Analysis
-
max time kernel
125s -
max time network
161s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20-10-2022 12:32
Static task
static1
Behavioral task
behavioral1
Sample
83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe
Resource
win7-20220812-en
General
-
Target
83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe
-
Size
333KB
-
MD5
48444f60f67180d443f9d9b42f6ffc30
-
SHA1
26aee138c7ea5fc431fef8c481186f125a1550be
-
SHA256
83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256
-
SHA512
44b48d52b150f650bc927341dc8190affb4c73284710a399c4a29a18e6ef4798ca3031faf7f4223cbaa560aa7f84a8d48a9ce1846805e6a8b6a59b148d2bccf3
-
SSDEEP
6144:S5SVBnXauL0gv6TZ9sVDk2Qy8wZ0VR3rRtUYqoCvBy8IO:SoyuT6TZ9w8wQR3LUfNBbI
Malware Config
Signatures
-
Executes dropped EXE 2 IoCs
pid Process 1676 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exe 1756 DesktopLayer.exe -
resource yara_rule behavioral1/memory/1676-59-0x0000000000400000-0x0000000000413000-memory.dmp upx behavioral1/memory/1676-64-0x0000000000400000-0x0000000000413000-memory.dmp upx behavioral1/memory/1756-69-0x0000000000400000-0x0000000000413000-memory.dmp upx -
Loads dropped DLL 4 IoCs
pid Process 1944 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe 1944 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe 1676 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exe 1676 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\H: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\I: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\K: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\N: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\R: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\X: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\Z: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\F: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\O: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\T: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\W: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\Y: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\M: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\G: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\J: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\L: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\P: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\Q: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\U: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\E: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\B: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\S: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\V: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe File opened (read-only) \??\A: 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px26A4.tmp 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe -
Modifies Control Panel 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Control Panel\Desktop\ForegroundLockTimeout = "0" 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{BD4E0DD1-51D0-11ED-8538-4A4A572A2DE9} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373184241" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1756 DesktopLayer.exe 1756 DesktopLayer.exe 1756 DesktopLayer.exe 1756 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2020 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2020 iexplore.exe 2020 iexplore.exe 668 IEXPLORE.EXE 668 IEXPLORE.EXE 668 IEXPLORE.EXE 668 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 1676 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exe 1756 DesktopLayer.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1944 wrote to memory of 1676 1944 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe 28 PID 1944 wrote to memory of 1676 1944 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe 28 PID 1944 wrote to memory of 1676 1944 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe 28 PID 1944 wrote to memory of 1676 1944 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe 28 PID 1676 wrote to memory of 1756 1676 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exe 29 PID 1676 wrote to memory of 1756 1676 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exe 29 PID 1676 wrote to memory of 1756 1676 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exe 29 PID 1676 wrote to memory of 1756 1676 83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exe 29 PID 1756 wrote to memory of 2020 1756 DesktopLayer.exe 30 PID 1756 wrote to memory of 2020 1756 DesktopLayer.exe 30 PID 1756 wrote to memory of 2020 1756 DesktopLayer.exe 30 PID 1756 wrote to memory of 2020 1756 DesktopLayer.exe 30 PID 2020 wrote to memory of 668 2020 iexplore.exe 32 PID 2020 wrote to memory of 668 2020 iexplore.exe 32 PID 2020 wrote to memory of 668 2020 iexplore.exe 32 PID 2020 wrote to memory of 668 2020 iexplore.exe 32
