General
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Target
OOLU2115327710.xls.exe
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Size
2.0MB
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Sample
210201-1hhp5a2bns
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MD5
96897c86f51f3ffb7efc497db4d82803
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SHA1
6dd8173b1d10f65062647c501ba85c758c43b57d
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SHA256
6f28dbb8b4fbf8e652d27a5831bb78cc397b8e1d4c8ec60f49013fdb31c3bf80
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SHA512
e66e0ca0c46625433862053c3ea7a6f50efedb677ba59355ede73a6b7bd7a1affbe1d2935e1ba5bb4567b1c9eec66b0a8b57eb3ea539562b49b0aef2deb6972e
Static task
static1
Behavioral task
behavioral1
Sample
OOLU2115327710.xls.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
OOLU2115327710.xls.exe
Resource
win10v20201028
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot1503824942:AAHdRbbLZ9UzXLTFb-pkxB0au6zGO8x5YR4/sendDocument
Targets
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Target
OOLU2115327710.xls.exe
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Size
2.0MB
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MD5
96897c86f51f3ffb7efc497db4d82803
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SHA1
6dd8173b1d10f65062647c501ba85c758c43b57d
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SHA256
6f28dbb8b4fbf8e652d27a5831bb78cc397b8e1d4c8ec60f49013fdb31c3bf80
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SHA512
e66e0ca0c46625433862053c3ea7a6f50efedb677ba59355ede73a6b7bd7a1affbe1d2935e1ba5bb4567b1c9eec66b0a8b57eb3ea539562b49b0aef2deb6972e
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Turns off Windows Defender SpyNet reporting
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AgentTesla Payload
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Reads data files stored by FTP clients
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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Suspicious use of SetThreadContext
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