General
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Target
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
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Size
542KB
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Sample
240523-rknn4adh4x
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MD5
a5b21b2b487ef822fa7564a5a6833e10
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SHA1
658b3e8680f568b6ae557bbc14cefbf8ce6cc54d
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SHA256
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527
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SHA512
8f3bde613d093b50277a60accfea4adf8e7c5eaccc9bfbe2684e6271ed20e6e3ebe38c9ce20b9f820a628b0deb48a3f0c4f9907af42dcd540ab6ae5c8ae804a6
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SSDEEP
12288:reCLyNx2qdIzjxxtoHzWb+xDuKLDKg4rUQqS0JFy/ykYPEvGT+KsjE:rebNwqaz9jszK+xiKvt4rUM0JFyFYPg8
Static task
static1
Behavioral task
behavioral1
Sample
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240426-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
[email protected] - Password:
behw orok mlzk zmzt - Email To:
[email protected]
Targets
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Target
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
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Size
542KB
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MD5
a5b21b2b487ef822fa7564a5a6833e10
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SHA1
658b3e8680f568b6ae557bbc14cefbf8ce6cc54d
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SHA256
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527
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SHA512
8f3bde613d093b50277a60accfea4adf8e7c5eaccc9bfbe2684e6271ed20e6e3ebe38c9ce20b9f820a628b0deb48a3f0c4f9907af42dcd540ab6ae5c8ae804a6
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SSDEEP
12288:reCLyNx2qdIzjxxtoHzWb+xDuKLDKg4rUQqS0JFy/ykYPEvGT+KsjE:rebNwqaz9jszK+xiKvt4rUM0JFyFYPg8
Score10/10-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Loads dropped DLL
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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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Drops file in System32 directory
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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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Target
$PLUGINSDIR/System.dll
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Size
11KB
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MD5
8b3830b9dbf87f84ddd3b26645fed3a0
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SHA1
223bef1f19e644a610a0877d01eadc9e28299509
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SHA256
f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37
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SHA512
d13cfd98db5ca8dc9c15723eee0e7454975078a776bce26247228be4603a0217e166058ebadc68090afe988862b7514cb8cb84de13b3de35737412a6f0a8ac03
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SSDEEP
192:ex24sihno00Wfl97nH6BenXwWobpWBTtvShJ5omi7dJWjOlESlS:h8QIl972eXqlWBFSt273YOlEz
Score3/10 -