General
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Target
Ramsay.exe
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Size
641KB
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Sample
230529-prryzscc9w
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MD5
1548cfef1962af9a18e0751f21324e6a
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SHA1
3a59143105bdd6bfe0cfdc918bf58dec8bf4ca07
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SHA256
50803eb43c6bd5d0f4f631169f2fad176e97e57aa1ffee306d7cb64a7479f7bd
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SHA512
166b532242910edcda131518d878c7b4c5e96f6e38a982f821a20b5621fda1a3bb58863629ba17216572224535187781613a07d22f0de09f97aad3e153f77bd3
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SSDEEP
12288:Uoqqqqqqqqqqqqqqqqqqqqq0qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqN:U12KKD3UywPegHB1
Static task
static1
Behavioral task
behavioral1
Sample
Ramsay.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Ramsay.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.otj.pt - Port:
587 - Username:
[email protected] - Password:
zrevuafs1kd4 - Email To:
[email protected]
Targets
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Target
Ramsay.exe
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Size
641KB
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MD5
1548cfef1962af9a18e0751f21324e6a
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SHA1
3a59143105bdd6bfe0cfdc918bf58dec8bf4ca07
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SHA256
50803eb43c6bd5d0f4f631169f2fad176e97e57aa1ffee306d7cb64a7479f7bd
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SHA512
166b532242910edcda131518d878c7b4c5e96f6e38a982f821a20b5621fda1a3bb58863629ba17216572224535187781613a07d22f0de09f97aad3e153f77bd3
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SSDEEP
12288:Uoqqqqqqqqqqqqqqqqqqqqq0qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqN:U12KKD3UywPegHB1
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Checks QEMU agent file
Checks presence of QEMU agent, possibly to detect virtualization.
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Loads dropped DLL
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2
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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 NtCreateThreadExHideFromDebugger
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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