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
151s -
max time network
154s -
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 12:26
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 3940 powershell.exe 5096 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-1-5-21-3350944739-639801879-157714471-1000\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 3324 set thread context of 4508 3324 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 2972 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 5096 powershell.exe 5096 powershell.exe 3940 powershell.exe 4508 Invoice Confirmation.exe 4508 Invoice Confirmation.exe 3940 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 5096 powershell.exe Token: SeDebugPrivilege 3940 powershell.exe Token: SeDebugPrivilege 4508 Invoice Confirmation.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3324 wrote to memory of 5096 3324 Invoice Confirmation.exe 94 PID 3324 wrote to memory of 5096 3324 Invoice Confirmation.exe 94 PID 3324 wrote to memory of 5096 3324 Invoice Confirmation.exe 94 PID 3324 wrote to memory of 3940 3324 Invoice Confirmation.exe 96 PID 3324 wrote to memory of 3940 3324 Invoice Confirmation.exe 96 PID 3324 wrote to memory of 3940 3324 Invoice Confirmation.exe 96 PID 3324 wrote to memory of 2972 3324 Invoice Confirmation.exe 98 PID 3324 wrote to memory of 2972 3324 Invoice Confirmation.exe 98 PID 3324 wrote to memory of 2972 3324 Invoice Confirmation.exe 98 PID 3324 wrote to memory of 4508 3324 Invoice Confirmation.exe 100 PID 3324 wrote to memory of 4508 3324 Invoice Confirmation.exe 100 PID 3324 wrote to memory of 4508 3324 Invoice Confirmation.exe 100 PID 3324 wrote to memory of 4508 3324 Invoice Confirmation.exe 100 PID 3324 wrote to memory of 4508 3324 Invoice Confirmation.exe 100 PID 3324 wrote to memory of 4508 3324 Invoice Confirmation.exe 100 PID 3324 wrote to memory of 4508 3324 Invoice Confirmation.exe 100 PID 3324 wrote to memory of 4508 3324 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:3324 -
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:5096
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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:3940
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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\tmpE196.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2972
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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:4508
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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
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD581e4d305bd4991ae7bd0def90abc6a7c
SHA13d2fb7f5a226ea6d42e7117e9612c5acecd26821
SHA256fab5e58e3160cdb8533507780a17d6874f6ff0b89fe5ef39b6dc8d991b380470
SHA51267eb9cb140e2ac20ac37a878d9ae51eaef0c6fe6d4e5cadbfcb20510032461e644464ffe7bf51e250615a8fc1b40bad22b7d1655a2a9c3d2cb5e0a6adb52c7ae
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5c2b95875d4a5e6a203cefeb919304f6d
SHA164a5ba8f2769c287bad5552eb4285f7959195435
SHA256213206fa1191b766fe62ba8e488dbc9e30bae9b25100451a387aedd9257fa85f
SHA5124ca149b3ac2f3ea2495581714b0e465cc9dde10d07fc28350222be7e9dde809ea0375d279fb7a14eec0b691b8bac441f45080d7d2f10e8c618d853c9506334d0