Processes
-
C:\Users\Admin\AppData\Local\Temp\83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe"C:\Users\Admin\AppData\Local\Temp\83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Checks processor information in registry
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Users\Admin\AppData\Local\Temp\83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exeC:\Users\Admin\AppData\Local\Temp\83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2020 CREDAT:275457 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:668
-
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
52KB
MD517efb7e40d4cadaf3a4369435a8772ec
SHA1eb9302063ac2ab599ae93aaa1e45b88bbeacbca2
SHA256f515564b67efd06fa42f57532feafc49d40b0fc36c5d4935300dd55416f0a386
SHA512522fba06304950860fa9aa8933b12b9323dea47dbda363db3f57535396c156c4cf6934a9db38fff8c77503fcb889d030fadb639094a1f34bbad54c79c8734450
-
Filesize
52KB
MD517efb7e40d4cadaf3a4369435a8772ec
SHA1eb9302063ac2ab599ae93aaa1e45b88bbeacbca2
SHA256f515564b67efd06fa42f57532feafc49d40b0fc36c5d4935300dd55416f0a386
SHA512522fba06304950860fa9aa8933b12b9323dea47dbda363db3f57535396c156c4cf6934a9db38fff8c77503fcb889d030fadb639094a1f34bbad54c79c8734450
-
C:\Users\Admin\AppData\Local\Temp\83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exe
Filesize52KB
MD517efb7e40d4cadaf3a4369435a8772ec
SHA1eb9302063ac2ab599ae93aaa1e45b88bbeacbca2
SHA256f515564b67efd06fa42f57532feafc49d40b0fc36c5d4935300dd55416f0a386
SHA512522fba06304950860fa9aa8933b12b9323dea47dbda363db3f57535396c156c4cf6934a9db38fff8c77503fcb889d030fadb639094a1f34bbad54c79c8734450
-
C:\Users\Admin\AppData\Local\Temp\83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exe
Filesize52KB
MD517efb7e40d4cadaf3a4369435a8772ec
SHA1eb9302063ac2ab599ae93aaa1e45b88bbeacbca2
SHA256f515564b67efd06fa42f57532feafc49d40b0fc36c5d4935300dd55416f0a386
SHA512522fba06304950860fa9aa8933b12b9323dea47dbda363db3f57535396c156c4cf6934a9db38fff8c77503fcb889d030fadb639094a1f34bbad54c79c8734450
-
Filesize
608B
MD5423d3dcb59810ca56e1167e3a3b3065b
SHA16030c27c1917cf9cb938ce119b2af448817fc9b0
SHA25626f97912ade5dabd9862aa6b193329b9e491ce914e7a274ecfe316db1dfc2808
SHA51229c6c01401dc7bd16bbe263c5f1d7b8d90553fe25a5a91ecdad148bd8edfdc83c31b61670869a5c59d49e6325855670a632ee79f9fea045198067595cc2b07c6
-
Filesize
52KB
MD517efb7e40d4cadaf3a4369435a8772ec
SHA1eb9302063ac2ab599ae93aaa1e45b88bbeacbca2
SHA256f515564b67efd06fa42f57532feafc49d40b0fc36c5d4935300dd55416f0a386
SHA512522fba06304950860fa9aa8933b12b9323dea47dbda363db3f57535396c156c4cf6934a9db38fff8c77503fcb889d030fadb639094a1f34bbad54c79c8734450
-
Filesize
52KB
MD517efb7e40d4cadaf3a4369435a8772ec
SHA1eb9302063ac2ab599ae93aaa1e45b88bbeacbca2
SHA256f515564b67efd06fa42f57532feafc49d40b0fc36c5d4935300dd55416f0a386
SHA512522fba06304950860fa9aa8933b12b9323dea47dbda363db3f57535396c156c4cf6934a9db38fff8c77503fcb889d030fadb639094a1f34bbad54c79c8734450
-
\Users\Admin\AppData\Local\Temp\83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exe
Filesize52KB
MD517efb7e40d4cadaf3a4369435a8772ec
SHA1eb9302063ac2ab599ae93aaa1e45b88bbeacbca2
SHA256f515564b67efd06fa42f57532feafc49d40b0fc36c5d4935300dd55416f0a386
SHA512522fba06304950860fa9aa8933b12b9323dea47dbda363db3f57535396c156c4cf6934a9db38fff8c77503fcb889d030fadb639094a1f34bbad54c79c8734450
-
\Users\Admin\AppData\Local\Temp\83c96cc290bde2258d4a9901cb55ab694d9f45d46bb4628c3d958dce856de256Srv.exe
Filesize52KB
MD517efb7e40d4cadaf3a4369435a8772ec
SHA1eb9302063ac2ab599ae93aaa1e45b88bbeacbca2
SHA256f515564b67efd06fa42f57532feafc49d40b0fc36c5d4935300dd55416f0a386
SHA512522fba06304950860fa9aa8933b12b9323dea47dbda363db3f57535396c156c4cf6934a9db38fff8c77503fcb889d030fadb639094a1f34bbad54c79c8734450