Analysis
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max time kernel
121s -
max time network
124s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
19-10-2021 10:30
Static task
static1
Behavioral task
behavioral1
Sample
REF00019102021-Order Xls.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
REF00019102021-Order Xls.exe
Resource
win10-en-20211014
General
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Target
REF00019102021-Order Xls.exe
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Size
1.0MB
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MD5
428be499d18400fb8a92b1d5bdf4bcc1
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SHA1
3e05b6c8b3c5f6d752ef26ee4472bf75c86aef99
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SHA256
c4144b07c23720baefa5ff9c9ca78438199544ecd20bc2df227fc361c9e5c935
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SHA512
a32681aeda4884508d2e71a636dbf9df200ba77f40341bd83d654fc0f6982054a55e1ea59491b319bd3c02b1712f4def7f52a57d01d6a155c7995b43fe26a0f9
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mmdqatar.com - Port:
587 - Username:
[email protected] - Password:
172.93.148.185
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1972-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1972-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1972-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1972-65-0x00000000004375DE-mapping.dmp family_agenttesla behavioral1/memory/1972-66-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Looks for VirtualBox Guest Additions in registry 2 TTPs
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Looks for VMWare Tools registry key 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
REF00019102021-Order Xls.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion REF00019102021-Order Xls.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion REF00019102021-Order Xls.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:
REF00019102021-Order Xls.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REF00019102021-Order Xls.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REF00019102021-Order Xls.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REF00019102021-Order Xls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
REF00019102021-Order Xls.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\Appdata = "C:\\Users\\Admin\\AppData\\Roaming\\Appdata\\Appdata.exe" REF00019102021-Order Xls.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
REF00019102021-Order Xls.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum REF00019102021-Order Xls.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 REF00019102021-Order Xls.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
REF00019102021-Order Xls.exedescription pid process target process PID 1172 set thread context of 1972 1172 REF00019102021-Order Xls.exe REF00019102021-Order Xls.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
REF00019102021-Order Xls.exeREF00019102021-Order Xls.exepid process 1172 REF00019102021-Order Xls.exe 1972 REF00019102021-Order Xls.exe 1972 REF00019102021-Order Xls.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
REF00019102021-Order Xls.exeREF00019102021-Order Xls.exedescription pid process Token: SeDebugPrivilege 1172 REF00019102021-Order Xls.exe Token: SeDebugPrivilege 1972 REF00019102021-Order Xls.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
REF00019102021-Order Xls.exepid process 1972 REF00019102021-Order Xls.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
REF00019102021-Order Xls.exedescription pid process target process PID 1172 wrote to memory of 1972 1172 REF00019102021-Order Xls.exe REF00019102021-Order Xls.exe PID 1172 wrote to memory of 1972 1172 REF00019102021-Order Xls.exe REF00019102021-Order Xls.exe PID 1172 wrote to memory of 1972 1172 REF00019102021-Order Xls.exe REF00019102021-Order Xls.exe PID 1172 wrote to memory of 1972 1172 REF00019102021-Order Xls.exe REF00019102021-Order Xls.exe PID 1172 wrote to memory of 1972 1172 REF00019102021-Order Xls.exe REF00019102021-Order Xls.exe PID 1172 wrote to memory of 1972 1172 REF00019102021-Order Xls.exe REF00019102021-Order Xls.exe PID 1172 wrote to memory of 1972 1172 REF00019102021-Order Xls.exe REF00019102021-Order Xls.exe PID 1172 wrote to memory of 1972 1172 REF00019102021-Order Xls.exe REF00019102021-Order Xls.exe PID 1172 wrote to memory of 1972 1172 REF00019102021-Order Xls.exe REF00019102021-Order Xls.exe -
outlook_office_path 1 IoCs
Processes:
REF00019102021-Order Xls.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REF00019102021-Order Xls.exe -
outlook_win_path 1 IoCs
Processes:
REF00019102021-Order Xls.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REF00019102021-Order Xls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\REF00019102021-Order Xls.exe"C:\Users\Admin\AppData\Local\Temp\REF00019102021-Order Xls.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\REF00019102021-Order Xls.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- 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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memory/1172-53-0x0000000000A30000-0x0000000000A31000-memory.dmpFilesize
4KB
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memory/1172-55-0x0000000075821000-0x0000000075823000-memory.dmpFilesize
8KB
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memory/1172-56-0x0000000004E20000-0x0000000004E21000-memory.dmpFilesize
4KB
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memory/1172-57-0x0000000000520000-0x000000000052E000-memory.dmpFilesize
56KB
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memory/1172-58-0x0000000004C80000-0x0000000004D00000-memory.dmpFilesize
512KB
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memory/1172-59-0x0000000004830000-0x0000000004868000-memory.dmpFilesize
224KB
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memory/1972-60-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1972-61-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1972-62-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1972-63-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1972-64-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1972-65-0x00000000004375DE-mapping.dmp
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memory/1972-66-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1972-68-0x0000000004940000-0x0000000004941000-memory.dmpFilesize
4KB
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memory/1972-69-0x0000000004941000-0x0000000004942000-memory.dmpFilesize
4KB