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General
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Target
Bestar Steel RFQ 0100423(MECH)NBI April-1423.exe
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Size
743KB
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Sample
230418-mtyhfaah57
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MD5
7b2a0af9c2e205c94e844ad81f8a5e28
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SHA1
d34260f61c9924d5b930500793cb26790fc1f71e
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SHA256
856c8bb75c2b8c79b99f9249c201d20838251a94a4f830afa7995a3af0952842
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SHA512
d2fc07067d70257f199b22aac86436528abe6cb111ca300f1405e39a942e55d74b4b7eb16ef2fad748df55861f0ed7f566a2c8205cc1fb50c154b8249720d02d
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SSDEEP
12288:y/MiJO0BLWwL/Gl6uldjwUyhhUh/GsE0C3OWQqpiHHsYsr9ws7LB:ytI04YnulW3CO7hOW5SHsYsZwCLB
Static task
static1
Behavioral task
behavioral1
Sample
Bestar Steel RFQ 0100423(MECH)NBI April-1423.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Bestar Steel RFQ 0100423(MECH)NBI April-1423.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5409839916:AAEYUYZy0IhJQAm4VXi620si4okGW8FDL2w/
Targets
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Target
Bestar Steel RFQ 0100423(MECH)NBI April-1423.exe
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Size
743KB
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MD5
7b2a0af9c2e205c94e844ad81f8a5e28
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SHA1
d34260f61c9924d5b930500793cb26790fc1f71e
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SHA256
856c8bb75c2b8c79b99f9249c201d20838251a94a4f830afa7995a3af0952842
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SHA512
d2fc07067d70257f199b22aac86436528abe6cb111ca300f1405e39a942e55d74b4b7eb16ef2fad748df55861f0ed7f566a2c8205cc1fb50c154b8249720d02d
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SSDEEP
12288:y/MiJO0BLWwL/Gl6uldjwUyhhUh/GsE0C3OWQqpiHHsYsr9ws7LB:ytI04YnulW3CO7hOW5SHsYsZwCLB
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Looks for VirtualBox Guest Additions in registry
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Looks for VMWare Tools registry key
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Accesses Microsoft Outlook profiles
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext
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