General
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Target
5e8af6bd3e7166efdcb8e65ce8b6fb997b77f5bdebfca4a897ed7d78f474615e.rar
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Size
842KB
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Sample
240419-btv7jadg3y
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MD5
e311a56ea4ce34afa77b8f5290604c33
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SHA1
cd2b0082221a55036b73be9cfd582fc2748163f5
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SHA256
5e8af6bd3e7166efdcb8e65ce8b6fb997b77f5bdebfca4a897ed7d78f474615e
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SHA512
45cea3fa61630a36d19b766c6246478b1c73bc6abb9e1e4521c18df852035b2699bdfad1c86a62705cfb9ea0ff8dc36e328e7c946cbaf93ed3c440cee3868be9
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SSDEEP
12288:UZWIhBUr0vYD6/qMZmqJLIUtPKeKW2UQMBpH3GjwgmOUvU2CpNJvPx2FnWXVXt/o:UZxhoqZdf5eW1qT7mU2cJv52EF1Ot
Static task
static1
Behavioral task
behavioral1
Sample
BKG#SGN2106728.PDF.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
BKG#SGN2106728.PDF.exe
Resource
win10v2004-20240412-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.flexwelltour.com - Port:
587 - Username:
[email protected] - Password:
w$5DC?c5 - Email To:
[email protected]
Targets
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Target
BKG#SGN2106728.PDF.exe
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Size
880KB
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MD5
ccdb29c0d8e287cad8644e0adfd56178
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SHA1
3b5534a7af776ec14a07dbe81cde5bdbb538dce8
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SHA256
cb06339a87bdd6284086a97545c32dc8a3eb3701c7642543e7c327d0539005f9
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SHA512
6e0cc7cebd79142fa190d148c6030f2935d77f35daaeb10b3f75c27c90da27aa2908c3f17ada436b49d6ef16273217b3fd47e4ad83441a4215e05ec98f1e2757
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SSDEEP
12288:6FCnt27FjOqHjvCcDRLM4o4K6GCj4jo5TIOTOJLUn6nwj7po+Cycrf5ehpph1yB:Zo7FjOy3D93ovokqOJLU6nwjRCspH1k
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4.
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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Detects executables referencing Windows vault credential objects. Observed in infostealers
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
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Detects executables referencing many email and collaboration clients. Observed in information stealers
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Detects executables referencing many file transfer clients. Observed in information stealers
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1