Analysis
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max time kernel
178s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
08-12-2022 15:50
Static task
static1
Behavioral task
behavioral1
Sample
payment copy.pdf.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
payment copy.pdf.exe
Resource
win10v2004-20220812-en
General
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Target
payment copy.pdf.exe
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Size
874KB
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MD5
19b12dc02fe474dead3c44c468554d6f
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SHA1
9407e38cea8b04705f433a7cb91ec25fda611263
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SHA256
3ccaf74f465a79ec320fdb7e44ae09551f4348efd3bf8bf7b3638cc0c1cd8492
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SHA512
2ede1e930e060451ebba68396cca0eb4a7dd3c65a2b0039f87dd687a5f8876db58d14add581303de9ab890865fba312b0db1f3c2cc324bf9584a10993cec4ad3
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SSDEEP
12288:knoQgKZ/nXt7virmWhlGLaQYImptNmkEcPbiZx8JCozVpSs8X45jOCXJWfBhib6S:kGNwK+EJCozno4RQZwbUIxxF/Xzr
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.reousaomilia.gr - Port:
587 - Username:
[email protected] - Password:
nora2020! - 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:
payment copy.pdf.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation payment copy.pdf.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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
payment copy.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 payment copy.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 payment copy.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 payment copy.pdf.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 34 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
payment copy.pdf.exedescription pid process target process PID 4748 set thread context of 2388 4748 payment copy.pdf.exe payment copy.pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 7 IoCs
Processes:
payment copy.pdf.exepowershell.exepayment copy.pdf.exepid process 4748 payment copy.pdf.exe 4748 payment copy.pdf.exe 4716 powershell.exe 2388 payment copy.pdf.exe 2388 payment copy.pdf.exe 4716 powershell.exe 2388 payment copy.pdf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
payment copy.pdf.exepowershell.exepayment copy.pdf.exedescription pid process Token: SeDebugPrivilege 4748 payment copy.pdf.exe Token: SeDebugPrivilege 4716 powershell.exe Token: SeDebugPrivilege 2388 payment copy.pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
payment copy.pdf.exepid process 2388 payment copy.pdf.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
payment copy.pdf.exedescription pid process target process PID 4748 wrote to memory of 4716 4748 payment copy.pdf.exe powershell.exe PID 4748 wrote to memory of 4716 4748 payment copy.pdf.exe powershell.exe PID 4748 wrote to memory of 4716 4748 payment copy.pdf.exe powershell.exe PID 4748 wrote to memory of 4184 4748 payment copy.pdf.exe schtasks.exe PID 4748 wrote to memory of 4184 4748 payment copy.pdf.exe schtasks.exe PID 4748 wrote to memory of 4184 4748 payment copy.pdf.exe schtasks.exe PID 4748 wrote to memory of 2388 4748 payment copy.pdf.exe payment copy.pdf.exe PID 4748 wrote to memory of 2388 4748 payment copy.pdf.exe payment copy.pdf.exe PID 4748 wrote to memory of 2388 4748 payment copy.pdf.exe payment copy.pdf.exe PID 4748 wrote to memory of 2388 4748 payment copy.pdf.exe payment copy.pdf.exe PID 4748 wrote to memory of 2388 4748 payment copy.pdf.exe payment copy.pdf.exe PID 4748 wrote to memory of 2388 4748 payment copy.pdf.exe payment copy.pdf.exe PID 4748 wrote to memory of 2388 4748 payment copy.pdf.exe payment copy.pdf.exe PID 4748 wrote to memory of 2388 4748 payment copy.pdf.exe payment copy.pdf.exe -
outlook_office_path 1 IoCs
Processes:
payment copy.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 payment copy.pdf.exe -
outlook_win_path 1 IoCs
Processes:
payment copy.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 payment copy.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\payment copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\payment copy.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4748 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FpsFCIpjUIzS.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4716
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FpsFCIpjUIzS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBC3B.tmp"2⤵
- Creates scheduled task(s)
PID:4184
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C:\Users\Admin\AppData\Local\Temp\payment copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\payment copy.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2388
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
1KB
MD56e2ba317cd35ea9c12b76809dbf6fde9
SHA1530670034e62286102d1dab4a471938df9666bca
SHA256b91fff5c1a97170af5cf2c197c70e2d536f54866ec29fc020f8fd0ab72ce1aaa
SHA512cac14859fd3301095089c2cac5a4db589a42cb9e521b8de0819209a8ff116add37b3a865f5c784ca6495f15208fa3c1802feb2b713bcabb8ce457b993d2972ae