Analysis
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max time kernel
91s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 09:01
Static task
static1
Behavioral task
behavioral1
Sample
946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe
Resource
win10v2004-20220901-en
General
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Target
946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe
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Size
326KB
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MD5
57c64912e6ce05cbb0550aab2dc9bed7
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SHA1
5026faead451e4324ed150f5ac874225626e551b
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SHA256
946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc
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SHA512
0f4247b5de7e0b9ac1a78e82e4b27618e297d90c4a2782b34a64b1321ad6cfe3f3239710c07c9f58d4f00f1823f5cc1dd0d8628ed62f1706a8d255d44aa0cffe
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SSDEEP
6144:yz+92mhAMJ/cPl3iZM+OS/ku0SOfZcfVKYLXCeT6tZbQG/fuSuNUqBBJWphERnd:yK2mhAMJ/cPlL+OSsu0/hcfVKYLXCeTD
Malware Config
Signatures
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Processes:
Chromium.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Chromium.exe -
Executes dropped EXE 2 IoCs
Processes:
installer.exeChromium.exepid process 1392 installer.exe 2184 Chromium.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exeWScript.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation WScript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
Chromium.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run Chromium.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Google Chromium = "\"C:\\Users\\Admin\\AppData\\Roaming\\Chromium.exe\"" Chromium.exe -
Processes:
Chromium.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Chromium.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
Processes:
946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings 946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
installer.exeChromium.exepid process 1392 installer.exe 1392 installer.exe 2184 Chromium.exe 2184 Chromium.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exeWScript.exeinstaller.exeChromium.exedescription pid process target process PID 4216 wrote to memory of 5056 4216 946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe WScript.exe PID 4216 wrote to memory of 5056 4216 946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe WScript.exe PID 4216 wrote to memory of 5056 4216 946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe WScript.exe PID 5056 wrote to memory of 1392 5056 WScript.exe installer.exe PID 5056 wrote to memory of 1392 5056 WScript.exe installer.exe PID 5056 wrote to memory of 1392 5056 WScript.exe installer.exe PID 1392 wrote to memory of 2184 1392 installer.exe Chromium.exe PID 1392 wrote to memory of 2184 1392 installer.exe Chromium.exe PID 1392 wrote to memory of 2184 1392 installer.exe Chromium.exe PID 2184 wrote to memory of 1652 2184 Chromium.exe schtasks.exe PID 2184 wrote to memory of 1652 2184 Chromium.exe schtasks.exe PID 2184 wrote to memory of 1652 2184 Chromium.exe schtasks.exe PID 2184 wrote to memory of 1944 2184 Chromium.exe schtasks.exe PID 2184 wrote to memory of 1944 2184 Chromium.exe schtasks.exe PID 2184 wrote to memory of 1944 2184 Chromium.exe schtasks.exe -
System policy modification 1 TTPs 2 IoCs
Processes:
Chromium.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System Chromium.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Chromium.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe"C:\Users\Admin\AppData\Local\Temp\946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe"1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4216 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\setup.vbs"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Users\Admin\AppData\Local\Temp\installer.exe"C:\Users\Admin\AppData\Local\Temp\installer.exe" 2014.CCC3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Users\Admin\AppData\Roaming\Chromium.exeC:\Users\Admin\AppData\Roaming\Chromium.exe4⤵
- UAC bypass
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2184 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Delete /TN GoogleUpdateTaskMachineCore /F5⤵PID:1652
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C:\Windows\SysWOW64\schtasks.exeschtasks /Delete /TN GoogleUpdateTaskMachineUA /F5⤵PID:1944
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
419KB
MD5d8a118d85c961555d8cb852027a41b5f
SHA1ec58e66c540bb3cf2e13df533d1c405735e1dee4
SHA256b421dd6a12113baba95a4ad55b5c3583952f01b06b06706796da81cfdb4e066a
SHA512c62bde771048af33d3abc907a391087d053193d42274edaa4c3112e5589ce93083249598d52681b16b09cccbdb85d83ba04dc8d34f2f3dc377aa04197315c537
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Filesize
419KB
MD5d8a118d85c961555d8cb852027a41b5f
SHA1ec58e66c540bb3cf2e13df533d1c405735e1dee4
SHA256b421dd6a12113baba95a4ad55b5c3583952f01b06b06706796da81cfdb4e066a
SHA512c62bde771048af33d3abc907a391087d053193d42274edaa4c3112e5589ce93083249598d52681b16b09cccbdb85d83ba04dc8d34f2f3dc377aa04197315c537
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Filesize
58B
MD5d0f82f0f532333cc394c3d65637a363c
SHA1233b8003d2c178e470f6156b9d9c17cc49169b53
SHA256c91fd6426ca8672e750d34ccf3cda0f36226427cff492fe9a4525a5e89202ec4
SHA51265a82ef5474ac69038bef1660fa816ad1256d82cb5130b2401e272951f688506dba8f4fbda73799db0394c4950c7bf8b2278abd939e5b617fa2de50f6653f5ab
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Filesize
419KB
MD5d8a118d85c961555d8cb852027a41b5f
SHA1ec58e66c540bb3cf2e13df533d1c405735e1dee4
SHA256b421dd6a12113baba95a4ad55b5c3583952f01b06b06706796da81cfdb4e066a
SHA512c62bde771048af33d3abc907a391087d053193d42274edaa4c3112e5589ce93083249598d52681b16b09cccbdb85d83ba04dc8d34f2f3dc377aa04197315c537
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Filesize
419KB
MD5d8a118d85c961555d8cb852027a41b5f
SHA1ec58e66c540bb3cf2e13df533d1c405735e1dee4
SHA256b421dd6a12113baba95a4ad55b5c3583952f01b06b06706796da81cfdb4e066a
SHA512c62bde771048af33d3abc907a391087d053193d42274edaa4c3112e5589ce93083249598d52681b16b09cccbdb85d83ba04dc8d34f2f3dc377aa04197315c537