Analysis
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max time kernel
150s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 12:05
Static task
static1
Behavioral task
behavioral1
Sample
Ref ____ No. 12082020 ___ Scan.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Ref ____ No. 12082020 ___ Scan.exe
Resource
win10v2004-20220414-en
General
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Target
Ref ____ No. 12082020 ___ Scan.exe
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Size
688KB
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MD5
bb22c8af05bf472b9a2574e8b82d5074
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SHA1
0f8ab7991bc71001352f13f5ad2b8d9bdbf1df7c
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SHA256
9f45c86fbb9fb265250eb08929d8c8cff306fe1715bcbb2e6fe5008f38903f5e
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SHA512
841990552274176f36b54b39afce11ea6ed9a4bdec900f47d673d517860f9ec1442d294361e72963a9aeeb64e45d60e9ecd958132b3709f026362f49999fa7f0
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
Swagger22
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
Swagger22
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/4400-134-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Ref ____ No. 12082020 ___ Scan.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation Ref ____ No. 12082020 ___ Scan.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:
Ref ____ No. 12082020 ___ Scan.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Ref ____ No. 12082020 ___ Scan.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Ref ____ No. 12082020 ___ Scan.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Ref ____ No. 12082020 ___ Scan.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Ref ____ No. 12082020 ___ Scan.exedescription pid process target process PID 2868 set thread context of 4400 2868 Ref ____ No. 12082020 ___ Scan.exe Ref ____ No. 12082020 ___ Scan.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 6 IoCs
Processes:
Ref ____ No. 12082020 ___ Scan.exeRef ____ No. 12082020 ___ Scan.exepid process 2868 Ref ____ No. 12082020 ___ Scan.exe 2868 Ref ____ No. 12082020 ___ Scan.exe 2868 Ref ____ No. 12082020 ___ Scan.exe 2868 Ref ____ No. 12082020 ___ Scan.exe 4400 Ref ____ No. 12082020 ___ Scan.exe 4400 Ref ____ No. 12082020 ___ Scan.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Ref ____ No. 12082020 ___ Scan.exeRef ____ No. 12082020 ___ Scan.exedescription pid process Token: SeDebugPrivilege 2868 Ref ____ No. 12082020 ___ Scan.exe Token: SeDebugPrivilege 4400 Ref ____ No. 12082020 ___ Scan.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Ref ____ No. 12082020 ___ Scan.exedescription pid process target process PID 2868 wrote to memory of 3176 2868 Ref ____ No. 12082020 ___ Scan.exe schtasks.exe PID 2868 wrote to memory of 3176 2868 Ref ____ No. 12082020 ___ Scan.exe schtasks.exe PID 2868 wrote to memory of 3176 2868 Ref ____ No. 12082020 ___ Scan.exe schtasks.exe PID 2868 wrote to memory of 4400 2868 Ref ____ No. 12082020 ___ Scan.exe Ref ____ No. 12082020 ___ Scan.exe PID 2868 wrote to memory of 4400 2868 Ref ____ No. 12082020 ___ Scan.exe Ref ____ No. 12082020 ___ Scan.exe PID 2868 wrote to memory of 4400 2868 Ref ____ No. 12082020 ___ Scan.exe Ref ____ No. 12082020 ___ Scan.exe PID 2868 wrote to memory of 4400 2868 Ref ____ No. 12082020 ___ Scan.exe Ref ____ No. 12082020 ___ Scan.exe PID 2868 wrote to memory of 4400 2868 Ref ____ No. 12082020 ___ Scan.exe Ref ____ No. 12082020 ___ Scan.exe PID 2868 wrote to memory of 4400 2868 Ref ____ No. 12082020 ___ Scan.exe Ref ____ No. 12082020 ___ Scan.exe PID 2868 wrote to memory of 4400 2868 Ref ____ No. 12082020 ___ Scan.exe Ref ____ No. 12082020 ___ Scan.exe PID 2868 wrote to memory of 4400 2868 Ref ____ No. 12082020 ___ Scan.exe Ref ____ No. 12082020 ___ Scan.exe -
outlook_office_path 1 IoCs
Processes:
Ref ____ No. 12082020 ___ Scan.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Ref ____ No. 12082020 ___ Scan.exe -
outlook_win_path 1 IoCs
Processes:
Ref ____ No. 12082020 ___ Scan.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 Ref ____ No. 12082020 ___ Scan.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Ref ____ No. 12082020 ___ Scan.exe"C:\Users\Admin\AppData\Local\Temp\Ref ____ No. 12082020 ___ Scan.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2868 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LuHrdzCO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDF63.tmp"2⤵
- Creates scheduled task(s)
PID:3176 -
C:\Users\Admin\AppData\Local\Temp\Ref ____ No. 12082020 ___ Scan.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4400
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpDF63.tmpFilesize
1KB
MD52cc28a8345adf3b95c1c861f3fee57e8
SHA19eb4eeda18b9873026841844494a7c1f6cd547a4
SHA25627d6d438085cccefb789590da7d4fef3aeff15b17545c2e693df93e6b95dc46d
SHA5127f1bd60aad01cfeb3ff7d8ca9ee753c8cbc18850be843bf8b45a733a3e4409b7ce93cdda0dcd9b6323b77c0bd08921283c903543d74962a458685114ff971679
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memory/2868-130-0x0000000074890000-0x0000000074E41000-memory.dmpFilesize
5.7MB
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memory/3176-131-0x0000000000000000-mapping.dmp
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memory/4400-133-0x0000000000000000-mapping.dmp
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memory/4400-134-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/4400-135-0x0000000074890000-0x0000000074E41000-memory.dmpFilesize
5.7MB