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250103-pmhvhstlhw 10Analysis
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max time kernel
154s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 1668 powershell.exe 4836 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation Invoice Confirmation.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 516 set thread context of 3340 516 Invoice Confirmation.exe 101 -
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 Invoice Confirmation.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Invoice Confirmation.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 924 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1668 powershell.exe 1668 powershell.exe 4836 powershell.exe 4836 powershell.exe 3340 Invoice Confirmation.exe 3340 Invoice Confirmation.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1668 powershell.exe Token: SeDebugPrivilege 4836 powershell.exe Token: SeDebugPrivilege 3340 Invoice Confirmation.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 516 wrote to memory of 1668 516 Invoice Confirmation.exe 95 PID 516 wrote to memory of 1668 516 Invoice Confirmation.exe 95 PID 516 wrote to memory of 1668 516 Invoice Confirmation.exe 95 PID 516 wrote to memory of 4836 516 Invoice Confirmation.exe 97 PID 516 wrote to memory of 4836 516 Invoice Confirmation.exe 97 PID 516 wrote to memory of 4836 516 Invoice Confirmation.exe 97 PID 516 wrote to memory of 924 516 Invoice Confirmation.exe 99 PID 516 wrote to memory of 924 516 Invoice Confirmation.exe 99 PID 516 wrote to memory of 924 516 Invoice Confirmation.exe 99 PID 516 wrote to memory of 3340 516 Invoice Confirmation.exe 101 PID 516 wrote to memory of 3340 516 Invoice Confirmation.exe 101 PID 516 wrote to memory of 3340 516 Invoice Confirmation.exe 101 PID 516 wrote to memory of 3340 516 Invoice Confirmation.exe 101 PID 516 wrote to memory of 3340 516 Invoice Confirmation.exe 101 PID 516 wrote to memory of 3340 516 Invoice Confirmation.exe 101 PID 516 wrote to memory of 3340 516 Invoice Confirmation.exe 101 PID 516 wrote to memory of 3340 516 Invoice Confirmation.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe"C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:516 -
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:1668
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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:4836
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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\tmpFE94.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:924
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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:3340
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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
2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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Filesize
18KB
MD54997121abd5ecaf4e3402565763f0d69
SHA1cb38ef9ab83406629969876d00cd3a428f55f015
SHA2562c8b2896a392ac6057040a035ee2b874ea4ee258a043a326e7a53291067b2df2
SHA512dd93436706a2bc01707d991563b549c16b397624c1b918c9d59f5f537e3eac963767a9fb89bd8bcdc0a497de917946046efda841fb364f0664d6abebcce260df
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5de9addb69dc56ef5cc96b1b2294530e6
SHA1f89890ff635451736292c07a44ba62799c76121b
SHA25688727f15506a8dbe6865251201b014193af9069536f5f28bc9885640af54674d
SHA512997abca70f000cda7457b2425e6067fc48453d45415ee0dab32b443f04bcd1706d643760c3ac50a4dc690fe42ac7df35287486fa49b8717055c63225555201c2