General
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Target
a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87
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Size
660KB
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Sample
240427-b1cc1ahc2x
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MD5
860f88b68917d3a5f57297cc22a12129
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SHA1
fb3315bb96fe758eb648cc31cd938e80f73afe49
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SHA256
a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87
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SHA512
9d8b62094c0d594009fabe5bfba60e68b16ebf13bda69cf96136054eb17dbd527cc6f11c61e4a8e061f42b60be78d143adc243e38c8dc9f1c9e01324b7c197cf
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SSDEEP
12288:/UF9WMwo8A2HtW8PI4sCBOOuKT+Cv8mU/eM2TCd8xD4/oNIJlDTrS3v/4:/U2MD8dHjI4tBOOuk+oA/eL+S3Ale3vw
Static task
static1
Behavioral task
behavioral1
Sample
a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe
Resource
win10v2004-20240419-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.payasystem.ir - Port:
587 - Username:
[email protected] - Password:
]R@u+#!J}3lX - Email To:
[email protected]
Targets
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Target
a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87
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Size
660KB
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MD5
860f88b68917d3a5f57297cc22a12129
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SHA1
fb3315bb96fe758eb648cc31cd938e80f73afe49
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SHA256
a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87
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SHA512
9d8b62094c0d594009fabe5bfba60e68b16ebf13bda69cf96136054eb17dbd527cc6f11c61e4a8e061f42b60be78d143adc243e38c8dc9f1c9e01324b7c197cf
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SSDEEP
12288:/UF9WMwo8A2HtW8PI4sCBOOuKT+Cv8mU/eM2TCd8xD4/oNIJlDTrS3v/4:/U2MD8dHjI4tBOOuk+oA/eL+S3Ale3vw
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Suspicious use of SetThreadContext
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