General
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Target
18d273f276cb2c9d1a3cded2d775b20cb5eb68ed232b6f126225f0ba642c6fed.rar
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Size
760KB
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Sample
240427-bmma2sfh35
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MD5
a30ef816bce43896b87dc946f00c0d75
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SHA1
3bcfb1ca38ad5d42f8281809f7414b6d44f65bfa
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SHA256
18d273f276cb2c9d1a3cded2d775b20cb5eb68ed232b6f126225f0ba642c6fed
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SHA512
292a098c01daffa207c5baf98765b62d45bcac2e86653cf3d01f7110df451dd0dba9198ae8e193db03a23eb0442f9994417a23e2935535ac990844d96ebb1ffb
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SSDEEP
12288:wC9PqQhackSvdk21U5QDmbwAWE6fPcibc1Zch6a0dyY1TmZE/AJJNSIhdW3mC:wwTaTSvdb1kbwVfpbc1ZcUa0d91TP4JW
Static task
static1
Behavioral task
behavioral1
Sample
Invoice.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Invoice.exe
Resource
win10v2004-20240419-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.starmech.net - Port:
587 - Username:
[email protected] - Password:
nics123 - Email To:
[email protected]
Targets
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Target
Invoice.exe
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Size
822KB
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MD5
df0a67f2a0c162c5a5dee0a8fcd8ab22
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SHA1
07981693f5b38fa99a88aca0e13ba5b6022b1465
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SHA256
e62255f98543e0bb1abf017af13fd483e1382158021b7edde65fa55c1ad290cf
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SHA512
b62ea9a4710dfc855cfd47f2c0cb8787c9ea6b1159387431d1cc70b5989dd59086aaadd62e42fea9b21d28834b6ece20dc1715245762d026e48e315544529f75
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SSDEEP
12288:zPqnHvjNIrpf9rN/mc/CQw5PXdFPemY3kI26WE+34DO2IOxzV2SYm9nEix9H82rF:zyPjKr5BNDuXvfY0RfmIkzLNP5rJ
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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 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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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1