Analysis
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max time kernel
125s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20231201-en -
resource tags
arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2023 15:24
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Win32.PWSX-gen.30226.exe
Resource
win7-20231130-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Win32.PWSX-gen.30226.exe
Resource
win10v2004-20231201-en
General
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Target
SecuriteInfo.com.Win32.PWSX-gen.30226.exe
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Size
720KB
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MD5
31dd2e39c8df030acfcbac60f31e1fc7
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SHA1
4f5043b4569851675908b0a53bcc3dfdd6aaf5d5
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SHA256
5931ddeea405cd4878d2fd6e340d55021a71dfd2619e56e7e5c5bbad0488db34
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SHA512
7d530ce80312f9e1d751727c3c537c3a0d4e6639bc968da0c80b190e0b5c8ed13704c28a10ed69f70c75540852b4fe7cea087355eae21bbf200a08717649e571
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SSDEEP
12288:TZ5nF8ME6jD/hLcBRTnunntqorOkfDhJQQ7zbxGL/n3WaOp/wOOBcei/um+Tt:TZPtD/yBtQqChT7PCn3WyOO4/uZTt
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.amtechcards.com - Port:
587 - Username:
[email protected] - Password:
puuAt8;(Y$NU - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
SecuriteInfo.com.Win32.PWSX-gen.30226.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2192493100-457715857-1189582111-1000\Control Panel\International\Geo\Nation SecuriteInfo.com.Win32.PWSX-gen.30226.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 6 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SecuriteInfo.com.Win32.PWSX-gen.30226.exedescription pid process target process PID 2320 set thread context of 3576 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4932 3576 WerFault.exe RegSvcs.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
SecuriteInfo.com.Win32.PWSX-gen.30226.exepowershell.exeRegSvcs.exepid process 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe 1552 powershell.exe 3576 RegSvcs.exe 3576 RegSvcs.exe 1552 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
SecuriteInfo.com.Win32.PWSX-gen.30226.exepowershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe Token: SeDebugPrivilege 1552 powershell.exe Token: SeDebugPrivilege 3576 RegSvcs.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
SecuriteInfo.com.Win32.PWSX-gen.30226.exedescription pid process target process PID 2320 wrote to memory of 1552 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe powershell.exe PID 2320 wrote to memory of 1552 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe powershell.exe PID 2320 wrote to memory of 1552 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe powershell.exe PID 2320 wrote to memory of 3312 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe schtasks.exe PID 2320 wrote to memory of 3312 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe schtasks.exe PID 2320 wrote to memory of 3312 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe schtasks.exe PID 2320 wrote to memory of 3576 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe RegSvcs.exe PID 2320 wrote to memory of 3576 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe RegSvcs.exe PID 2320 wrote to memory of 3576 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe RegSvcs.exe PID 2320 wrote to memory of 3576 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe RegSvcs.exe PID 2320 wrote to memory of 3576 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe RegSvcs.exe PID 2320 wrote to memory of 3576 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe RegSvcs.exe PID 2320 wrote to memory of 3576 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe RegSvcs.exe PID 2320 wrote to memory of 3576 2320 SecuriteInfo.com.Win32.PWSX-gen.30226.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.30226.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.30226.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gTawmWVqLHJ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1552 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gTawmWVqLHJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp84D0.tmp"2⤵
- Creates scheduled task(s)
PID:3312 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3576 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 18003⤵
- Program crash
PID:4932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3576 -ip 35761⤵PID:4464
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD504b72e9542b5612cbf7110bd6aad41d9
SHA144f6d8106b381099bc2c584c0eae320b89c5c955
SHA256fdda633e1402f5fbb7f139adc459bf2cbee1dff08af5f7c7ae64169d04d9a5ed
SHA512a24e6534f49ff91d44fdb449c13392ae824267efff8af54460a5ba60c79e7d76ad4893091f2b2e622f1ab82aea6b772aeccbf33375e66cb2ae61c528079c3c3b