Analysis
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max time kernel
118s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
14-09-2024 13:58
Static task
static1
Behavioral task
behavioral1
Sample
wvP.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
wvP.exe
Resource
win10v2004-20240802-en
General
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Target
wvP.exe
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Size
722KB
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MD5
b33d730136cae062a912aebbdf3364d4
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SHA1
2aa45f4bff155e5f2b717c3108ed60eb4e82f7d8
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SHA256
83bd0492ad4599669d45f30993c0f6758940875008ee00a2b460f85566e1afee
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SHA512
8a5a0654b6afae7d791b4c4c1236b28925a7e0d25d04e9b82f26c73e95a6abd7173067a7f81167ec6107ed9b3dcbb2004b2feab4c77d2c4f9c9ba17893554924
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SSDEEP
12288:MWYIPXjxannnHg2tJVf4E/c3xVnBv66wHVKk8zbHPdeXfiD/KzKkjbD5T:MWYIPFannnHg2dQ8cx6LKkkbvdeQK+K
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5419172676:AAGNCqb7KIw9SSEGRFeD_N3VWL9qYPGdqaw/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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 4992 powershell.exe 4784 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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation wvP.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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cashout = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cashout\\cashout.exe" wvP.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 22 api.ipify.org 23 api.ipify.org 25 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5076 set thread context of 4944 5076 wvP.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 wvP.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 wvP.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 1620 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 5076 wvP.exe 5076 wvP.exe 4992 powershell.exe 4784 powershell.exe 4992 powershell.exe 5076 wvP.exe 5076 wvP.exe 5076 wvP.exe 4944 wvP.exe 4944 wvP.exe 4784 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5076 wvP.exe Token: SeDebugPrivilege 4992 powershell.exe Token: SeDebugPrivilege 4784 powershell.exe Token: SeDebugPrivilege 4944 wvP.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4944 wvP.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 5076 wrote to memory of 4992 5076 wvP.exe 94 PID 5076 wrote to memory of 4992 5076 wvP.exe 94 PID 5076 wrote to memory of 4992 5076 wvP.exe 94 PID 5076 wrote to memory of 4784 5076 wvP.exe 96 PID 5076 wrote to memory of 4784 5076 wvP.exe 96 PID 5076 wrote to memory of 4784 5076 wvP.exe 96 PID 5076 wrote to memory of 1620 5076 wvP.exe 98 PID 5076 wrote to memory of 1620 5076 wvP.exe 98 PID 5076 wrote to memory of 1620 5076 wvP.exe 98 PID 5076 wrote to memory of 2640 5076 wvP.exe 100 PID 5076 wrote to memory of 2640 5076 wvP.exe 100 PID 5076 wrote to memory of 2640 5076 wvP.exe 100 PID 5076 wrote to memory of 4944 5076 wvP.exe 101 PID 5076 wrote to memory of 4944 5076 wvP.exe 101 PID 5076 wrote to memory of 4944 5076 wvP.exe 101 PID 5076 wrote to memory of 4944 5076 wvP.exe 101 PID 5076 wrote to memory of 4944 5076 wvP.exe 101 PID 5076 wrote to memory of 4944 5076 wvP.exe 101 PID 5076 wrote to memory of 4944 5076 wvP.exe 101 PID 5076 wrote to memory of 4944 5076 wvP.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\wvP.exe"C:\Users\Admin\AppData\Local\Temp\wvP.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5076 -
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\wvP.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4992
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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\vfkShVG.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4784
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vfkShVG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBD45.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1620
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C:\Users\Admin\AppData\Local\Temp\wvP.exe"C:\Users\Admin\AppData\Local\Temp\wvP.exe"2⤵PID:2640
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C:\Users\Admin\AppData\Local\Temp\wvP.exe"C:\Users\Admin\AppData\Local\Temp\wvP.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:4944
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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
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
MD504e283b65d5b592b022206a80508af4e
SHA19f1f178accb9be7ae2ebea7e28895bcdefe47274
SHA2561b84589ca7e19c72cf598d10ab867ba8b3583524291376fd182cec06f1c87268
SHA51206d5340bccc2e600625e4cd490ad908eec0f14478f8a6030935ca5a29b2c8200eb390138843a9fe21f4e51f5a8d01fd96ccaf824236c32ea117cf4ecc3c77abc
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
722KB
MD5b33d730136cae062a912aebbdf3364d4
SHA12aa45f4bff155e5f2b717c3108ed60eb4e82f7d8
SHA25683bd0492ad4599669d45f30993c0f6758940875008ee00a2b460f85566e1afee
SHA5128a5a0654b6afae7d791b4c4c1236b28925a7e0d25d04e9b82f26c73e95a6abd7173067a7f81167ec6107ed9b3dcbb2004b2feab4c77d2c4f9c9ba17893554924
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Filesize
1KB
MD5659287b6698587c76c96e73139d77ace
SHA1954ae21a3558bf0df961e29546f806190153c531
SHA2564bcf61e6e010b34a6bb7b61c522643ffe2597002b730ca41f959df9604bd42e4
SHA512f334c147e1a22df80f33037e04edb992dd43169a3ca2ba71bd026367060e5ae958d87af2bf204b3c21c25aa934e244aa92397b7a79319717e039a09b29e93ba6