Analysis
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max time kernel
139s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 23:20
Static task
static1
Behavioral task
behavioral1
Sample
Mediform SA Order 07082020.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Mediform SA Order 07082020.exe
Resource
win10v2004-20220414-en
General
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Target
Mediform SA Order 07082020.exe
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Size
433KB
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MD5
1feec404f7d6d4e186317e75426be384
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SHA1
9d03659a899d900688733c51d04f263179f76afa
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SHA256
50529809a9b92f2b353e94a27b850f7be76f820c9a413a5968d686026936c133
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SHA512
365fbe02de6112915a48948769e3bb3d295eb8d3a39cd8ee110ef977b5a3adbff3e28d56349a507d49cd47d100a50da9bd43f706f6c3ad0dae46c7cf1fb1e12f
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
drsaint1992101
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
drsaint1992101
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4356-140-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Mediform SA Order 07082020.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation Mediform SA Order 07082020.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:
Mediform SA Order 07082020.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Mediform SA Order 07082020.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Mediform SA Order 07082020.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Mediform SA Order 07082020.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Mediform SA Order 07082020.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Roaming\\\\.exe" Mediform SA Order 07082020.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Mediform SA Order 07082020.exedescription pid process target process PID 3988 set thread context of 4356 3988 Mediform SA Order 07082020.exe Mediform SA Order 07082020.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 10 IoCs
Processes:
Mediform SA Order 07082020.exeMediform SA Order 07082020.exepid process 3988 Mediform SA Order 07082020.exe 3988 Mediform SA Order 07082020.exe 3988 Mediform SA Order 07082020.exe 3988 Mediform SA Order 07082020.exe 3988 Mediform SA Order 07082020.exe 3988 Mediform SA Order 07082020.exe 3988 Mediform SA Order 07082020.exe 3988 Mediform SA Order 07082020.exe 4356 Mediform SA Order 07082020.exe 4356 Mediform SA Order 07082020.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
Mediform SA Order 07082020.exepid process 4356 Mediform SA Order 07082020.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Mediform SA Order 07082020.exeMediform SA Order 07082020.exedescription pid process Token: SeDebugPrivilege 3988 Mediform SA Order 07082020.exe Token: SeDebugPrivilege 4356 Mediform SA Order 07082020.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Mediform SA Order 07082020.exepid process 4356 Mediform SA Order 07082020.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
Mediform SA Order 07082020.exedescription pid process target process PID 3988 wrote to memory of 1452 3988 Mediform SA Order 07082020.exe schtasks.exe PID 3988 wrote to memory of 1452 3988 Mediform SA Order 07082020.exe schtasks.exe PID 3988 wrote to memory of 1452 3988 Mediform SA Order 07082020.exe schtasks.exe PID 3988 wrote to memory of 3436 3988 Mediform SA Order 07082020.exe Mediform SA Order 07082020.exe PID 3988 wrote to memory of 3436 3988 Mediform SA Order 07082020.exe Mediform SA Order 07082020.exe PID 3988 wrote to memory of 3436 3988 Mediform SA Order 07082020.exe Mediform SA Order 07082020.exe PID 3988 wrote to memory of 4436 3988 Mediform SA Order 07082020.exe Mediform SA Order 07082020.exe PID 3988 wrote to memory of 4436 3988 Mediform SA Order 07082020.exe Mediform SA Order 07082020.exe PID 3988 wrote to memory of 4436 3988 Mediform SA Order 07082020.exe Mediform SA Order 07082020.exe PID 3988 wrote to memory of 4356 3988 Mediform SA Order 07082020.exe Mediform SA Order 07082020.exe PID 3988 wrote to memory of 4356 3988 Mediform SA Order 07082020.exe Mediform SA Order 07082020.exe PID 3988 wrote to memory of 4356 3988 Mediform SA Order 07082020.exe Mediform SA Order 07082020.exe PID 3988 wrote to memory of 4356 3988 Mediform SA Order 07082020.exe Mediform SA Order 07082020.exe PID 3988 wrote to memory of 4356 3988 Mediform SA Order 07082020.exe Mediform SA Order 07082020.exe PID 3988 wrote to memory of 4356 3988 Mediform SA Order 07082020.exe Mediform SA Order 07082020.exe PID 3988 wrote to memory of 4356 3988 Mediform SA Order 07082020.exe Mediform SA Order 07082020.exe PID 3988 wrote to memory of 4356 3988 Mediform SA Order 07082020.exe Mediform SA Order 07082020.exe -
outlook_office_path 1 IoCs
Processes:
Mediform SA Order 07082020.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Mediform SA Order 07082020.exe -
outlook_win_path 1 IoCs
Processes:
Mediform SA Order 07082020.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Mediform SA Order 07082020.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Mediform SA Order 07082020.exe"C:\Users\Admin\AppData\Local\Temp\Mediform SA Order 07082020.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FdntcbreynmAzG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5D14.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Mediform SA Order 07082020.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Mediform SA Order 07082020.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Mediform SA Order 07082020.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp5D14.tmpFilesize
1KB
MD533ebc5924f8049ff1456fdf887f79854
SHA1388b5b9e62132f9355a3ace5560e6fbeac1c6939
SHA256ed889fea7c76962dda7e45f09850159b68f9178dad05488ad52d458bbcc72f40
SHA51210d626ef300c5f3fb33e70e5f30a30c64103740484c2ee7e0af5af6025a95b65dbb01a6a79616876ed9cf75dc4f3bd7af5600f92fd7cbf7a100dac76eaca78e3
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memory/1452-135-0x0000000000000000-mapping.dmp
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memory/3436-137-0x0000000000000000-mapping.dmp
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memory/3988-133-0x0000000004F40000-0x0000000004F4A000-memory.dmpFilesize
40KB
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memory/3988-134-0x00000000074E0000-0x000000000757C000-memory.dmpFilesize
624KB
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memory/3988-130-0x0000000000520000-0x0000000000592000-memory.dmpFilesize
456KB
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memory/3988-132-0x0000000004F70000-0x0000000005002000-memory.dmpFilesize
584KB
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memory/3988-131-0x0000000005520000-0x0000000005AC4000-memory.dmpFilesize
5.6MB
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memory/4356-139-0x0000000000000000-mapping.dmp
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memory/4356-140-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/4356-141-0x0000000005D80000-0x0000000005DE6000-memory.dmpFilesize
408KB
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memory/4356-142-0x0000000006B00000-0x0000000006B50000-memory.dmpFilesize
320KB
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memory/4436-138-0x0000000000000000-mapping.dmp