Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2024 19:01
Static task
static1
Behavioral task
behavioral1
Sample
64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe
Resource
win7-20240903-en
General
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Target
64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe
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Size
768KB
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MD5
935f65f1b34d979429d92268a2a71460
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SHA1
065005c8faf14a8cdafc86070dfa64e39345f34f
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SHA256
64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2
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SHA512
caa659ed28668169f1780da917490c4e9915fa849d9c526d5f9edaa47137eb729d288cdd41b39c101125e83c6e242a75d8a0b8c9fec2860f21ca0567973df0d1
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SSDEEP
12288:DKRvTsh5vkaPRKMB3EpG4/in6iNI+cgeTG6/DQ3+Coxr+M+ACR5leZlNLkt:DmavkaZKMavm6iNIlgsG6rgM+M+A+erU
Malware Config
Extracted
Protocol: smtp- Host:
mail.topcats.com - Port:
587 - Username:
[email protected] - Password:
SpurS21?
Extracted
agenttesla
Protocol: smtp- Host:
mail.topcats.com - Port:
587 - Username:
[email protected] - Password:
SpurS21? - 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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Agenttesla family
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.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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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 17 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exedescription pid Process procid_target PID 4192 set thread context of 544 4192 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 103 -
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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exepowershell.exeschtasks.exe64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.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 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe -
Scheduled Task/Job: Scheduled Task 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 4 IoCs
Processes:
powershell.exe64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exepid Process 3144 powershell.exe 544 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 544 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 3144 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exe64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exedescription pid Process Token: SeDebugPrivilege 3144 powershell.exe Token: SeDebugPrivilege 544 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exepid Process 544 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exedescription pid Process procid_target PID 4192 wrote to memory of 3144 4192 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 99 PID 4192 wrote to memory of 3144 4192 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 99 PID 4192 wrote to memory of 3144 4192 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 99 PID 4192 wrote to memory of 3848 4192 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 101 PID 4192 wrote to memory of 3848 4192 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 101 PID 4192 wrote to memory of 3848 4192 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 101 PID 4192 wrote to memory of 544 4192 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 103 PID 4192 wrote to memory of 544 4192 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 103 PID 4192 wrote to memory of 544 4192 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 103 PID 4192 wrote to memory of 544 4192 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 103 PID 4192 wrote to memory of 544 4192 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 103 PID 4192 wrote to memory of 544 4192 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 103 PID 4192 wrote to memory of 544 4192 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 103 PID 4192 wrote to memory of 544 4192 64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe"C:\Users\Admin\AppData\Local\Temp\64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4192 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xHETYXWFB.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3144
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xHETYXWFB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA950.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3848
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C:\Users\Admin\AppData\Local\Temp\64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe"C:\Users\Admin\AppData\Local\Temp\64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:544
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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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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD575a73a76b7faf18932d214412b8b4829
SHA1d7d2804be8b7177e7e3f7a9d4ffad8c723be98ed
SHA2567369ff1d60c5760a48c8a1bfd0477c889e2be96d650405a8f16cff22b7fc36ad
SHA51297b3622b8b5cedd8ecbadd82cbb4b212fbae549cbc20dd473aae2c209f57b57ec46e2865602165395762bf3eb5bc2ea236a132941b9983fa42328fd105698f34