General
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Target
kos1.exe
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Size
1.4MB
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Sample
231011-zejrysea48
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MD5
85b698363e74ba3c08fc16297ddc284e
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SHA1
171cfea4a82a7365b241f16aebdb2aad29f4f7c0
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SHA256
78efcbb0c6eb6a4c76c036adc65154b8ff028849f79d508e45babfb527cb7cfe
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SHA512
7e4816c43e0addba088709948e8aedc9e39d6802c74a75cfbc2a0e739b44c5b5eef2bb2453b7032c758b0bdb38e4e7a598aa29be015796361b81d7f9e8027796
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SSDEEP
24576:uS7LJeESj3RxrDKaWrnuzzBv7oV2Ev20sYoh9nhhM/vacAVoZFjo:T7LJqjr/KaWrn4Ev20m9h8ZF
Static task
static1
Behavioral task
behavioral1
Sample
kos1.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
kos1.exe
Resource
win10v2004-20230915-en
Malware Config
Targets
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Target
kos1.exe
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Size
1.4MB
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MD5
85b698363e74ba3c08fc16297ddc284e
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SHA1
171cfea4a82a7365b241f16aebdb2aad29f4f7c0
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SHA256
78efcbb0c6eb6a4c76c036adc65154b8ff028849f79d508e45babfb527cb7cfe
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SHA512
7e4816c43e0addba088709948e8aedc9e39d6802c74a75cfbc2a0e739b44c5b5eef2bb2453b7032c758b0bdb38e4e7a598aa29be015796361b81d7f9e8027796
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SSDEEP
24576:uS7LJeESj3RxrDKaWrnuzzBv7oV2Ev20sYoh9nhhM/vacAVoZFjo:T7LJqjr/KaWrn4Ev20m9h8ZF
Score7/10-
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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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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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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