General
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Target
gunzipped
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Size
212KB
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Sample
210421-gw34tah3ps
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MD5
e8caac54776eac6e3740c9c8426486df
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SHA1
d6720055a125da5922be71b69b3a4078a49642ea
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SHA256
d75c69a49a30595964989b72499ec0e303ff42a0e2a334dda22a9cd9fd7e8ba5
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SHA512
0e16cb730971d507c9767b953c2d320b9b5a8099b736bcb42e92435d13cf77083ad2a98bf23a42af53c36907c29949f30f4e1e548662a76adb877487549f5bea
Static task
static1
Behavioral task
behavioral1
Sample
gunzipped.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
gunzipped.exe
Resource
win10v20210408
Malware Config
Extracted
guloader
https://drive.google.com/uc?export=download&id=1DEqX44va5nubrzi4f1gvY6qVc29IgPxG
Extracted
oski
45.85.90.86
Targets
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Target
gunzipped
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Size
212KB
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MD5
e8caac54776eac6e3740c9c8426486df
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SHA1
d6720055a125da5922be71b69b3a4078a49642ea
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SHA256
d75c69a49a30595964989b72499ec0e303ff42a0e2a334dda22a9cd9fd7e8ba5
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SHA512
0e16cb730971d507c9767b953c2d320b9b5a8099b736bcb42e92435d13cf77083ad2a98bf23a42af53c36907c29949f30f4e1e548662a76adb877487549f5bea
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Guloader Payload
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Downloads MZ/PE file
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Checks QEMU agent file
Checks presence of QEMU agent, possibly to detect virtualization.
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Deletes itself
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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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Legitimate hosting services abused for malware hosting/C2
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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