General
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Target
61be7282f1eb5a59f83f2219cf8cf9540fcc882431756a1d27b3a726c3bdb7f5
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Size
441KB
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Sample
220521-ddssksaehm
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MD5
d9db3642ce117645ff0edaef674ed101
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SHA1
a2961d40981def46f8a28e5d1f314d73f6be9997
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SHA256
61be7282f1eb5a59f83f2219cf8cf9540fcc882431756a1d27b3a726c3bdb7f5
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SHA512
56ba4d324b8466ebde2a9ed47b2722c731b90ddbf29434ac58726cf42a5138aae6f1347248bb9d1c6f27c55f7aa21097cbd029e840b61f0539dafd96b799a652
Static task
static1
Behavioral task
behavioral1
Sample
Quotation.Ref#78665.Scan.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Quotation.Ref#78665.Scan.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.ametropolis.com - Port:
587 - Username:
[email protected] - Password:
Gera5956
Extracted
Protocol: smtp- Host:
mail.ametropolis.com - Port:
587 - Username:
[email protected] - Password:
Gera5956
Targets
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Target
Quotation.Ref#78665.Scan.exe
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Size
475KB
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MD5
7db4efa541d1651f4344a168c515e71e
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SHA1
70ef4887da632ac22cba31b1317b4c70ff71907e
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SHA256
4fcd02a6297337de81372258e0fd7d3bce08fabbd0fa91b64a3109e2e1a1ea9f
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SHA512
a1b561ba277ff346aa41bf67bc84da335ab00a624e7639cb09b279b4b1a5f81cc042b16e2a13f36371f8c9ebf0b79d915adac120be32902f70b09416a5773e62
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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CoreEntity .NET Packer
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
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AgentTesla Payload
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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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