General
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Target
WaveInstaller.exe
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Size
76KB
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Sample
240713-2mty1aseqa
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MD5
1b95a7fc10c0b54c7d807d1f7ee2b778
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SHA1
75d3a2f1d104b8f4950f59da9e829d61943e3e44
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SHA256
d2373e86e03b935c7c24993f2a567a7e9f3b477c460a4c061da4000de493fbd8
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SHA512
b225f9052457b5de3728f1f2bf5cf17905de780823ccaa0139e0f559212a05bb177297d950783084cae87f4da217c94d8ad66124f0a3c6946bd5662a43395d4e
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SSDEEP
1536:kpn26tWBE8jMMx4yBmEbTb1XyM6lk120w6hO2GRKVJjiS:kpn2FMniTb1IH0w6hOFRKnr
Malware Config
Extracted
xworm
email-champions.gl.at.ply.gg:50458
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Install_directory
%Temp%
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install_file
svchost.exe
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telegram
https://api.telegram.org/bot6814850214:AAGtrnkhUh3vMq-wH7W5cvNuSWLdcy7mtis/sendMessage?chat_id=7094837950
Extracted
xworm
5.0
127.0.0.1:7777
OpzaMu4iTgsJXCov
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install_file
USB.exe
Extracted
gurcu
https://api.telegram.org/bot6814850214:AAGtrnkhUh3vMq-wH7W5cvNuSWLdcy7mtis/sendMessage?chat_id=7094837950
Targets
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Target
WaveInstaller.exe
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Size
76KB
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MD5
1b95a7fc10c0b54c7d807d1f7ee2b778
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SHA1
75d3a2f1d104b8f4950f59da9e829d61943e3e44
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SHA256
d2373e86e03b935c7c24993f2a567a7e9f3b477c460a4c061da4000de493fbd8
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SHA512
b225f9052457b5de3728f1f2bf5cf17905de780823ccaa0139e0f559212a05bb177297d950783084cae87f4da217c94d8ad66124f0a3c6946bd5662a43395d4e
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SSDEEP
1536:kpn26tWBE8jMMx4yBmEbTb1XyM6lk120w6hO2GRKVJjiS:kpn2FMniTb1IH0w6hOFRKnr
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Detect Xworm Payload
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AgentTesla payload
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Disables Task Manager via registry modification
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Executes dropped EXE
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Loads dropped DLL
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Uses the VBS compiler for execution
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Blocklisted process makes network request
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Scripting
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
2Scripting
1