General
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Target
Enq No 34 22-01-2021.exe
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Size
15KB
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Sample
210122-p8dykxs8sx
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MD5
8fd66b905336c204a24de3e7273fb835
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SHA1
b8a9c7b99ccffbc8b1905d58fb27efe5b1f7bd4d
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SHA256
69f4101e63fdfdec4a5b6fc4a778619a69f9511416dd90fe9df33502ff8d9d4f
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SHA512
5a1814d8826f561331f512dc6211b4cfaed5d6b0b51ac9cc92b15c1b058e321a1f119c6f99eca61cc70b3cbff0b1eb651ebac60fe83592180ca37f2c6d0af007
Static task
static1
Behavioral task
behavioral1
Sample
Enq No 34 22-01-2021.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Enq No 34 22-01-2021.exe
Resource
win10v20201028
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
noor.akbari@petrolnas.icu - Password:
@Mexico1.,
Targets
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Target
Enq No 34 22-01-2021.exe
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Size
15KB
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MD5
8fd66b905336c204a24de3e7273fb835
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SHA1
b8a9c7b99ccffbc8b1905d58fb27efe5b1f7bd4d
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SHA256
69f4101e63fdfdec4a5b6fc4a778619a69f9511416dd90fe9df33502ff8d9d4f
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SHA512
5a1814d8826f561331f512dc6211b4cfaed5d6b0b51ac9cc92b15c1b058e321a1f119c6f99eca61cc70b3cbff0b1eb651ebac60fe83592180ca37f2c6d0af007
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Modifies WinLogon for persistence
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Turns off Windows Defender SpyNet reporting
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AgentTesla Payload
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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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Drops startup file
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Reads data files stored by FTP clients
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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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 NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v6
Persistence
Winlogon Helper DLL
1Modify Existing Service
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
6Disabling Security Tools
4Virtualization/Sandbox Evasion
2