Analysis
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max time kernel
40s -
max time network
46s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-06-2024 10:24
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe
Resource
win7-20240611-en
General
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Target
SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe
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Size
620KB
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MD5
a9cc3ce556bed1f4f023dfb299b54d32
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SHA1
61eacf083e3a9fdb55825ecaedcac6596746d3f7
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SHA256
e6467422567d07f55c891b1c452dfb2c3c3d24ffa243799c91004cedb8a0dd0c
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SHA512
dd446826fe672b9d162f2f18f08cfcc2ffa0e8586498423e27cbbd00737d5e31b0ecc031ec6cb4d416f1547718c8bc10e615815b4525a25fafb07ead0cf4fd32
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SSDEEP
12288:+tX62p8VeLrV6/dcfRGwvjTJGGyHwMmgjjhz3vVe0r8N3j7D:uzyKE/dcfgcIzHM+hLvboNT
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.trisquarespl.com - Port:
587 - Username:
[email protected] - Password:
^uw)^EY5 - 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 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation SecuriteInfo.com.Win32.PWSX-gen.13475.26104.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.
Processes:
flow ioc 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exedescription pid Process procid_target PID 3788 set thread context of 3724 3788 SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe 86 -
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:
RegSvcs.exepowershell.exepid Process 3724 RegSvcs.exe 3724 RegSvcs.exe 2012 powershell.exe 2012 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
RegSvcs.exepowershell.exedescription pid Process Token: SeDebugPrivilege 3724 RegSvcs.exe Token: SeDebugPrivilege 2012 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exedescription pid Process procid_target PID 3788 wrote to memory of 2012 3788 SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe 84 PID 3788 wrote to memory of 2012 3788 SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe 84 PID 3788 wrote to memory of 2012 3788 SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe 84 PID 3788 wrote to memory of 3724 3788 SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe 86 PID 3788 wrote to memory of 3724 3788 SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe 86 PID 3788 wrote to memory of 3724 3788 SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe 86 PID 3788 wrote to memory of 3724 3788 SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe 86 PID 3788 wrote to memory of 3724 3788 SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe 86 PID 3788 wrote to memory of 3724 3788 SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe 86 PID 3788 wrote to memory of 3724 3788 SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe 86 PID 3788 wrote to memory of 3724 3788 SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3788 -
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\SecuriteInfo.com.Win32.PWSX-gen.13475.26104.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2012
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3724
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82