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Analysis
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max time kernel
155s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
08/01/2024, 20:07
General
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Target
a23bb58ae7ffb23c1f5b877d87978b10.exe
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Size
1012KB
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MD5
a23bb58ae7ffb23c1f5b877d87978b10
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SHA1
2d3a5f3894325fa1553507c15be3fcc34eec9cca
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SHA256
969d86f872448654ec18e98d7277ff124b7cc26f515008a954bd21d10b35a586
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SHA512
dd185942e486343c479a3f87b37175893d5fd51aeb7d721959f582560c3fe87fcbca614f491b8fa90fb318053dee62a546ae8eac7ba25bdcc3cd3ee92990ec10
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SSDEEP
12288:k1/aGLDCMNpNAkoSzZWD8ayX2MQCw7D0INK4h1oWxJpcEi0/3IWV//7cSdbuPcCn:k1/aGLDCM4D8ayGM0R3o8/HuPfDQy
Malware Config
Extracted
sality
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
http://www.klkjwre9fqwieluoi.info/
http://kukutrustnet777888.info/
Signatures
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Modifies firewall policy service 2 TTPs 3 IoCs
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Sality
Sality is backdoor written in C++, first discovered in 2003.
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UAC bypass 3 TTPs 1 IoCs
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Windows security bypass 2 TTPs 6 IoCs
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Disables RegEdit via registry modification 1 IoCs
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Disables Task Manager via registry modification
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Executes dropped EXE 1 IoCs
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UPX packed file 8 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Windows security modification 2 TTPs 7 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Drops file in Windows directory 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of WriteProcessMemory 23 IoCs
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System policy modification 1 TTPs 1 IoCs
Processes
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C:\Windows\system32\dwm.exe"dwm.exe"1⤵
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca1⤵
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca1⤵
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\a23bb58ae7ffb23c1f5b877d87978b10.exe"C:\Users\Admin\AppData\Local\Temp\a23bb58ae7ffb23c1f5b877d87978b10.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\ProgramData\yabdu.exe"C:\ProgramData\yabdu.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵
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C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1012KB
MD560f2c5138fd6e549a90a80479914d976
SHA1be3356d748ed71b9c8366e216fccd48b62fa597a
SHA256ab5bf6f1b9583da15acac6db89a7efe32a455083634e39a32bec6418fb4aa56a
SHA512ee76bf9428ae286ea93586af36a77ccdcc48e9d909adeb04ff08f97da6f3ea3068b2bea4a5a8ea3883df924f495a4e4280bf566d1e15bbd266b5f7f8e0cc63f7
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Filesize
557KB
MD58d0dcbc1481a967175e19dfa204d461e
SHA1e785b892957645d143f1408e71811130f8d3db96
SHA256a723e131c3067b612750c583cab54524721189ed95929f96dc71b326a98e4b72
SHA5128457e9a648ace64fadfc5bc742ec3c1315c5815176a06c3c37271cf4a7cd9b1030dddd1077f353a393435a5442ecc8983c7dd1e0a090d5e3d7711231589af1ba
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Filesize
454KB
MD56517fc29daed7c7ec6473ec5177feb10
SHA1aa9023eab95eead2bae89d30f26c870db4b89251
SHA256143ff08c7206c1b08acf27b36d97d75da838c7a4572f295f76e27c8ce8e7c8bb
SHA5127e55563d0bfb8a65d4a8768245cff9725387e606f0e8bd7b7efc7b42e55d95d8f8c7510e9b5b365e9d1ed799f32b228e80de35f0e52c8554c675f088a78b7d83
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Filesize
288KB
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Filesize
288KB
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Filesize
4KB
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Filesize
392KB
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Filesize
8KB
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Filesize
16.6MB
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Filesize
16.6MB
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Filesize
16.6MB
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Filesize
16.6MB
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Filesize
8KB
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Filesize
16.6MB
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Filesize
8KB
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Filesize
8KB
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Filesize
392KB
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Filesize
16.6MB
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Filesize
16.6MB
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Filesize
16.6MB