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250103-pmhvhstlhw 10Analysis
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max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03/01/2025, 11:38
Static task
static1
Behavioral task
behavioral1
Sample
Invoice Confirmation.exe
Resource
win7-20240903-en
General
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Target
Invoice Confirmation.exe
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Size
810.6MB
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MD5
63395033fc8d13ddd17e74e4bb13d5d6
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SHA1
0a65c313504c8bcac8dc2eec944dd078a71ce384
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SHA256
c322c179201974d21315230539606d1292a9159527f3f2eafa9d6167e8f51ae2
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SHA512
4a1eb33f370ac2ba32bea1af287abe753edfa63e493e9045960303b1990c1cbdb289dd3ebd273ff87ad68b912b4e016877dd3f78b8ed5ce373a3f20b581a0718
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SSDEEP
12288:mIR4R52J+XtyfG+Lzb6C65feSfSecDAMEnLwh8aFfxc1C0rmZdXm8qzd9p2MIR:mIeeJfG+LNzecKiVfaBiHXU9pTI
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6882044231:AAEdfz6RtcLc5FDAwOwS8UYabnK3tQ7x4bs/
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 2596 powershell.exe 2796 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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2760 set thread context of 2816 2760 Invoice Confirmation.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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Invoice Confirmation.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Invoice Confirmation.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 2652 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2816 Invoice Confirmation.exe 2816 Invoice Confirmation.exe 2796 powershell.exe 2596 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2816 Invoice Confirmation.exe Token: SeDebugPrivilege 2796 powershell.exe Token: SeDebugPrivilege 2596 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2760 wrote to memory of 2796 2760 Invoice Confirmation.exe 30 PID 2760 wrote to memory of 2796 2760 Invoice Confirmation.exe 30 PID 2760 wrote to memory of 2796 2760 Invoice Confirmation.exe 30 PID 2760 wrote to memory of 2796 2760 Invoice Confirmation.exe 30 PID 2760 wrote to memory of 2596 2760 Invoice Confirmation.exe 32 PID 2760 wrote to memory of 2596 2760 Invoice Confirmation.exe 32 PID 2760 wrote to memory of 2596 2760 Invoice Confirmation.exe 32 PID 2760 wrote to memory of 2596 2760 Invoice Confirmation.exe 32 PID 2760 wrote to memory of 2652 2760 Invoice Confirmation.exe 33 PID 2760 wrote to memory of 2652 2760 Invoice Confirmation.exe 33 PID 2760 wrote to memory of 2652 2760 Invoice Confirmation.exe 33 PID 2760 wrote to memory of 2652 2760 Invoice Confirmation.exe 33 PID 2760 wrote to memory of 2816 2760 Invoice Confirmation.exe 36 PID 2760 wrote to memory of 2816 2760 Invoice Confirmation.exe 36 PID 2760 wrote to memory of 2816 2760 Invoice Confirmation.exe 36 PID 2760 wrote to memory of 2816 2760 Invoice Confirmation.exe 36 PID 2760 wrote to memory of 2816 2760 Invoice Confirmation.exe 36 PID 2760 wrote to memory of 2816 2760 Invoice Confirmation.exe 36 PID 2760 wrote to memory of 2816 2760 Invoice Confirmation.exe 36 PID 2760 wrote to memory of 2816 2760 Invoice Confirmation.exe 36 PID 2760 wrote to memory of 2816 2760 Invoice Confirmation.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe"C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760 -
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\Invoice Confirmation.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2796
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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\KmihxwKU.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2596
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KmihxwKU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAAC0.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2652
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C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe"C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2816
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5cf78337eb0b2be834365602cf7e093e2
SHA1f8cdffd20a50efeb7bde12e4154f00f4a8cccadb
SHA256218edf59ceb85ac08c62ebb30426db22c1f6c1cda45b6e9d0d974ae06864ecde
SHA512d9bdc3ebdc5bb3f91e41c6c4b9a08cf4a92b1af36405a9cdaf94e3a6fe066af9d34de9f73a793b092700733a37da0e80a06679883e7d46e5f50f23a61a7dca0f
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD511f0fc2fb7c0edeb652725982c7896c2
SHA18c1ea416c6858a7e8d1c25e705a9c724d154475e
SHA2569f512a709d42b834d918f2b90a39ba2f56eced23730bf99af8e9a56ea33f88c3
SHA512556e3cbd981603c78a627200a2a92e85a84e170e419d8cfcc61649cd4095d56f6815ef04bd31f92a1a6f3b1ac416505e83da84eab896bb02c55929ced06df12d