General
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Target
RFQ.pdf.7z
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Size
581KB
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Sample
231011-pr3eqahg46
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MD5
9abcadab49a7a62d41cf905e8cdcd3e8
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SHA1
d1dcaada41629ad7423d95a8abd90873094426be
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SHA256
fecfbff7615bf720654c68fd6800e5fac8d9276fcb80bf16375cb14f037d6c2d
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SHA512
115b9dd2ec6352523c77c7db1b0282f06099ce2ddfbf59f63b3899f86b0dc53b6dd8e55c184979e806c55b11e36664d90e31010b2a65bbe00ad0e925b12988eb
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SSDEEP
12288:oN8xJt/Ceb/AN2uIuuKGZJEUv9Wvo9LLboTgDUzRcT7l+:oN8xzTYNvIFjZvUv2bfUCT7M
Static task
static1
Behavioral task
behavioral1
Sample
RFQ.pdf.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
RFQ.pdf.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.frontierfulfillment.com.my - Port:
587 - Username:
[email protected] - Password:
5_8B6kjVm - Email To:
[email protected]
Targets
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Target
RFQ.pdf.exe
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Size
1.2MB
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MD5
daf2e231fc08ffc2d89b382e7983d8ca
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SHA1
586630a252691f839da27c12ff7a222fce5c1267
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SHA256
2a5a6a4dc7b104e406e7bfccac0b7f2ebdd391626ec8afe1ba5adeee733ef339
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SHA512
fd8094b0e107583022f209f859e8e5072492f902de7adefc2d42ec6bba2b4d923dc4be727935d4fa78acfa9b5cd675441f16c927d50f62c2461526aa6721becf
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SSDEEP
12288:pL27YqLkaIR6eFFyQb/3wduIuJnuYJrBv9WrCHMKutxD0zegFmfZKbpNgPorFv2T:pKLq/wcISuYrUrCsYP0F
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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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Accesses Microsoft Outlook profiles
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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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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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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