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Analysis
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max time kernel
151s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
20/09/2022, 05:03
Static task
static1
Behavioral task
behavioral1
Sample
HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe
Resource
win10v2004-20220812-en
General
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Target
HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe
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Size
322KB
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MD5
39f33d6842fa6495ccd7a41e8ddcb9b8
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SHA1
61cd2b3e22e2e6e514d611d3154e001f7e9fd195
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SHA256
416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb
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SHA512
97e8b15b82b70efebbf5cbfbbd4ac4925a7300049f5866bf01b59396de43c633342b5bc2ed657aae573c9f77e2dd20fe67234110aef048c49a2af9c8bd45dc29
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SSDEEP
3072:iMMFnguNpdYSkMXV2KMMEuWgY792XaY6UTuuAk2usbA+klAGPqhdp4efHxub8ehY:ideMXVeuWgY79OWpmq/yQxuAeS9Jb/
Malware Config
Signatures
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Modifies extensions of user files 8 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File created C:\Users\Admin\Pictures\RestartDismount.png.Locked HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe File created C:\Users\Admin\Pictures\ShowPop.tif.Locked HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe File created C:\Users\Admin\Pictures\WriteRestart.tif.Locked HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe File created C:\Users\Admin\Pictures\ConvertFromSet.tiff.Locked HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe File opened for modification C:\Users\Admin\Pictures\ConvertFromSet.tiff HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe File created C:\Users\Admin\Pictures\CopyRepair.crw.Locked HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe File created C:\Users\Admin\Pictures\FormatOut.raw.Locked HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe File created C:\Users\Admin\Pictures\GetMount.tif.Locked HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe -
Drops desktop.ini file(s) 5 IoCs
description ioc Process File opened for modification C:\Users\Admin\Pictures\desktop.ini HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe File opened for modification C:\Users\Admin\Documents\desktop.ini HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe"C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.MSIL.Crypren.gen-416d2f821b7cb984859cfce43be981c5c9bc1489446ba41951c041d5801b65cb.exe"1⤵
- Modifies extensions of user files
- Drops desktop.ini file(s)
PID:4988