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Analysis
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max time kernel
120s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08/10/2024, 07:02
Static task
static1
Behavioral task
behavioral1
Sample
CotizacinP13000996pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
CotizacinP13000996pdf.exe
Resource
win10v2004-20241007-en
General
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Target
CotizacinP13000996pdf.exe
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Size
705KB
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MD5
cd3a6f4e87632d933a99502e32a34b73
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SHA1
0033645d2b94cf4e56c8ea6eb8508e3c2ee77b11
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SHA256
b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca
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SHA512
5bb5961f2c0a22ac96ddbf6865ca73d308da2a9d0d04b4265debeed062ff56e7cff9cee8bf428f027f0849f27d01d84fa9b0e0b6902e8b594ceac2b7da73dc0b
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SSDEEP
12288:uyU5mU+8o1XTsMGQ8rbHJwVKlwIuyrxLr45MF1R43MtK6jO7i1DIYop:vUx4TXGtHFlwIvN05MF1Tj4i1DMp
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
w#chNV#1
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
w#chNV#1 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2456 powershell.exe 5008 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation CotizacinP13000996pdf.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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ZUHFqcY = "C:\\Users\\Admin\\AppData\\Roaming\\ZUHFqcY\\ZUHFqcY.exe" CotizacinP13000996pdf.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 7 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5064 set thread context of 4844 5064 CotizacinP13000996pdf.exe 91 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CotizacinP13000996pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CotizacinP13000996pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 320 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 5064 CotizacinP13000996pdf.exe 2456 powershell.exe 5008 powershell.exe 5064 CotizacinP13000996pdf.exe 2456 powershell.exe 5008 powershell.exe 4844 CotizacinP13000996pdf.exe 4844 CotizacinP13000996pdf.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5064 CotizacinP13000996pdf.exe Token: SeDebugPrivilege 5008 powershell.exe Token: SeDebugPrivilege 2456 powershell.exe Token: SeDebugPrivilege 4844 CotizacinP13000996pdf.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 5064 wrote to memory of 2456 5064 CotizacinP13000996pdf.exe 85 PID 5064 wrote to memory of 2456 5064 CotizacinP13000996pdf.exe 85 PID 5064 wrote to memory of 2456 5064 CotizacinP13000996pdf.exe 85 PID 5064 wrote to memory of 5008 5064 CotizacinP13000996pdf.exe 87 PID 5064 wrote to memory of 5008 5064 CotizacinP13000996pdf.exe 87 PID 5064 wrote to memory of 5008 5064 CotizacinP13000996pdf.exe 87 PID 5064 wrote to memory of 320 5064 CotizacinP13000996pdf.exe 89 PID 5064 wrote to memory of 320 5064 CotizacinP13000996pdf.exe 89 PID 5064 wrote to memory of 320 5064 CotizacinP13000996pdf.exe 89 PID 5064 wrote to memory of 4844 5064 CotizacinP13000996pdf.exe 91 PID 5064 wrote to memory of 4844 5064 CotizacinP13000996pdf.exe 91 PID 5064 wrote to memory of 4844 5064 CotizacinP13000996pdf.exe 91 PID 5064 wrote to memory of 4844 5064 CotizacinP13000996pdf.exe 91 PID 5064 wrote to memory of 4844 5064 CotizacinP13000996pdf.exe 91 PID 5064 wrote to memory of 4844 5064 CotizacinP13000996pdf.exe 91 PID 5064 wrote to memory of 4844 5064 CotizacinP13000996pdf.exe 91 PID 5064 wrote to memory of 4844 5064 CotizacinP13000996pdf.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\CotizacinP13000996pdf.exe"C:\Users\Admin\AppData\Local\Temp\CotizacinP13000996pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5064 -
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\CotizacinP13000996pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2456
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jHJQWf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5008
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jHJQWf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD30F.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:320
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C:\Users\Admin\AppData\Local\Temp\CotizacinP13000996pdf.exe"C:\Users\Admin\AppData\Local\Temp\CotizacinP13000996pdf.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4844
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5599822bf9cc1c28a440063cebb796685
SHA1a5717686edf11d2688d98a58c12bc060f9445590
SHA2565d4a8692c7eb7b4e064b5a050fe8f3e112a0dbc5b1ae35bcbf2da4cef1ce46bb
SHA5129a3ba6ef01da00f540b7c28fcef0f3c1d6e45bbf1f6eba8e90b7c32aac9a97d0ded985d988859921ad1d2f7ed5f74e01d6bfcdfbb5e9f4fd2304e5dab70b90e2