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240601-dnb8ksfg4w 3Analysis
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max time kernel
60s -
max time network
64s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
01/06/2024, 02:44
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Sleepy_Client-V1.1.0.dll
Resource
win7-20240221-en
windows7-x64
8 signatures
150 seconds
General
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Target
Sleepy_Client-V1.1.0.dll
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Size
227KB
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MD5
e1e1b60e42260feb2b050f65d5de94ae
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SHA1
8a319cb46853a11efc52cf7293c764909c3cdbef
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SHA256
f41a447f673c34d7fc2bae1f60ba0f3a5608443dfff491179109bb0de393a3dd
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SHA512
8d20957dc9dd6749828f78bf5c3a60b1d0ef531d7a1ac096f59f24eaba235a22c7b992d365a233006579e0a27ee98115ec0d16e0ede51a1c8782f653eeba720e
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SSDEEP
6144:ezu8YpgkQeOAVu2uRuaujfefNo4rKZzQI9:ezuPpgkQeOAVu2uRuaujWfNo4eZF
Score
1/10
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 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F2E088F1-1FC0-11EF-A01B-4AADDC6219DF} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2332 chrome.exe 2332 chrome.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 2332 chrome.exe Token: SeShutdownPrivilege 2332 chrome.exe Token: SeShutdownPrivilege 2332 chrome.exe Token: SeShutdownPrivilege 2332 chrome.exe Token: SeShutdownPrivilege 2332 chrome.exe Token: SeShutdownPrivilege 2332 chrome.exe -
Suspicious use of FindShellTrayWindow 35 IoCs
pid Process 1944 iexplore.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe -
Suspicious use of SendNotifyMessage 32 IoCs
pid Process 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe 2332 chrome.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1944 iexplore.exe 1944 iexplore.exe 2768 IEXPLORE.EXE 2768 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1944 wrote to memory of 2768 1944 iexplore.exe 30 PID 1944 wrote to memory of 2768 1944 iexplore.exe 30 PID 1944 wrote to memory of 2768 1944 iexplore.exe 30 PID 1944 wrote to memory of 2768 1944 iexplore.exe 30 PID 2332 wrote to memory of 2324 2332 chrome.exe 36 PID 2332 wrote to memory of 2324 2332 chrome.exe 36 PID 2332 wrote to memory of 2324 2332 chrome.exe 36 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2808 2332 chrome.exe 38 PID 2332 wrote to memory of 2844 2332 chrome.exe 39 PID 2332 wrote to memory of 2844 2332 chrome.exe 39 PID 2332 wrote to memory of 2844 2332 chrome.exe 39 PID 2332 wrote to memory of 2824 2332 chrome.exe 40 PID 2332 wrote to memory of 2824 2332 chrome.exe 40 PID 2332 wrote to memory of 2824 2332 chrome.exe 40 PID 2332 wrote to memory of 2824 2332 chrome.exe 40 PID 2332 wrote to memory of 2824 2332 chrome.exe 40 PID 2332 wrote to memory of 2824 2332 chrome.exe 40 PID 2332 wrote to memory of 2824 2332 chrome.exe 40 PID 2332 wrote to memory of 2824 2332 chrome.exe 40 PID 2332 wrote to memory of 2824 2332 chrome.exe 40 PID 2332 wrote to memory of 2824 2332 chrome.exe 40 PID 2332 wrote to memory of 2824 2332 chrome.exe 40 PID 2332 wrote to memory of 2824 2332 chrome.exe 40 PID 2332 wrote to memory of 2824 2332 chrome.exe 40 PID 2332 wrote to memory of 2824 2332 chrome.exe 40 PID 2332 wrote to memory of 2824 2332 chrome.exe 40
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Sleepy_Client-V1.1.0.dll,#11⤵PID:1616
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1944 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2768
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:2408
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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:2332 -
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,0x7fef5d19758,0x7fef5d19768,0x7fef5d197782⤵PID:2324
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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=1192 --field-trial-handle=1208,i,61851215911379676,16950984201777572107,131072 /prefetch:22⤵PID:2808
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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=1524 --field-trial-handle=1208,i,61851215911379676,16950984201777572107,131072 /prefetch:82⤵PID:2844
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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=1660 --field-trial-handle=1208,i,61851215911379676,16950984201777572107,131072 /prefetch:82⤵PID:2824
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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 --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2332 --field-trial-handle=1208,i,61851215911379676,16950984201777572107,131072 /prefetch:12⤵PID:1408
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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 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2420 --field-trial-handle=1208,i,61851215911379676,16950984201777572107,131072 /prefetch:12⤵PID:540
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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=1476 --field-trial-handle=1208,i,61851215911379676,16950984201777572107,131072 /prefetch:22⤵PID:1860
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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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3212 --field-trial-handle=1208,i,61851215911379676,16950984201777572107,131072 /prefetch:12⤵PID:2860
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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=3436 --field-trial-handle=1208,i,61851215911379676,16950984201777572107,131072 /prefetch:82⤵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=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3476 --field-trial-handle=1208,i,61851215911379676,16950984201777572107,131072 /prefetch:82⤵PID:2156
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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=3672 --field-trial-handle=1208,i,61851215911379676,16950984201777572107,131072 /prefetch:82⤵PID:1948
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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:608
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
264KB
MD5f50f89a0a91564d0b8a211f8921aa7de
SHA1112403a17dd69d5b9018b8cede023cb3b54eab7d
SHA256b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
SHA512bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58
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Filesize
16B
MD5aefd77f47fb84fae5ea194496b44c67a
SHA1dcfbb6a5b8d05662c4858664f81693bb7f803b82
SHA2564166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611
SHA512b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3
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Filesize
16B
MD518e723571b00fb1694a3bad6c78e4054
SHA1afcc0ef32d46fe59e0483f9a3c891d3034d12f32
SHA2568af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa
SHA51243bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2
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Filesize
271KB
MD55bae10d0823f80db5ac6e0c7fdb3b464
SHA1b08058ac1111004af4886d73ce445784b15ffa1f
SHA256d53ae30649f2f16f047c9dfd1738e5bd608af3a686b066d3812fa4331010d209
SHA51298fd1284ea1f5cc70f2575a327bc39bdd8459f568648107b422729c133798aaf7ed65f7bb4eff65e81084a563cf52ee1b3ae0ae247b2abc4f8e4e2dc0f9b327e