General
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Target
S1gma Stealer.exe
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Size
5.6MB
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Sample
230411-l3zlesdd8v
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MD5
7d84b20860accbf77493596450f92276
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SHA1
a438dd2a447af58d265a3b2fa092151745d4851c
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SHA256
f73a2657091c0e9834c3a17bc5534844e8e0eaaeaacc8aa42992cb1bb62cec8b
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SHA512
a75cfa4801dc9cbb1dde7bf565dcdc01dc82d97f81f8bfbdb9117c29bcb2de302e790d04ef5612fd0a08c69dfa795e9767fcc1235cd05d674870e1dab6efae60
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SSDEEP
98304:8W8C8jjkI6ML8tKCAglYYP3YLr8ZNBDo+IXl2QjewHbYf1sGoJMjfxzhUu8/KnfF:8Wr8SMKGYPoLAZNtIX5ezUMlVzb
Behavioral task
behavioral1
Sample
S1gma Stealer.exe
Resource
win7-20230220-de
Behavioral task
behavioral2
Sample
S1gma Stealer.exe
Resource
win10v2004-20230220-de
Malware Config
Targets
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Target
S1gma Stealer.exe
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Size
5.6MB
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MD5
7d84b20860accbf77493596450f92276
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SHA1
a438dd2a447af58d265a3b2fa092151745d4851c
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SHA256
f73a2657091c0e9834c3a17bc5534844e8e0eaaeaacc8aa42992cb1bb62cec8b
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SHA512
a75cfa4801dc9cbb1dde7bf565dcdc01dc82d97f81f8bfbdb9117c29bcb2de302e790d04ef5612fd0a08c69dfa795e9767fcc1235cd05d674870e1dab6efae60
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SSDEEP
98304:8W8C8jjkI6ML8tKCAglYYP3YLr8ZNBDo+IXl2QjewHbYf1sGoJMjfxzhUu8/KnfF:8Wr8SMKGYPoLAZNtIX5ezUMlVzb
Score8/10-
Blocklisted process makes network request
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Downloads MZ/PE file
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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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Registers COM server for autorun
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Adds Run key to start application
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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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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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