Analysis
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max time kernel
63s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
06/12/2022, 08:02
Static task
static1
Behavioral task
behavioral1
Sample
b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe
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Size
456KB
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MD5
8aa739b931758e1e365db4825da4f5ad
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SHA1
aaee2edf8138372eefbe7e29194b81a13d7b6f11
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SHA256
b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0
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SHA512
d5d259b5e3420e577f1ff9983e434b22267e7e020836d11a114159b477ace792c5e25b649a1f37a42bf3744d09d5bcbb62e3b01e2571a2c885a2c0758ab19640
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SSDEEP
6144:4DhMq4zPd+Nfhbm7n+D5ub9v95oingRyS4tV4Rts2t7Zfxfs287FbbxUtPl2:/zF+Nfhbm8m7nnguctdt1fF8std2
Score
10/10
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\c:\users\admin\appdata\local\temp\b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe = "c:\\users\\admin\\appdata\\local\\temp\\b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe:*:Enabled:System Update" b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe -
Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\winsys = "c:\\windows\\winsys.exe" b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\msrpc = "c:\\windows\\msrpc.exe" b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\winsys\ImagePath = "c:\\windows\\winsys.exe" b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe -
Adds Run key to start application 2 TTPs 6 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\winsys = "c:\\windows\\winsys.exe" b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsassv = "c:\\windows\\lsassv.exe" b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\winsys = "c:\\windows\\winsys.exe" b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\v: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\r: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\k: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\j: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\e: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\f: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\z: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\y: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\h: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\n: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\w: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\s: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\q: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\o: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\i: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\u: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\p: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\m: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\l: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\x: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\t: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened (read-only) \??\g: b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created \??\c:\windows\SysWOW64\regedit.exe b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe -
Drops file in Windows directory 13 IoCs
description ioc Process File opened for modification \??\c:\windows\winsys.exe b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File created \??\c:\windows\lsassv.exe b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened for modification \??\c:\windows\lsassv.exe b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened for modification \??\c:\windows\msrpc.exe b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File created \??\c:\windows\calc.exe b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File created \??\c:\windows\Start Menu\Programs\Startup\AdobeGammaLoader.scr b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened for modification \??\c:\windows\mui\rctfd.sys b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File created \??\c:\windows\winsys.exe b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File created \??\c:\windows\msrpc.exe b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened for modification \??\c:\windows\calc.exe b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File created \??\c:\windows\regedit2.exe b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File opened for modification \??\c:\windows\regedit2.exe b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe File created \??\c:\windows\Ãëàâíîå ìåíþ\Ïðîãðàììû\Àâòîçàãðóçêà\AdobeGammaLoader.scr b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A} b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\ThisEXE = "c:\\users\\admin\\appdata\\local\\temp\\b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe" b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\VerProg = "144" b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1404 b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe"C:\Users\Admin\AppData\Local\Temp\b587db23ae68c5106ef4f9f9af9a7b6746f9b79fd016ea91eaf53c9b8a8036d0.exe"1⤵
- Modifies firewall policy service
- Adds policy Run key to start application
- Sets service image path in registry
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:1404