Analysis
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max time kernel
143s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2023 13:50
Static task
static1
Behavioral task
behavioral1
Sample
6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe
Resource
win10v2004-20231127-en
General
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Target
6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe
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Size
550KB
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MD5
b86889a778d341f384651c5950f65a47
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SHA1
3953603b47411e8c0b3c3906fdfad2dca66aad6b
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SHA256
6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40
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SHA512
4e044a5db64940a21825a597e3c45090f06e8e54b1dfcdd2d6e68054c2d1ea4caa6b14d7f99dfef0431e81ed5f587275a21ed54ac0c2b8dcbc84f9daf3fefacb
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SSDEEP
6144:jcqPlAc2jHc2j5c2pe0xVO7JpyTaeDLzjFVKIhzcwOBflXEY+2kx+YRtWel2H+j:jcqd+xVO7Jw3FV5zoflXEY+F7D4XXE
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.darnfoss.com - Port:
587 - Username:
[email protected] - Password:
QhMzMMh0
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/4984-17-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Control Panel\International\Geo\Nation 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe -
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:
6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe Key opened \REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe Key opened \REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exedescription pid process target process PID 224 set thread context of 4984 224 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exe6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exepid process 1568 powershell.exe 4984 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe 4984 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe 1568 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exe6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exedescription pid process Token: SeDebugPrivilege 1568 powershell.exe Token: SeDebugPrivilege 4984 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exedescription pid process target process PID 224 wrote to memory of 1568 224 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe powershell.exe PID 224 wrote to memory of 1568 224 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe powershell.exe PID 224 wrote to memory of 1568 224 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe powershell.exe PID 224 wrote to memory of 4984 224 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe PID 224 wrote to memory of 4984 224 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe PID 224 wrote to memory of 4984 224 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe PID 224 wrote to memory of 4984 224 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe PID 224 wrote to memory of 4984 224 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe PID 224 wrote to memory of 4984 224 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe PID 224 wrote to memory of 4984 224 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe PID 224 wrote to memory of 4984 224 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe -
outlook_office_path 1 IoCs
Processes:
6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe -
outlook_win_path 1 IoCs
Processes:
6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe"C:\Users\Admin\AppData\Local\Temp\6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1568 -
C:\Users\Admin\AppData\Local\Temp\6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe"C:\Users\Admin\AppData\Local\Temp\6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4984
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82