Resubmissions
03-01-2025 23:07
250103-2344xa1kcj 1003-01-2025 12:42
250103-pxdcsatray 1003-01-2025 12:26
250103-pmhvhstlhw 10Analysis
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max time kernel
129s -
max time network
157s -
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 23:07
Static task
static1
Behavioral task
behavioral1
Sample
Invoice Confirmation.exe
Resource
win7-20240729-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 1416 powershell.exe 3264 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-1-5-21-2878641211-696417878-3864914810-1000\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 2784 set thread context of 932 2784 Invoice Confirmation.exe 100 -
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 2944 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1416 powershell.exe 1416 powershell.exe 3264 powershell.exe 932 Invoice Confirmation.exe 932 Invoice Confirmation.exe 3264 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1416 powershell.exe Token: SeDebugPrivilege 3264 powershell.exe Token: SeDebugPrivilege 932 Invoice Confirmation.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2784 wrote to memory of 1416 2784 Invoice Confirmation.exe 94 PID 2784 wrote to memory of 1416 2784 Invoice Confirmation.exe 94 PID 2784 wrote to memory of 1416 2784 Invoice Confirmation.exe 94 PID 2784 wrote to memory of 3264 2784 Invoice Confirmation.exe 96 PID 2784 wrote to memory of 3264 2784 Invoice Confirmation.exe 96 PID 2784 wrote to memory of 3264 2784 Invoice Confirmation.exe 96 PID 2784 wrote to memory of 2944 2784 Invoice Confirmation.exe 97 PID 2784 wrote to memory of 2944 2784 Invoice Confirmation.exe 97 PID 2784 wrote to memory of 2944 2784 Invoice Confirmation.exe 97 PID 2784 wrote to memory of 932 2784 Invoice Confirmation.exe 100 PID 2784 wrote to memory of 932 2784 Invoice Confirmation.exe 100 PID 2784 wrote to memory of 932 2784 Invoice Confirmation.exe 100 PID 2784 wrote to memory of 932 2784 Invoice Confirmation.exe 100 PID 2784 wrote to memory of 932 2784 Invoice Confirmation.exe 100 PID 2784 wrote to memory of 932 2784 Invoice Confirmation.exe 100 PID 2784 wrote to memory of 932 2784 Invoice Confirmation.exe 100 PID 2784 wrote to memory of 932 2784 Invoice Confirmation.exe 100
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:2784 -
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:1416
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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:3264
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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\tmpF8A8.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2944
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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:932
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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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5d3ee5b8c34d47fdc5b3407743bbfb136
SHA14042198bbfba3eb1850872c3de6f9a7c5c331d49
SHA256f2aaeb43bb24ef459c74487a1aea4d3d3b2022450d67d5dcaafe1b35d46935de
SHA51208e3ee2c3a93bf00dd55025d37dd57d8b7054595a0d7507d880f332a9288442ee741c12ced21eeaeb41f105928ee2904b4adfa425a5a18702085a89df186369a
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD51a2efb5507274ad2c494a298ce17bfb2
SHA1f9969c524facbc67f4cdbe3100c14bb7b305debe
SHA2562913f8fe0f302ee680bda8389e14d7f64b7327bfd7e8bd11b80f4e9e6db9b1aa
SHA512ced88f5d6097d6b04605eb0725730a6ba9e3733e23d34ff417a90cde231087186b692f3e62de711fbb1faf6fd22cf9a2d51b9538c1a6f73deceee01efcafe771