Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-01-2025 01:31
Static task
static1
Behavioral task
behavioral1
Sample
d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe
Resource
win10v2004-20241007-en
General
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Target
d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe
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Size
781KB
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MD5
4c92026fcad5536d428c973e4762c7ca
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SHA1
2821bd1121d2c2ccfd405838596f6961ca4ee3e9
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SHA256
d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b
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SHA512
f98a501b10ffdc8ca54790c723aa63502c3a311e001e6d7b619332aaea99922e29b2227b76780c2631105a4068e4170e6494f01ff364b391e7ce51f630409b57
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SSDEEP
12288:CKOlbxr80IO8Df1iSR22mBnbuRno5Rq+wbGqKkpNdRhnoHLBhAGD02k8:H/f1p22Mb6nyRq+wbGqfNzhoHVj9
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.starmech.net - Port:
587 - Username:
[email protected] - Password:
nics123 - 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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Agenttesla family
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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 2712 powershell.exe 2792 powershell.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe" RegSvcs.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 2316 set thread context of 2288 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 36 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2872 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 2792 powershell.exe 2712 powershell.exe 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 2288 RegSvcs.exe 2288 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe Token: SeDebugPrivilege 2792 powershell.exe Token: SeDebugPrivilege 2712 powershell.exe Token: SeDebugPrivilege 2288 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2288 RegSvcs.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2316 wrote to memory of 2712 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 30 PID 2316 wrote to memory of 2712 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 30 PID 2316 wrote to memory of 2712 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 30 PID 2316 wrote to memory of 2712 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 30 PID 2316 wrote to memory of 2792 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 32 PID 2316 wrote to memory of 2792 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 32 PID 2316 wrote to memory of 2792 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 32 PID 2316 wrote to memory of 2792 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 32 PID 2316 wrote to memory of 2872 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 33 PID 2316 wrote to memory of 2872 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 33 PID 2316 wrote to memory of 2872 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 33 PID 2316 wrote to memory of 2872 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 33 PID 2316 wrote to memory of 2288 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 36 PID 2316 wrote to memory of 2288 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 36 PID 2316 wrote to memory of 2288 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 36 PID 2316 wrote to memory of 2288 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 36 PID 2316 wrote to memory of 2288 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 36 PID 2316 wrote to memory of 2288 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 36 PID 2316 wrote to memory of 2288 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 36 PID 2316 wrote to memory of 2288 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 36 PID 2316 wrote to memory of 2288 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 36 PID 2316 wrote to memory of 2288 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 36 PID 2316 wrote to memory of 2288 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 36 PID 2316 wrote to memory of 2288 2316 d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe"C:\Users\Admin\AppData\Local\Temp\d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2316 -
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\d9a53c3e1a9e6447e32fc86fac2b5e76bf3a1e50af3c9f1bf4f6d25e0186840b.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2712
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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\DrdoXcRBTkrD.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2792
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DrdoXcRBTkrD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB26E.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2872
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2288
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD59ad5284150ea17270394c45a6d82fe4a
SHA1d076224948d1fc69ea9489c48c53cbef4d3d1b31
SHA25660fb6c688691cc9e1e9a52aa30c34e0f495a5f921656d016039291128b6827e2
SHA512b2928b27cfa4ef4565a46fabf15263b69a71c2f9b6df36c9f736a5a79deb5876f40b88c16f9dc7497f27df129df35ce9112e7c0d36439ab731c11277d6f1e2ee
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5cf7620f65938bb4aa883c16aa707353b
SHA11fc02355294423ffe66d53ac55415771bbab6929
SHA256f2df8f60ad94c20e09fc98a721aa2985ae65ad778a1dc5e3bca8e0aedc4f92f3
SHA512ee0ea4a8518cb785de1f24fa5e2d38934e101d8150fea860f25837bf973c9b610b7ac7547a61c9218f5386f56fef50c115d4af07626ddcd11cb444aa8a6ef96d