Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
21/05/2024, 01:58
Static task
static1
Behavioral task
behavioral1
Sample
scan0085..exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
scan0085..exe
Resource
win10v2004-20240426-en
General
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Target
scan0085..exe
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Size
731KB
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MD5
9c5cf8df3c25ba48acfae10528a0289e
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SHA1
d0185f4e2b1796862d291fe2fe781f02a18af85b
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SHA256
48d1ff7448d143804637331fbdd977a19fce92f578c6cba71a6593162da4a0cb
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SHA512
78b801a455d29b08c03ea6cecc919907eef15ae6bd2088b05c2d5c21e838fc60bb64ca5d841642c17e3812b239f3b602980024522b84529d46fd3e40608afba8
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SSDEEP
12288:4WET/mr9KGPuvBFYsXjje3A3hmcY+zoxTmEJJf4l1ITkdUKaeEozOkR:4WtvuJFZXe3AAiS7Jx49bV
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.naubahar.com - Port:
587 - Username:
[email protected] - Password:
Hum$885+Nn - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2512 powershell.exe 2768 powershell.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\My App = "C:\\Users\\Admin\\AppData\\Roaming\\My App\\My App.exe" scan0085..exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2380 set thread context of 2544 2380 scan0085..exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2652 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2380 scan0085..exe 2380 scan0085..exe 2544 scan0085..exe 2544 scan0085..exe 2512 powershell.exe 2768 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2380 scan0085..exe Token: SeDebugPrivilege 2544 scan0085..exe Token: SeDebugPrivilege 2512 powershell.exe Token: SeDebugPrivilege 2768 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2380 wrote to memory of 2512 2380 scan0085..exe 28 PID 2380 wrote to memory of 2512 2380 scan0085..exe 28 PID 2380 wrote to memory of 2512 2380 scan0085..exe 28 PID 2380 wrote to memory of 2512 2380 scan0085..exe 28 PID 2380 wrote to memory of 2768 2380 scan0085..exe 30 PID 2380 wrote to memory of 2768 2380 scan0085..exe 30 PID 2380 wrote to memory of 2768 2380 scan0085..exe 30 PID 2380 wrote to memory of 2768 2380 scan0085..exe 30 PID 2380 wrote to memory of 2652 2380 scan0085..exe 31 PID 2380 wrote to memory of 2652 2380 scan0085..exe 31 PID 2380 wrote to memory of 2652 2380 scan0085..exe 31 PID 2380 wrote to memory of 2652 2380 scan0085..exe 31 PID 2380 wrote to memory of 2544 2380 scan0085..exe 34 PID 2380 wrote to memory of 2544 2380 scan0085..exe 34 PID 2380 wrote to memory of 2544 2380 scan0085..exe 34 PID 2380 wrote to memory of 2544 2380 scan0085..exe 34 PID 2380 wrote to memory of 2544 2380 scan0085..exe 34 PID 2380 wrote to memory of 2544 2380 scan0085..exe 34 PID 2380 wrote to memory of 2544 2380 scan0085..exe 34 PID 2380 wrote to memory of 2544 2380 scan0085..exe 34 PID 2380 wrote to memory of 2544 2380 scan0085..exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\scan0085..exe"C:\Users\Admin\AppData\Local\Temp\scan0085..exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\scan0085..exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2512
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ayybCeIBnYVSQ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2768
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ayybCeIBnYVSQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA45A.tmp"2⤵
- Creates scheduled task(s)
PID:2652
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C:\Users\Admin\AppData\Local\Temp\scan0085..exe"C:\Users\Admin\AppData\Local\Temp\scan0085..exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2544
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Network
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
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58f0050ad29af5416c835491d3ef569e5
SHA1c2f86ab47a44fe438b2f9ab969efce573276ce47
SHA25614c1ee7abb6997084851395df2e3b864706db05d20018368057fbdddd78323bf
SHA51225d4841a6881fd128b524d7f5600862dc184d707c72f816bb36ad1afb67e3c0c360145df95472a1f7220e249a92c2afa7ea7c6b40bcec2887129524316cabe63
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\WW7DVRYYDK8SIQOKJ7IT.temp
Filesize7KB
MD553fbf63df11606df662597cbc123d76e
SHA1982b9db2c2253a551787fb8aa0ab91ddfc86238d
SHA2560296fea8bdec842b3db29034c3c4ad5d5519d3d78c89599abdbbb565e0e59a6a
SHA5125002906a91cd444c8af2eed5a50c5357a5cdf00c514447499574eb12c3b9c4ffb718a510bf2bcce015308428440df810cf7ee5a1f1a14bcbd4a06efa65506e59