General
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Target
error.png
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Size
95KB
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Sample
231126-xaftdsbb9z
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MD5
d15d185040644f380dcee30d8093a8fa
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SHA1
03b6c33fdc59a2acd4da06eb39e4d650d2458f45
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SHA256
49f91777deb39c4491134663519df906466b07a82c440c4109cdc3101a46f886
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SHA512
01c89cbf6a5100bf5e27326ab3571e0ddc99f55cbe525cf51ef4e9a7c4e12d9cc438e302adfcd8c3ebed73278fc3302e030a2ecf5e9984ad38023d8aed2335cb
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SSDEEP
1536:hskk94Tvbju3a2Y0HrBo9OhFojFJ8NauGU3XCRN5GOGJvXNUQ14n50z:hrvbjTJ0loAhmjn8NafMXUT+1UQ+n50z
Static task
static1
Behavioral task
behavioral1
Sample
error.jpg
Resource
win10v2004-20231023-en
Malware Config
Extracted
C:\Program Files\7-Zip\Lang\DECRYPT_YOUR_FILES.HTML
Targets
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Target
error.png
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Size
95KB
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MD5
d15d185040644f380dcee30d8093a8fa
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SHA1
03b6c33fdc59a2acd4da06eb39e4d650d2458f45
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SHA256
49f91777deb39c4491134663519df906466b07a82c440c4109cdc3101a46f886
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SHA512
01c89cbf6a5100bf5e27326ab3571e0ddc99f55cbe525cf51ef4e9a7c4e12d9cc438e302adfcd8c3ebed73278fc3302e030a2ecf5e9984ad38023d8aed2335cb
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SSDEEP
1536:hskk94Tvbju3a2Y0HrBo9OhFojFJ8NauGU3XCRN5GOGJvXNUQ14n50z:hrvbjTJ0loAhmjn8NafMXUT+1UQ+n50z
Score10/10-
Renames multiple (266) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Disables Task Manager via registry modification
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Downloads MZ/PE file
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Manipulates Digital Signatures
Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Drops file in System32 directory
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