Analysis
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max time kernel
110s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-09-2024 05:12
Static task
static1
Behavioral task
behavioral1
Sample
a9b56eb72c28cff541f7cd8c8febd5d0N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a9b56eb72c28cff541f7cd8c8febd5d0N.exe
Resource
win10v2004-20240802-en
General
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Target
a9b56eb72c28cff541f7cd8c8febd5d0N.exe
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Size
114KB
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MD5
a9b56eb72c28cff541f7cd8c8febd5d0
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SHA1
bcba6bbbc899ab33f2d9c2adecf78a1ac2dfdbbf
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SHA256
e71d0bea7d56ecf4852ddbdd71aba057adf13ff78755467caae58590dba77435
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SHA512
533810e3c8f9b82c42e4aa3edad9263bb0b3d1d9f134caf811a3aba8181e5c5e0994eaa9286dfd12b97f6797a6c70ecbc40fb1104ffac143975ab8ebdb3b5769
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SSDEEP
3072:/y3xG9uGQVwuWmWg9+P3to8VGIoInBGbLMHMb9/x1H:KhG9uGju9tcPdzSIAnF9JB
Malware Config
Signatures
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Modifies firewall policy service 3 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\c:\users\admin\appdata\local\temp\a9b56eb72c28cff541f7cd8c8febd5d0n.exe = "c:\\users\\admin\\appdata\\local\\temp\\a9b56eb72c28cff541f7cd8c8febd5d0n.exe:*:Enabled:System Update" a9b56eb72c28cff541f7cd8c8febd5d0N.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List a9b56eb72c28cff541f7cd8c8febd5d0N.exe -
Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run a9b56eb72c28cff541f7cd8c8febd5d0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\msorcvp = "c:\\windows\\msorcvp.exe" a9b56eb72c28cff541f7cd8c8febd5d0N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run a9b56eb72c28cff541f7cd8c8febd5d0N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\msrpc = "c:\\windows\\msrpc.exe" a9b56eb72c28cff541f7cd8c8febd5d0N.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" a9b56eb72c28cff541f7cd8c8febd5d0N.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\msorcvp = "c:\\windows\\msorcvp.exe" a9b56eb72c28cff541f7cd8c8febd5d0N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\msorcvp = "c:\\windows\\msorcvp.exe" a9b56eb72c28cff541f7cd8c8febd5d0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsassv = "c:\\windows\\lsassv.exe" a9b56eb72c28cff541f7cd8c8febd5d0N.exe -
Enumerates connected drives 3 TTPs 21 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\o: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\m: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\k: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\j: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\u: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\t: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\q: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\p: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\s: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\g: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\n: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\l: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\i: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\h: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\z: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\y: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\x: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\r: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\e: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\w: a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened (read-only) \??\v: a9b56eb72c28cff541f7cd8c8febd5d0N.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created \??\c:\windows\SysWOW64\regedit.exe a9b56eb72c28cff541f7cd8c8febd5d0N.exe -
Drops file in Windows directory 13 IoCs
description ioc Process File created \??\c:\windows\lsassv.exe a9b56eb72c28cff541f7cd8c8febd5d0N.exe File created \??\c:\windows\calc.exe a9b56eb72c28cff541f7cd8c8febd5d0N.exe File created \??\c:\windows\Ãëàâíîå ìåíþ\Ïðîãðàììû\Àâòîçàãðóçêà\AdobeGammaLoader.scr a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened for modification \??\c:\windows\mui\rctfd.sys a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened for modification \??\c:\windows\msorcvp.exe a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened for modification \??\c:\windows\lsassv.exe a9b56eb72c28cff541f7cd8c8febd5d0N.exe File created \??\c:\windows\msrpc.exe a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened for modification \??\c:\windows\msrpc.exe a9b56eb72c28cff541f7cd8c8febd5d0N.exe File created \??\c:\windows\Start Menu\Programs\Startup\AdobeGammaLoader.scr a9b56eb72c28cff541f7cd8c8febd5d0N.exe File created \??\c:\windows\regedit2.exe a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened for modification \??\c:\windows\regedit2.exe a9b56eb72c28cff541f7cd8c8febd5d0N.exe File created \??\c:\windows\msorcvp.exe a9b56eb72c28cff541f7cd8c8febd5d0N.exe File opened for modification \??\c:\windows\calc.exe a9b56eb72c28cff541f7cd8c8febd5d0N.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A} a9b56eb72c28cff541f7cd8c8febd5d0N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\ThisEXE = "c:\\users\\admin\\appdata\\local\\temp\\a9b56eb72c28cff541f7cd8c8febd5d0n.exe" a9b56eb72c28cff541f7cd8c8febd5d0N.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\VerProg = "138" a9b56eb72c28cff541f7cd8c8febd5d0N.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1636 a9b56eb72c28cff541f7cd8c8febd5d0N.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a9b56eb72c28cff541f7cd8c8febd5d0N.exe"C:\Users\Admin\AppData\Local\Temp\a9b56eb72c28cff541f7cd8c8febd5d0N.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:1636
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
114KB
MD5923edf5c48e16f2645eaa61ac6e110aa
SHA1446f243af745d65856118d18a40ea946fd324931
SHA256f5af7a4f2c9346aaa8ab5fe8707a43faa2abde5d312b43ca5b459c023cbb974e
SHA51279065fc2fcffb41ae728f4fcdc44ef5b78577c44735dceaf6b065eb4c6f6c89ebec2ff9e90a0dbfa25b7534b966e7c3eebb82bbf48c4b36ed51672f72f44599c