Analysis
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max time kernel
184s -
max time network
186s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2022 10:33
Static task
static1
Behavioral task
behavioral1
Sample
d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe
Resource
win10v2004-20220812-en
General
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Target
d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe
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Size
1.3MB
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MD5
ec2956b6cbb318cae62144bbd66acb09
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SHA1
99f8af1dfd7d05fcd5b0705e491864989c6009b2
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SHA256
d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf
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SHA512
be5dacd97f5dd61856922c87b7dd91e7c99f8f0b13d97e12089e9ec885b5971050f6e48af05a666a5e2397447718a81e3bc436af217fa67c12170e1b826b57b9
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SSDEEP
24576:DI5VvoMUvFad6tBWHklD3nuBzhGS8COmvpJrElyczC8DVVcW1GxAbMrlVXMGxYoo:DI5VBIagtBWHklLn+lG36hczTDnGaMrC
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4864-133-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-135-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-136-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-137-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-138-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-140-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-142-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-144-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-146-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-148-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-150-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-152-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-154-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-156-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-158-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-160-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-162-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-164-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-166-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-168-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-174-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-172-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-170-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-176-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-178-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-179-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/4864-181-0x0000000010000000-0x000000001003D000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run msedge.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\08fff15a-3129-4acd-a40b-3b26d3ca1ee7.tmp setup.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20221203182417.pma setup.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\sken.mcs d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName msedge.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ msedge.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4028 msedge.exe 4028 msedge.exe 2156 msedge.exe 2156 msedge.exe 4536 identity_helper.exe 4536 identity_helper.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
pid Process 2156 msedge.exe 2156 msedge.exe 2156 msedge.exe 2156 msedge.exe 2156 msedge.exe 2156 msedge.exe 2156 msedge.exe 2156 msedge.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4864 d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe Token: 33 4864 d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe Token: SeIncBasePriorityPrivilege 4864 d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe Token: 33 4864 d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe Token: SeIncBasePriorityPrivilege 4864 d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2156 msedge.exe 2156 msedge.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4864 d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe 4864 d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe 4864 d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe 4864 d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe 4864 d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4864 wrote to memory of 2156 4864 d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe 81 PID 4864 wrote to memory of 2156 4864 d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe 81 PID 2156 wrote to memory of 224 2156 msedge.exe 83 PID 2156 wrote to memory of 224 2156 msedge.exe 83 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 2392 2156 msedge.exe 86 PID 2156 wrote to memory of 4028 2156 msedge.exe 87 PID 2156 wrote to memory of 4028 2156 msedge.exe 87 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88 PID 2156 wrote to memory of 1000 2156 msedge.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe"C:\Users\Admin\AppData\Local\Temp\d08377c6fcfa225f85831709fb39431fa13d49c345524a62b54764e5376361cf.exe"1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.cftiyanfu.com/2⤵
- Adds Run key to start application
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xf8,0x108,0x7ffaa4ae46f8,0x7ffaa4ae4708,0x7ffaa4ae47183⤵PID:224
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2096,3279384312559689031,1231620188543155075,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2248 /prefetch:23⤵PID:2392
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2096,3279384312559689031,1231620188543155075,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2312 /prefetch:33⤵
- Suspicious behavior: EnumeratesProcesses
PID:4028
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2096,3279384312559689031,1231620188543155075,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2772 /prefetch:83⤵PID:1000
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,3279384312559689031,1231620188543155075,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3348 /prefetch:13⤵PID:5024
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,3279384312559689031,1231620188543155075,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3360 /prefetch:13⤵PID:1600
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2096,3279384312559689031,1231620188543155075,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4716 /prefetch:83⤵PID:2188
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,3279384312559689031,1231620188543155075,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5548 /prefetch:13⤵PID:1916
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,3279384312559689031,1231620188543155075,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5628 /prefetch:13⤵PID:3836
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2096,3279384312559689031,1231620188543155075,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5844 /prefetch:83⤵PID:3628
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C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2096,3279384312559689031,1231620188543155075,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6228 /prefetch:83⤵PID:4708
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C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings3⤵
- Drops file in Program Files directory
PID:2128 -
C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x7ff6f1fd5460,0x7ff6f1fd5470,0x7ff6f1fd54804⤵PID:2132
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C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2096,3279384312559689031,1231620188543155075,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6228 /prefetch:83⤵
- Suspicious behavior: EnumeratesProcesses
PID:4536
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,3279384312559689031,1231620188543155075,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6056 /prefetch:13⤵PID:4328
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,3279384312559689031,1231620188543155075,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3748 /prefetch:13⤵PID:4128
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,3279384312559689031,1231620188543155075,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5856 /prefetch:13⤵PID:1856
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2096,3279384312559689031,1231620188543155075,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5908 /prefetch:83⤵PID:4800
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,3279384312559689031,1231620188543155075,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2660 /prefetch:13⤵PID:4016
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3880