Analysis
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max time kernel
26s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
21-01-2025 02:44
Static task
static1
Behavioral task
behavioral1
Sample
42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe
Resource
win10v2004-20241007-en
General
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Target
42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe
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Size
733KB
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MD5
eedbda81d4f3d69ee2798e40a8a5572b
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SHA1
68226fb98f6e93db77d607dcc305716e8a80871d
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SHA256
42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856
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SHA512
e83bdf38d169461846fd63f34b5458f3198adbe796f8be9d7947219a4e9b67cb51e97a39065a1ba49131f9a310de7332eab0d5a215053ffde535d30eddcdebb0
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SSDEEP
12288:O7G3eV0l1vF6gv+W5DzalTl3YeirTX/8pi+eAH5vgQVT/fRO8UYeA6h:2V0eM1DzalFYvPX/yi+pZvgiLf4Fa6h
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 2512 powershell.exe 2816 powershell.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\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 2376 set thread context of 2888 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 35 -
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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.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 2876 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 2888 RegSvcs.exe 2888 RegSvcs.exe 2816 powershell.exe 2512 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe Token: SeDebugPrivilege 2888 RegSvcs.exe Token: SeDebugPrivilege 2816 powershell.exe Token: SeDebugPrivilege 2512 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2888 RegSvcs.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2376 wrote to memory of 2512 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 29 PID 2376 wrote to memory of 2512 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 29 PID 2376 wrote to memory of 2512 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 29 PID 2376 wrote to memory of 2512 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 29 PID 2376 wrote to memory of 2816 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 31 PID 2376 wrote to memory of 2816 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 31 PID 2376 wrote to memory of 2816 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 31 PID 2376 wrote to memory of 2816 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 31 PID 2376 wrote to memory of 2876 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 33 PID 2376 wrote to memory of 2876 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 33 PID 2376 wrote to memory of 2876 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 33 PID 2376 wrote to memory of 2876 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 33 PID 2376 wrote to memory of 2888 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 35 PID 2376 wrote to memory of 2888 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 35 PID 2376 wrote to memory of 2888 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 35 PID 2376 wrote to memory of 2888 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 35 PID 2376 wrote to memory of 2888 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 35 PID 2376 wrote to memory of 2888 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 35 PID 2376 wrote to memory of 2888 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 35 PID 2376 wrote to memory of 2888 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 35 PID 2376 wrote to memory of 2888 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 35 PID 2376 wrote to memory of 2888 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 35 PID 2376 wrote to memory of 2888 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 35 PID 2376 wrote to memory of 2888 2376 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe"C:\Users\Admin\AppData\Local\Temp\42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2376 -
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\42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- 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\oDsvWZJmBpNs.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2816
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oDsvWZJmBpNs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC072.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2876
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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:2888
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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
MD5e30c297c82af295e9d6374097f4ffd16
SHA156e840838901072cfd9daa8dd6188fa96b7ab961
SHA2569a8ccf71680e3e0942fc2bdb3cbe02ee6daea4ff2d0051c6b306172b784c9d22
SHA51217861985a0b81ed17dcaa9db0dc4393e5dfabcbcd3743dd61838dc61b94aa991957279b9153f2b196fcfc73cb1eaca87c57f48e058818accfce8743b2667a33b
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5144d63be3a70699b76c2a4f5991a0baf
SHA1f8c61c309ec1c40a488ea127530224df7fd46732
SHA25689d9b9ea44e306297ea5899f8f03d5b44a0c0e06682eda2adb0e4c569af3451e
SHA5126ef5b0e8ee04aa06b23558892dad07dd0fd9d52c03df0248192e785e4d1719b90863b10e73290416a5977528f76772b1ee929647138b6b4624a56c31206f2c6c