Analysis
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max time kernel
78s -
max time network
30s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
03/12/2022, 14:54
Static task
static1
Behavioral task
behavioral1
Sample
b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe
Resource
win7-20221111-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe
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Size
115KB
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MD5
b0654f6cf50158e00bbaa1985d40dbc8
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SHA1
86ca2dce9a9fa06aa05112bed05ac5230d41bc2f
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SHA256
b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c
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SHA512
62ef835ce8529d8f4092b0bd6732b6b4f4d08bc9a966f992387479e55375cee878f778c0bdc77f7be385a17cf80a796de2170372c0a07d25a33d04d23fc1a477
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SSDEEP
3072:uiHxG9wjYw4cXmCynkpEPJlXnOV8DgtaCGF9/vh:HRG9CIcWCiJldWQ9R
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 b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\c:\users\admin\appdata\local\temp\b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe = "c:\\users\\admin\\appdata\\local\\temp\\b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe:*:Enabled:System Update" b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe -
Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\msrpc = "c:\\windows\\msrpc.exe" b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\msorcvp = "c:\\windows\\msorcvp.exe" b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\msorcvp\ImagePath = "c:\\windows\\msorcvp.exe" b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe -
Adds Run key to start application 2 TTPs 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\msorcvp = "c:\\windows\\msorcvp.exe" b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsassv = "c:\\windows\\lsassv.exe" b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\msorcvp = "c:\\windows\\msorcvp.exe" b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.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) \??\k: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\f: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\y: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\w: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\u: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\q: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\n: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\z: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\x: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\v: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\p: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\m: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\j: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\t: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\s: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\r: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\o: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\l: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\e: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\i: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\h: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened (read-only) \??\g: b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created \??\c:\windows\SysWOW64\regedit.exe b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe -
Drops file in Windows directory 13 IoCs
description ioc Process File created \??\c:\windows\lsassv.exe b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File created \??\c:\windows\msrpc.exe b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File created \??\c:\windows\regedit2.exe b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened for modification \??\c:\windows\regedit2.exe b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File created \??\c:\windows\Ãëàâíîå ìåíþ\Ïðîãðàììû\Àâòîçàãðóçêà\AdobeGammaLoader.scr b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File created \??\c:\windows\Start Menu\Programs\Startup\AdobeGammaLoader.scr b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened for modification \??\c:\windows\calc.exe b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened for modification \??\c:\windows\mui\rctfd.sys b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File created \??\c:\windows\msorcvp.exe b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened for modification \??\c:\windows\msorcvp.exe b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened for modification \??\c:\windows\lsassv.exe b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File opened for modification \??\c:\windows\msrpc.exe b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe File created \??\c:\windows\calc.exe b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe -
Modifies registry class 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\VerProg = "138" b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A} b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\ThisEXE = "c:\\users\\admin\\appdata\\local\\temp\\b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe" b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1420 b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.exe"C:\Users\Admin\AppData\Local\Temp\b43a281df166eb72fc2474fbb992b6b43680dd94c072a5e37bc4d28e3670ba7c.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:1420