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General
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Target
27.exe
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Size
521KB
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Sample
240318-x7867sgd95
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MD5
b29fbc48ad3305f4dcab0be3145682a6
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SHA1
73152dd5e9cdf69d7ae9ff114aa818b2ec0decfb
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SHA256
104ae348871545562f1f0a2712ddb88659fda045dd969affd79fbdc25fc7e2fd
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SHA512
5111621a6bfd323812eed98e1053bde36598c1fb719e7c401a090d5ee679aee02f59d0337cf0f4fed780fbb4550add1cf812203e59efedb531081cf43931e838
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SSDEEP
12288:zbiKz52aC1sP906WMPTxgt8UnlQJAHCUkO/tRqUjRQ1F5CZTAujRM:Tl2af9061uKyOJCCUb7qUjRQsN
Static task
static1
Behavioral task
behavioral1
Sample
27.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
27.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
Protocol: smtp- Host:
mail.processengrg.com - Port:
587 - Username:
[email protected] - Password:
Bigbrain2022#
Extracted
agenttesla
Protocol: smtp- Host:
mail.processengrg.com - Port:
587 - Username:
[email protected] - Password:
Bigbrain2022# - Email To:
[email protected]
Targets
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Target
27.exe
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Size
521KB
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MD5
b29fbc48ad3305f4dcab0be3145682a6
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SHA1
73152dd5e9cdf69d7ae9ff114aa818b2ec0decfb
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SHA256
104ae348871545562f1f0a2712ddb88659fda045dd969affd79fbdc25fc7e2fd
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SHA512
5111621a6bfd323812eed98e1053bde36598c1fb719e7c401a090d5ee679aee02f59d0337cf0f4fed780fbb4550add1cf812203e59efedb531081cf43931e838
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SSDEEP
12288:zbiKz52aC1sP906WMPTxgt8UnlQJAHCUkO/tRqUjRQ1F5CZTAujRM:Tl2af9061uKyOJCCUb7qUjRQsN
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1