Analysis
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max time kernel
138s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
12/01/2023, 19:01
Static task
static1
Behavioral task
behavioral1
Sample
59f96b6392f723136ccad74732829f34ff4b9466.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
59f96b6392f723136ccad74732829f34ff4b9466.exe
Resource
win10v2004-20221111-en
General
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Target
59f96b6392f723136ccad74732829f34ff4b9466.exe
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Size
817KB
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MD5
525d3818a894e22a88f2fa98ed14f3a1
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SHA1
59f96b6392f723136ccad74732829f34ff4b9466
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SHA256
7466aa2d482d74a4da0d1772009319a1507da78580178d9b2560586e53f99b74
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SHA512
797ea3e75742bb4023cc52143b74eed20cbde8849391c38c4a99f7bcb98d3f6245f126d3ec5985d61185cc725a6a4d4f892e90e9bcd689f2695eb331b4ba69a2
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SSDEEP
12288:3MUgbiZU6XgScm6mTGL0r/HXYxAWO2DPpfhdCsbxlZhhu6Y+9HvDZEYV0zMpz17i:LPXgVSTGLq/XYxAWFv4uD0
Malware Config
Extracted
Protocol: smtp- Host:
mail.qualitysolutions.co.in - Port:
587 - Username:
[email protected] - Password:
9873335231
Extracted
agenttesla
Protocol: smtp- Host:
mail.qualitysolutions.co.in - Port:
587 - Username:
[email protected] - Password:
9873335231 - 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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Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation 59f96b6392f723136ccad74732829f34ff4b9466.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yqWDN = "C:\\Users\\Admin\\AppData\\Roaming\\yqWDN\\yqWDN.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3228 set thread context of 5028 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 87 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2436 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 5028 RegSvcs.exe 5028 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe Token: SeDebugPrivilege 5028 RegSvcs.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3228 wrote to memory of 2436 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 84 PID 3228 wrote to memory of 2436 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 84 PID 3228 wrote to memory of 2436 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 84 PID 3228 wrote to memory of 3404 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 86 PID 3228 wrote to memory of 3404 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 86 PID 3228 wrote to memory of 3404 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 86 PID 3228 wrote to memory of 5028 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 87 PID 3228 wrote to memory of 5028 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 87 PID 3228 wrote to memory of 5028 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 87 PID 3228 wrote to memory of 5028 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 87 PID 3228 wrote to memory of 5028 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 87 PID 3228 wrote to memory of 5028 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 87 PID 3228 wrote to memory of 5028 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 87 PID 3228 wrote to memory of 5028 3228 59f96b6392f723136ccad74732829f34ff4b9466.exe 87 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\59f96b6392f723136ccad74732829f34ff4b9466.exe"C:\Users\Admin\AppData\Local\Temp\59f96b6392f723136ccad74732829f34ff4b9466.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3228 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IFblStagVvJI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD8B1.tmp"2⤵
- Creates scheduled task(s)
PID:2436
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵PID:3404
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:5028
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD59e4750748228cb31612920ae7efd5614
SHA16a5e58cac2826f5ae2e275c8f0b8ae78bfa46337
SHA256c5200646d0720f61745dc306a9fe12b44cd60151b4627f9c123c5df93b86e422
SHA512b2eabaaaca7c0557c6e5aea1bfd0dae03cbac923c15e1a070b3abb6d52515017db9ba2ba03ed185687b03a09c3627e2a6e9b0f868b451c8775f5db3997da3763