General
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Target
891408262a391aa3518471825e5bfe85b4fab8ec5385fc7082e5ad50ee67a8f8.exe
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Size
430KB
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Sample
240523-b4865sha81
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MD5
d8b9553db2395d912f1e3976d8c6b73a
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SHA1
f5cdbbd8c4691652469b7c64d212adef6d8e59f6
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SHA256
891408262a391aa3518471825e5bfe85b4fab8ec5385fc7082e5ad50ee67a8f8
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SHA512
4b0158ea63d69cb10034763d7d9745c309b8218d4ffb92d670423a6b04de1fbc360861ff02ca476edb0060183a43ef8a7bb8610b1bbe5dec11344412eb3d86de
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SSDEEP
6144:/9X0GEh9EyWfqG2ts8KYV/i43TsgyT4O/f/KNr2WNhfihYiwBN3XMhwpqCHZQpI+:J0VEsvPZG/XUyeOwfchwB+pI+
Static task
static1
Behavioral task
behavioral1
Sample
891408262a391aa3518471825e5bfe85b4fab8ec5385fc7082e5ad50ee67a8f8.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
891408262a391aa3518471825e5bfe85b4fab8ec5385fc7082e5ad50ee67a8f8.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240426-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.escolaprofissionaltomar.com - Port:
587 - Username:
[email protected] - Password:
*Acnbc232430# - Email To:
[email protected]
Targets
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Target
891408262a391aa3518471825e5bfe85b4fab8ec5385fc7082e5ad50ee67a8f8.exe
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Size
430KB
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MD5
d8b9553db2395d912f1e3976d8c6b73a
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SHA1
f5cdbbd8c4691652469b7c64d212adef6d8e59f6
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SHA256
891408262a391aa3518471825e5bfe85b4fab8ec5385fc7082e5ad50ee67a8f8
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SHA512
4b0158ea63d69cb10034763d7d9745c309b8218d4ffb92d670423a6b04de1fbc360861ff02ca476edb0060183a43ef8a7bb8610b1bbe5dec11344412eb3d86de
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SSDEEP
6144:/9X0GEh9EyWfqG2ts8KYV/i43TsgyT4O/f/KNr2WNhfihYiwBN3XMhwpqCHZQpI+:J0VEsvPZG/XUyeOwfchwB+pI+
Score10/10-
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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Loads dropped DLL
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Legitimate hosting services abused for malware hosting/C2
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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 NtCreateThreadExHideFromDebugger
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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Target
$PLUGINSDIR/System.dll
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Size
11KB
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MD5
34442e1e0c2870341df55e1b7b3cccdc
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SHA1
99b2fa21aead4b6ccd8ff2f6d3d3453a51d9c70c
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SHA256
269d232712c86983336badb40b9e55e80052d8389ed095ebf9214964d43b6bb1
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SHA512
4a8c57fb12997438b488b862f3fc9dc0f236e07bb47b2bce6053dcb03ac7ad171842f02ac749f02dda4719c681d186330524cd2953d33cb50854844e74b33d51
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SSDEEP
192:jPtkiQJr7V9r3HcU17S8g1w5xzWxy6j2V7i77blbTc4I:u7VpNo8gmOyRsVc4
Score3/10 -
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Target
$PLUGINSDIR/nsExec.dll
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Size
6KB
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MD5
ac0f93b2dec82e9579bff14c8572a6c8
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SHA1
6460244317cbb77e342adb3561ec3acb496c84d5
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SHA256
3aa8e0abadefea2de58281198acfe48713a1d5b43aea5619f563cea098e9fd34
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SHA512
8055a6af150c45547927499f9cbf645d7f39c8e4f9caff4726fd711d2401abca01a79837095e5752b9f57b06446973ea6506796f2223bdb0179243d6e0575bd2
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SSDEEP
96:5OBtEB2flLkatAthPZJoi9jpfW/er6cBbcB/NFyVOHd0+u3wEX:5hB2flXAVJtjf6cBbcB/N8Ved0PJ
Score3/10 -