General
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Target
1b3bc0613f79431889a1452b050b467ab0c5eabe979c6278f73982ff5f5a4b00.exe
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Size
1.0MB
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Sample
240519-bf3pfsac83
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MD5
e77cf047d33d9bed9d10494ed11c68f1
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SHA1
b6dfe123d998dc453d4263b5876414d1825a07a8
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SHA256
1b3bc0613f79431889a1452b050b467ab0c5eabe979c6278f73982ff5f5a4b00
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SHA512
b8797aec5bda5fae2b0423c53106dd2c6d3770fb9a72d7d6997a6741353a9fb6634e6c0a468655fe98efd0e0eddd73831b0ad56d3a40948c006ad2f6096ed52d
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SSDEEP
24576:V74FSZ6wPMZ82ZtSgSJDuyWqM5Wb+EjbL:148ACMZ82ZkgDyo2Jr
Static task
static1
Behavioral task
behavioral1
Sample
1b3bc0613f79431889a1452b050b467ab0c5eabe979c6278f73982ff5f5a4b00.exe
Resource
win7-20240221-en
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6941402653:AAGD6Af00jBZM3CSU3pjKxYbW7aazMmc_10/
Targets
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Target
1b3bc0613f79431889a1452b050b467ab0c5eabe979c6278f73982ff5f5a4b00.exe
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Size
1.0MB
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MD5
e77cf047d33d9bed9d10494ed11c68f1
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SHA1
b6dfe123d998dc453d4263b5876414d1825a07a8
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SHA256
1b3bc0613f79431889a1452b050b467ab0c5eabe979c6278f73982ff5f5a4b00
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SHA512
b8797aec5bda5fae2b0423c53106dd2c6d3770fb9a72d7d6997a6741353a9fb6634e6c0a468655fe98efd0e0eddd73831b0ad56d3a40948c006ad2f6096ed52d
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SSDEEP
24576:V74FSZ6wPMZ82ZtSgSJDuyWqM5Wb+EjbL:148ACMZ82ZkgDyo2Jr
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4.
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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Detects executables packed with or use KoiVM
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Detects executables referencing Windows vault credential objects. Observed in infostealers
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
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Detects executables referencing many email and collaboration clients. Observed in information stealers
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Detects executables referencing many file transfer clients. Observed in information stealers
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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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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 Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
2Disable or Modify Tools
2Modify Registry
2Virtualization/Sandbox Evasion
2