General
- Target invoice pdf pdf pdf.exe
- Size 74KB
- Sample201013-cvaenmlwn2
- SHA256 39a76f88dd2a2ebc1ef8a21c852813b486cb969d062a973610b60eeaef436e11
- MD5 4c420c50f66b416a244d38c8b255638a
- SHA1 ece5813bbcbb9e67516ffabfc285f909a0a99a9e
- SHA512 6f229e6976e8dc51ec0c0bfc2de223b0961979de69d24b7f36f8b6c87815c9f6f3191cd2106bd80160d59d9e65c1affed5eef4e9e42c7b2d2f3106360ee89203
- MD5 SHA1 SHA512
Static task
static1
Behavioral task
behavioral1
Sample
invoice pdf pdf pdf.exe
Resource
win7v200722
Behavioral task
behavioral2
Sample
invoice pdf pdf pdf.exe
Resource
win10
Malware Config
Extracted
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agenttesla
-
Protocol
smtp
-
Host
smtp.privateemail.com
-
Port
587
-
Username
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Password
manofpeace123
Targets
-
- Target invoice pdf pdf pdf.exe
- Size 74KB
- SHA256 39a76f88dd2a2ebc1ef8a21c852813b486cb969d062a973610b60eeaef436e11
- MD5 4c420c50f66b416a244d38c8b255638a
- SHA1 ece5813bbcbb9e67516ffabfc285f909a0a99a9e
- SHA512 6f229e6976e8dc51ec0c0bfc2de223b0961979de69d24b7f36f8b6c87815c9f6f3191cd2106bd80160d59d9e65c1affed5eef4e9e42c7b2d2f3106360ee89203
- MD5 SHA1 SHA512
-
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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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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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 NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext