Analysis
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max time kernel
122s -
max time network
154s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
22-07-2021 12:01
Static task
static1
Behavioral task
behavioral1
Sample
2a325a8d5588a4a0f59bedc75142082a.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
2a325a8d5588a4a0f59bedc75142082a.exe
Resource
win10v20210408
General
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Target
2a325a8d5588a4a0f59bedc75142082a.exe
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Size
30KB
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MD5
2a325a8d5588a4a0f59bedc75142082a
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SHA1
d35a452b03cc3ee3a250d1c94638c371b6831af0
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SHA256
53189c032edd0ef379751c569b7dcff388fa59a66b4e3094728a431d80ef3b3e
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SHA512
1fa5513b6d996f80953e0c5e0c34f841f40a276186ea811a9cfc5909eb8f7e945794e9967f7b44f46af8da25cf850f6b969193d77672de8e2de9f6aa2aa5b354
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.bundabergtrophies.com.au - Port:
587 - Username:
[email protected] - Password:
KzDcikPPHW
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1476-69-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1476-70-0x00000000004374FE-mapping.dmp family_agenttesla behavioral1/memory/1476-71-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
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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Processes:
2a325a8d5588a4a0f59bedc75142082a.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths 2a325a8d5588a4a0f59bedc75142082a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions 2a325a8d5588a4a0f59bedc75142082a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\2a325a8d5588a4a0f59bedc75142082a.exe = "0" 2a325a8d5588a4a0f59bedc75142082a.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
2a325a8d5588a4a0f59bedc75142082a.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\xepul = "C:\\Users\\Admin\\AppData\\Roaming\\xepul\\xepul.exe" 2a325a8d5588a4a0f59bedc75142082a.exe -
Processes:
2a325a8d5588a4a0f59bedc75142082a.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 2a325a8d5588a4a0f59bedc75142082a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2a325a8d5588a4a0f59bedc75142082a.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2a325a8d5588a4a0f59bedc75142082a.exedescription pid process target process PID 1944 set thread context of 1476 1944 2a325a8d5588a4a0f59bedc75142082a.exe 2a325a8d5588a4a0f59bedc75142082a.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
powershell.exe2a325a8d5588a4a0f59bedc75142082a.exepid process 520 powershell.exe 1476 2a325a8d5588a4a0f59bedc75142082a.exe 1476 2a325a8d5588a4a0f59bedc75142082a.exe 1476 2a325a8d5588a4a0f59bedc75142082a.exe 1476 2a325a8d5588a4a0f59bedc75142082a.exe 520 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
2a325a8d5588a4a0f59bedc75142082a.exepowershell.exe2a325a8d5588a4a0f59bedc75142082a.exedescription pid process Token: SeDebugPrivilege 1944 2a325a8d5588a4a0f59bedc75142082a.exe Token: SeDebugPrivilege 520 powershell.exe Token: SeDebugPrivilege 1476 2a325a8d5588a4a0f59bedc75142082a.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
2a325a8d5588a4a0f59bedc75142082a.exepid process 1476 2a325a8d5588a4a0f59bedc75142082a.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
2a325a8d5588a4a0f59bedc75142082a.exedescription pid process target process PID 1944 wrote to memory of 520 1944 2a325a8d5588a4a0f59bedc75142082a.exe powershell.exe PID 1944 wrote to memory of 520 1944 2a325a8d5588a4a0f59bedc75142082a.exe powershell.exe PID 1944 wrote to memory of 520 1944 2a325a8d5588a4a0f59bedc75142082a.exe powershell.exe PID 1944 wrote to memory of 520 1944 2a325a8d5588a4a0f59bedc75142082a.exe powershell.exe PID 1944 wrote to memory of 1476 1944 2a325a8d5588a4a0f59bedc75142082a.exe 2a325a8d5588a4a0f59bedc75142082a.exe PID 1944 wrote to memory of 1476 1944 2a325a8d5588a4a0f59bedc75142082a.exe 2a325a8d5588a4a0f59bedc75142082a.exe PID 1944 wrote to memory of 1476 1944 2a325a8d5588a4a0f59bedc75142082a.exe 2a325a8d5588a4a0f59bedc75142082a.exe PID 1944 wrote to memory of 1476 1944 2a325a8d5588a4a0f59bedc75142082a.exe 2a325a8d5588a4a0f59bedc75142082a.exe PID 1944 wrote to memory of 1476 1944 2a325a8d5588a4a0f59bedc75142082a.exe 2a325a8d5588a4a0f59bedc75142082a.exe PID 1944 wrote to memory of 1476 1944 2a325a8d5588a4a0f59bedc75142082a.exe 2a325a8d5588a4a0f59bedc75142082a.exe PID 1944 wrote to memory of 1476 1944 2a325a8d5588a4a0f59bedc75142082a.exe 2a325a8d5588a4a0f59bedc75142082a.exe PID 1944 wrote to memory of 1476 1944 2a325a8d5588a4a0f59bedc75142082a.exe 2a325a8d5588a4a0f59bedc75142082a.exe PID 1944 wrote to memory of 1476 1944 2a325a8d5588a4a0f59bedc75142082a.exe 2a325a8d5588a4a0f59bedc75142082a.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
2a325a8d5588a4a0f59bedc75142082a.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2a325a8d5588a4a0f59bedc75142082a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2a325a8d5588a4a0f59bedc75142082a.exe"C:\Users\Admin\AppData\Local\Temp\2a325a8d5588a4a0f59bedc75142082a.exe"1⤵
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1944 -
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\2a325a8d5588a4a0f59bedc75142082a.exe" -Force2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:520 -
C:\Users\Admin\AppData\Local\Temp\2a325a8d5588a4a0f59bedc75142082a.exe"C:\Users\Admin\AppData\Local\Temp\2a325a8d5588a4a0f59bedc75142082a.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1476
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/520-82-0x0000000005780000-0x0000000005781000-memory.dmpFilesize
4KB
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memory/520-83-0x000000007EF30000-0x000000007EF31000-memory.dmpFilesize
4KB
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memory/520-107-0x0000000006310000-0x0000000006311000-memory.dmpFilesize
4KB
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memory/520-63-0x0000000000000000-mapping.dmp
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memory/520-64-0x0000000076691000-0x0000000076693000-memory.dmpFilesize
8KB
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memory/520-65-0x0000000000D20000-0x0000000000D21000-memory.dmpFilesize
4KB
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memory/520-66-0x0000000004960000-0x0000000004961000-memory.dmpFilesize
4KB
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memory/520-67-0x00000000021E0000-0x0000000002E2A000-memory.dmpFilesize
12.3MB
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memory/520-68-0x00000000024A0000-0x00000000024A1000-memory.dmpFilesize
4KB
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memory/520-106-0x0000000006300000-0x0000000006301000-memory.dmpFilesize
4KB
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memory/520-92-0x00000000055D0000-0x00000000055D1000-memory.dmpFilesize
4KB
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memory/520-91-0x00000000058F0000-0x00000000058F1000-memory.dmpFilesize
4KB
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memory/520-84-0x00000000057D0000-0x00000000057D1000-memory.dmpFilesize
4KB
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memory/520-74-0x0000000002750000-0x0000000002751000-memory.dmpFilesize
4KB
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memory/520-77-0x00000000056C0000-0x00000000056C1000-memory.dmpFilesize
4KB
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memory/1476-69-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1476-108-0x0000000004D51000-0x0000000004D52000-memory.dmpFilesize
4KB
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memory/1476-73-0x0000000004D50000-0x0000000004D51000-memory.dmpFilesize
4KB
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memory/1476-70-0x00000000004374FE-mapping.dmp
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memory/1476-71-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1944-59-0x0000000000FD0000-0x0000000000FD1000-memory.dmpFilesize
4KB
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memory/1944-61-0x0000000004C60000-0x0000000004C61000-memory.dmpFilesize
4KB
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memory/1944-62-0x0000000000C90000-0x0000000000CE0000-memory.dmpFilesize
320KB