Analysis
- max time kernel
75s - max time network
115s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
17/11/2022, 16:57
Static task
static1
Behavioral task
behavioral1
Sample
SOA.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
SOA.exe
Resource
win10v2004-20221111-en
General
- Target SOA.exe
- Size 704KB
- Sample221117-vf9ybaba2s
- SHA256 d2dd5814fced0acd5202091e9b0392ec2e96029315580930bcb9ab38deed14d0
- MD5 8fcd14bbb9d091caa0d93fe9e3e132b1
- SHA1 a5d80bc3d0055639e13a9a13166eeea1e95b6981
- SHA512 4bbcf3a770224be8ad886f030045473dbab6995dc6bb7e5924a5d23748616c03758c1eb451954b0813029503bc9259669d35bf787c43200186900662b0bdb863
- SSDEEP 12288:FjcWhxGwqamT1vV8ZOEIThZcAKanUdS5pxxrQw++JzBpp30tvg:awqamBiD0hZcL06S5Hxt++BBpp30m
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5745656562:AAEWafwrgUiORYk4Z5mN1SY726IYW3inkfw/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation SOA.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SOA.exe Key opened \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SOA.exe Key opened \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SOA.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DnDcR = "C:\\Users\\Admin\\AppData\\Roaming\\DnDcR\\DnDcR.exe" SOA.exe - Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 27 api.ipify.org 26 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3876 set thread context of 2028 3876 SOA.exe 89 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1956 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3876 SOA.exe 3876 SOA.exe 1728 powershell.exe 1728 powershell.exe 2028 SOA.exe 2028 SOA.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3876 SOA.exe Token: SeDebugPrivilege 1728 powershell.exe Token: SeDebugPrivilege 2028 SOA.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2028 SOA.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3876 wrote to memory of 1728 3876 SOA.exe 85 PID 3876 wrote to memory of 1728 3876 SOA.exe 85 PID 3876 wrote to memory of 1728 3876 SOA.exe 85 PID 3876 wrote to memory of 1956 3876 SOA.exe 87 PID 3876 wrote to memory of 1956 3876 SOA.exe 87 PID 3876 wrote to memory of 1956 3876 SOA.exe 87 PID 3876 wrote to memory of 2028 3876 SOA.exe 89 PID 3876 wrote to memory of 2028 3876 SOA.exe 89 PID 3876 wrote to memory of 2028 3876 SOA.exe 89 PID 3876 wrote to memory of 2028 3876 SOA.exe 89 PID 3876 wrote to memory of 2028 3876 SOA.exe 89 PID 3876 wrote to memory of 2028 3876 SOA.exe 89 PID 3876 wrote to memory of 2028 3876 SOA.exe 89 PID 3876 wrote to memory of 2028 3876 SOA.exe 89 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SOA.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SOA.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\SOA.exe"C:\Users\Admin\AppData\Local\Temp\SOA.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3876 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EUdvNFecB.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1728
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EUdvNFecB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2829.tmp"2⤵
- Creates scheduled task(s)
PID:1956
-
-
C:\Users\Admin\AppData\Local\Temp\SOA.exe"C:\Users\Admin\AppData\Local\Temp\SOA.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2028
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp2829.tmp
- Size 1KB
- SHA256 95299b9fff7cc2d920af30131356a1999b7dd413a75f6851126ddae013499fef
- MD5 80f83ed6a7c9f6f3b1e1333d3b4aa23b
- SHA1 ab34f36fbd5eb32511451d74e5e0bfd0c4ef0ecd
- SHA512 52762128958d72c0781ac623a219c6447973b9a5bae6d7b6217948d956679879a959088f38b635b45d9e7e699b7ab37a443d892bcdf6e8a1c83148ccada33755
- MD5 SHA1 SHA512