256506289956195798b4c509a90ac6dd92ad5e7dec280bbfa5ced08d580b94616ce
SHA512808edf415a7b05bd854fe9adaab5d710d0727a2203d86edb21439e2c9432638f9f4d42e98590eaadff02f816e9d1b9ca2112f20ad5f61e429f7ce3191cc92c74
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Filesize
264KB
MD5f50f89a0a91564d0b8a211f8921aa7de
SHA1112403a17dd69d5b9018b8cede023cb3b54eab7d
SHA256b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
SHA512bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58
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C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\CURRENT~RF6e5439.TMP
Filesize16B
MD546295cac801e5d4857d09837238a6394
SHA144e0fa1b517dbf802b18faf0785eeea6ac51594b
SHA2560f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
SHA5128969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23
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Filesize
4KB
MD5677fe90a15ba8b65513beef9ef098d3a
SHA124f505a7bfeb27317d9431d56c1e2e3032443cd6
SHA2563d9980bb0f0da7ab24509262072d540fca67688639551eb30929c45d3140af2d
SHA512c9314cec4ecf236e5fb3aada70be08b24c455ebd0f7da33e702c19724f4a072a20edff7da60ef2c535b1735b7518c196b92c96b537943e613710a2660c223553
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Filesize
16B
MD56752a1d65b201c13b62ea44016eb221f
SHA158ecf154d01a62233ed7fb494ace3c3d4ffce08b
SHA2560861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
SHA5129cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389