General
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Target
bc8f7302b6d35c63bf03679d63fc6ac9b9e27200c47ea1bc1dee65cb830bcbab
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Size
895KB
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Sample
240328-bpvp7sce5w
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MD5
2632c9e84c4b67cbfc837c06bca6a02b
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SHA1
a19e2e828bed5d46817c7f824874bce23f3b36e5
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SHA256
bc8f7302b6d35c63bf03679d63fc6ac9b9e27200c47ea1bc1dee65cb830bcbab
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SHA512
a75ddd64085b431cc9b577e24feb8b98697d562fd1f931adab708cda2b692ca17f0c1f33010936b698403978341f689f9c9a623f0f257cb57601905ccff5e1ab
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SSDEEP
24576:v1yTFLZOBvwJ4FDmJY491GzbyQwg4LnVmY6NnfCC2PU:v16O6J40JB91GzGJeNfCC2PU
Static task
static1
Behavioral task
behavioral1
Sample
bc8f7302b6d35c63bf03679d63fc6ac9b9e27200c47ea1bc1dee65cb830bcbab.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bc8f7302b6d35c63bf03679d63fc6ac9b9e27200c47ea1bc1dee65cb830bcbab.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.medicalhome.com.pe - Port:
587 - Username:
[email protected] - Password:
MHinfo01 - Email To:
[email protected]
Extracted
Protocol: smtp- Host:
mail.medicalhome.com.pe - Port:
587 - Username:
[email protected] - Password:
MHinfo01
Targets
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Target
bc8f7302b6d35c63bf03679d63fc6ac9b9e27200c47ea1bc1dee65cb830bcbab
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Size
895KB
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MD5
2632c9e84c4b67cbfc837c06bca6a02b
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SHA1
a19e2e828bed5d46817c7f824874bce23f3b36e5
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SHA256
bc8f7302b6d35c63bf03679d63fc6ac9b9e27200c47ea1bc1dee65cb830bcbab
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SHA512
a75ddd64085b431cc9b577e24feb8b98697d562fd1f931adab708cda2b692ca17f0c1f33010936b698403978341f689f9c9a623f0f257cb57601905ccff5e1ab
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SSDEEP
24576:v1yTFLZOBvwJ4FDmJY491GzbyQwg4LnVmY6NnfCC2PU:v16O6J40JB91GzGJeNfCC2PU
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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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 Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
5Virtualization/Sandbox Evasion
2