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Analysis
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max time kernel
111s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09/09/2024, 11:31
Static task
static1
Behavioral task
behavioral1
Sample
shipping doc for Invoice No. 61-FK-24.pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
shipping doc for Invoice No. 61-FK-24.pdf.exe
Resource
win10v2004-20240802-en
General
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Target
shipping doc for Invoice No. 61-FK-24.pdf.exe
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Size
679KB
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MD5
671b1537b7bc2b27d975a316d050f2ea
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SHA1
a47a0d0c3cc51375c555a4d188171fd06bc54118
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SHA256
e7adf7da5581b485f51456a91295676db483d48f4e842f7a69ff8c6d87dc8d55
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SHA512
6f34ebbf2152e307008437a55dfd4251d96c8f0928b4facf49a664dbdb3ff9d0cce16af5e6245a5135b298b1b5fd858f02b5835c65ddf5fde45149eb2441dec2
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SSDEEP
12288:LGNkMIfN8Zrd1Opw9abF+28bkbzSDF7Pd4g+4nOv27C9fHgc0xkR:4kboIF+28bkuD3nvW1gcf
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.alitextile.com - Port:
587 - Username:
[email protected] - Password:
Myname@321 - 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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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 1460 powershell.exe 2792 powershell.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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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org 5 api.ipify.org 6 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1840 set thread context of 2968 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 35 -
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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language shipping doc for Invoice No. 61-FK-24.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language shipping doc for Invoice No. 61-FK-24.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 2968 shipping doc for Invoice No. 61-FK-24.pdf.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 2892 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2968 shipping doc for Invoice No. 61-FK-24.pdf.exe 2968 shipping doc for Invoice No. 61-FK-24.pdf.exe 2792 powershell.exe 1460 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2968 shipping doc for Invoice No. 61-FK-24.pdf.exe Token: SeDebugPrivilege 2792 powershell.exe Token: SeDebugPrivilege 1460 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2968 shipping doc for Invoice No. 61-FK-24.pdf.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1840 wrote to memory of 1460 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 29 PID 1840 wrote to memory of 1460 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 29 PID 1840 wrote to memory of 1460 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 29 PID 1840 wrote to memory of 1460 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 29 PID 1840 wrote to memory of 2792 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 31 PID 1840 wrote to memory of 2792 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 31 PID 1840 wrote to memory of 2792 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 31 PID 1840 wrote to memory of 2792 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 31 PID 1840 wrote to memory of 2892 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 33 PID 1840 wrote to memory of 2892 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 33 PID 1840 wrote to memory of 2892 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 33 PID 1840 wrote to memory of 2892 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 33 PID 1840 wrote to memory of 2968 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 35 PID 1840 wrote to memory of 2968 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 35 PID 1840 wrote to memory of 2968 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 35 PID 1840 wrote to memory of 2968 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 35 PID 1840 wrote to memory of 2968 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 35 PID 1840 wrote to memory of 2968 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 35 PID 1840 wrote to memory of 2968 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 35 PID 1840 wrote to memory of 2968 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 35 PID 1840 wrote to memory of 2968 1840 shipping doc for Invoice No. 61-FK-24.pdf.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\shipping doc for Invoice No. 61-FK-24.pdf.exe"C:\Users\Admin\AppData\Local\Temp\shipping doc for Invoice No. 61-FK-24.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1840 -
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\shipping doc for Invoice No. 61-FK-24.pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1460
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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\yeYqQnTeXdLBb.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2792
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yeYqQnTeXdLBb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD53A.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2892
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C:\Users\Admin\AppData\Local\Temp\shipping doc for Invoice No. 61-FK-24.pdf.exe"C:\Users\Admin\AppData\Local\Temp\shipping doc for Invoice No. 61-FK-24.pdf.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2968
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
2Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD51890fb0ed32f7ac53d23a119b37f2118
SHA1fc9daa4350d7da4a3621402aeb62ad4d405548b6
SHA2561bee7922254d4959bccb04ed4406f46efb7f54ef7c4a37d7fc35aa68089740eb
SHA51278f68a694ccec529205a87d64dd48514f3abe5241a7a4d00dff3b6b2704c0905760294eb3d5e09008936eb56522a665729c385126bf1ed02efc68d3ecf12e555
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\79L3115UKV4L426HOYKV.temp
Filesize7KB
MD5dd5940110e1084ee6fb4cf47c2091433
SHA1aebb998de4f4c7f9c1eae04aea6eca2f581e792e
SHA2566c83bc52da2e002f3f424b4bb9027751483c072df5e49a3aab45d917b3c93ef2
SHA512a3b4210f8ea066fb578df72111cdb4c92cd041d17e9abe10486b5411b4aaab28a446d455898e32acceab8d739afb6b48427b01c2f93e40040dec380b90f9c006