General
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Target
b9cf22ab52de455b9b773887331822339f50a966505b082b73f5188942ff6bef
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Size
41.8MB
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Sample
221228-fjq72she35
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MD5
0c3771b4ec951093a78f06d95f5d82ff
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SHA1
c92cb11d94aabfe93a77833616f1384da1a2e177
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SHA256
b9cf22ab52de455b9b773887331822339f50a966505b082b73f5188942ff6bef
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SHA512
6ffde13ccde35513c1074e0d1bff17e87e7c9c898ec207233e58ba614629c4179dd58e020ff6028144bd8af33dce2ce502ddf905ed22b299a580238a501943ee
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SSDEEP
786432:7p1Ttdw0gR6p3ixWQG6n6kLAi0cTDwNl3sNEo2+9U0y3xb/xL9:7bToRm3Sn6s0ewXsNEfACxbJJ
Static task
static1
Behavioral task
behavioral1
Sample
b9cf22ab52de455b9b773887331822339f50a966505b082b73f5188942ff6bef.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b9cf22ab52de455b9b773887331822339f50a966505b082b73f5188942ff6bef.exe
Resource
win10v2004-20221111-en
Malware Config
Targets
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Target
b9cf22ab52de455b9b773887331822339f50a966505b082b73f5188942ff6bef
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Size
41.8MB
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MD5
0c3771b4ec951093a78f06d95f5d82ff
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SHA1
c92cb11d94aabfe93a77833616f1384da1a2e177
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SHA256
b9cf22ab52de455b9b773887331822339f50a966505b082b73f5188942ff6bef
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SHA512
6ffde13ccde35513c1074e0d1bff17e87e7c9c898ec207233e58ba614629c4179dd58e020ff6028144bd8af33dce2ce502ddf905ed22b299a580238a501943ee
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SSDEEP
786432:7p1Ttdw0gR6p3ixWQG6n6kLAi0cTDwNl3sNEo2+9U0y3xb/xL9:7bToRm3Sn6s0ewXsNEfACxbJJ
Score10/10-
BazarBackdoor
Stealthy backdoor targeting corporate networks, believed to be developed by Trickbot's authors.
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Bazar/Team9 Backdoor payload
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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