General
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Target
zbi.exe
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Size
146KB
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Sample
240816-s3nbqasfka
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MD5
6edfb62405f50d7fb16882ca9b16ed36
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SHA1
73c346267e9527ca5886bf8a90b77f9ebceb58fe
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SHA256
315d043b99f988ce9d9f69d7225292eb44623a97c1a029933b62ede699fa9f13
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SHA512
b3ea04a001c846af5d93435db055986a448fc5d01e86a9292937ce085609b653d41719111d2d031c8b6694eb01d5856e86f9e1a65e8cdc43af51a8ed3d370d2f
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SSDEEP
3072:PqJogYkcSNm9V7DGoNK696RTpfnEsCygHQlyT:Pq2kc4m9tDHNK6UlJ9CyN
Behavioral task
behavioral1
Sample
zbi.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
zbi.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
zbi.exe
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Size
146KB
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MD5
6edfb62405f50d7fb16882ca9b16ed36
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SHA1
73c346267e9527ca5886bf8a90b77f9ebceb58fe
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SHA256
315d043b99f988ce9d9f69d7225292eb44623a97c1a029933b62ede699fa9f13
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SHA512
b3ea04a001c846af5d93435db055986a448fc5d01e86a9292937ce085609b653d41719111d2d031c8b6694eb01d5856e86f9e1a65e8cdc43af51a8ed3d370d2f
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SSDEEP
3072:PqJogYkcSNm9V7DGoNK696RTpfnEsCygHQlyT:Pq2kc4m9tDHNK6UlJ9CyN
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Renames multiple (376) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Executes dropped EXE
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Loads dropped DLL
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Drops desktop.ini file(s)
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Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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