General
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Target
20d71bfff3c6f4109aab41922c346c6d05179a8fbefff9d130b6ceda25a8bbdf
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Size
418KB
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Sample
220521-dwmz2sbdek
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MD5
bbf99660f551314848b0c42ca8c4c014
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SHA1
1159cdbd9e257abc7a53040f1ce03906ac04746b
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SHA256
20d71bfff3c6f4109aab41922c346c6d05179a8fbefff9d130b6ceda25a8bbdf
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SHA512
f190dceb5b1829730ba68d6add80423cb0d4ca8d47f3909fb4ef199b25bf34b39c81f56f30c2fa7263c32c48050105b26c02bd6a3354b88f1efe98f20d418d2c
Static task
static1
Behavioral task
behavioral1
Sample
TT copy.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
TT copy.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.fakly-cambodia.com - Port:
587 - Username:
[email protected] - Password:
Mmhh#2014
Targets
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Target
TT copy.exe
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Size
472KB
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MD5
18d499ee965898dc417e1c6a37de7455
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SHA1
c99e3ecde7653820426a22b0c1699133bcdc8444
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SHA256
89d0ab4d71e3f671f3313901eb7af21702ae556f9f6ae451f141195725f893a1
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SHA512
0d194faa9cfd61f0285fc3caeefbde76a31db209ff190f49d65529e1283e770cd0bd885798187d0d8997287315bf8ed8390c9803732875dc8628a6321ebfe07b
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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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