Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
18-06-2024 13:19
Static task
static1
Behavioral task
behavioral1
Sample
PO#0094321.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
PO#0094321.exe
Resource
win10v2004-20240226-en
General
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Target
PO#0094321.exe
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Size
689KB
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MD5
e938208917aa519c849d75e33c77214f
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SHA1
ab4a3013de343543309fd80e593ae1e66d4da166
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SHA256
75ae08a3551577bab675fa1b9263e6eb6173be749864b0b073ed535cf57597b9
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SHA512
599562228352a9138f2f9b7131f415739ce75668d8067abd14d8c5edad6329cc716fc848b678d418e99a69491a949d8d571b990e84855bfbfca8f2c27d3e5258
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SSDEEP
12288:t2iNvFIsPAdbMybkIrlZlI/5+cYH2ViL+x8LEvHCqQwQqPbuFz1ycHshxk:t1DIKabOIrlZlu+cViyx8L0H5KFoqg
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
qqvQB2@@@@@ - 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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
MSBuild.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows\CurrentVersion\Run\mpTrle = "C:\\Users\\Admin\\AppData\\Roaming\\mpTrle\\mpTrle.exe" MSBuild.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 api.ipify.org 3 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO#0094321.exedescription pid process target process PID 2220 set thread context of 2680 2220 PO#0094321.exe MSBuild.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
PO#0094321.exeMSBuild.exepowershell.exepid process 2220 PO#0094321.exe 2220 PO#0094321.exe 2680 MSBuild.exe 2680 MSBuild.exe 2272 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
PO#0094321.exeMSBuild.exepowershell.exedescription pid process Token: SeDebugPrivilege 2220 PO#0094321.exe Token: SeDebugPrivilege 2680 MSBuild.exe Token: SeDebugPrivilege 2272 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
PO#0094321.exedescription pid process target process PID 2220 wrote to memory of 2272 2220 PO#0094321.exe powershell.exe PID 2220 wrote to memory of 2272 2220 PO#0094321.exe powershell.exe PID 2220 wrote to memory of 2272 2220 PO#0094321.exe powershell.exe PID 2220 wrote to memory of 2272 2220 PO#0094321.exe powershell.exe PID 2220 wrote to memory of 2632 2220 PO#0094321.exe schtasks.exe PID 2220 wrote to memory of 2632 2220 PO#0094321.exe schtasks.exe PID 2220 wrote to memory of 2632 2220 PO#0094321.exe schtasks.exe PID 2220 wrote to memory of 2632 2220 PO#0094321.exe schtasks.exe PID 2220 wrote to memory of 2680 2220 PO#0094321.exe MSBuild.exe PID 2220 wrote to memory of 2680 2220 PO#0094321.exe MSBuild.exe PID 2220 wrote to memory of 2680 2220 PO#0094321.exe MSBuild.exe PID 2220 wrote to memory of 2680 2220 PO#0094321.exe MSBuild.exe PID 2220 wrote to memory of 2680 2220 PO#0094321.exe MSBuild.exe PID 2220 wrote to memory of 2680 2220 PO#0094321.exe MSBuild.exe PID 2220 wrote to memory of 2680 2220 PO#0094321.exe MSBuild.exe PID 2220 wrote to memory of 2680 2220 PO#0094321.exe MSBuild.exe PID 2220 wrote to memory of 2680 2220 PO#0094321.exe MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO#0094321.exe"C:\Users\Admin\AppData\Local\Temp\PO#0094321.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2220 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\iTdPrWZP.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2272
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iTdPrWZP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4386.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
PID:2632
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2680
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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
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5301fde1b05b47939412a0e0dcd93fe86
SHA1acbcc83b8685b70cf4f5ce122f1a69eb2b20c1be
SHA2562ea08542e604e0d33096ccfd77f497657ab35f26b4270c00e426915c1e47a944
SHA51274aff05401bc67dd17fa3a5d52ff2d062d07099c6508acd2375a77c7a8ade15d649692b6ea3c267f2b12cc6435b63828c861040378d11a89a131b2df58988a4c