Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
14/11/2024, 19:53
Static task
static1
Behavioral task
behavioral1
Sample
PO NO170300999.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
PO NO170300999.exe
Resource
win10v2004-20241007-en
General
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Target
PO NO170300999.exe
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Size
806KB
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MD5
931049bda67c204c0f97205b55370f7f
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SHA1
6c6acbd9312833b1c124bd489c664920c89c8684
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SHA256
8de72052a7f6f26cdf6b3a1850902acdd6856fe29b94871fd9eb3fceca479fa6
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SHA512
338eacd6f5410f15b04df5412f6b840df80f97db60e5429627c263dc7e5adaebc94fa6eece8eed997d90a2e3ef63a5028dda304e25d95cdf2081bc060703e80f
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SSDEEP
12288:haniCJVMFIF1zziEE8cXQDbJ/MxLz1MHxmI3pPerntaZjBkR:eiCJVnXbE8cXQfOmxmI0rnt6c
Malware Config
Signatures
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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 2768 powershell.exe 2692 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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO NO170300999.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO NO170300999.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO NO170300999.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2384 set thread context of 2608 2384 PO NO170300999.exe 37 -
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 PO NO170300999.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PO NO170300999.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.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 2548 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 2384 PO NO170300999.exe 2384 PO NO170300999.exe 2384 PO NO170300999.exe 2384 PO NO170300999.exe 2384 PO NO170300999.exe 2384 PO NO170300999.exe 2384 PO NO170300999.exe 2384 PO NO170300999.exe 2384 PO NO170300999.exe 2384 PO NO170300999.exe 2384 PO NO170300999.exe 2384 PO NO170300999.exe 2768 powershell.exe 2692 powershell.exe 2608 PO NO170300999.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2384 PO NO170300999.exe Token: SeDebugPrivilege 2768 powershell.exe Token: SeDebugPrivilege 2692 powershell.exe Token: SeDebugPrivilege 2608 PO NO170300999.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2384 wrote to memory of 2768 2384 PO NO170300999.exe 31 PID 2384 wrote to memory of 2768 2384 PO NO170300999.exe 31 PID 2384 wrote to memory of 2768 2384 PO NO170300999.exe 31 PID 2384 wrote to memory of 2768 2384 PO NO170300999.exe 31 PID 2384 wrote to memory of 2692 2384 PO NO170300999.exe 33 PID 2384 wrote to memory of 2692 2384 PO NO170300999.exe 33 PID 2384 wrote to memory of 2692 2384 PO NO170300999.exe 33 PID 2384 wrote to memory of 2692 2384 PO NO170300999.exe 33 PID 2384 wrote to memory of 2548 2384 PO NO170300999.exe 34 PID 2384 wrote to memory of 2548 2384 PO NO170300999.exe 34 PID 2384 wrote to memory of 2548 2384 PO NO170300999.exe 34 PID 2384 wrote to memory of 2548 2384 PO NO170300999.exe 34 PID 2384 wrote to memory of 2608 2384 PO NO170300999.exe 37 PID 2384 wrote to memory of 2608 2384 PO NO170300999.exe 37 PID 2384 wrote to memory of 2608 2384 PO NO170300999.exe 37 PID 2384 wrote to memory of 2608 2384 PO NO170300999.exe 37 PID 2384 wrote to memory of 2608 2384 PO NO170300999.exe 37 PID 2384 wrote to memory of 2608 2384 PO NO170300999.exe 37 PID 2384 wrote to memory of 2608 2384 PO NO170300999.exe 37 PID 2384 wrote to memory of 2608 2384 PO NO170300999.exe 37 PID 2384 wrote to memory of 2608 2384 PO NO170300999.exe 37 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO NO170300999.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO NO170300999.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO NO170300999.exe"C:\Users\Admin\AppData\Local\Temp\PO NO170300999.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2384 -
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\PO NO170300999.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2768
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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\bVOnOmgpY.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2692
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bVOnOmgpY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8324.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2548
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C:\Users\Admin\AppData\Local\Temp\PO NO170300999.exe"C:\Users\Admin\AppData\Local\Temp\PO NO170300999.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2608
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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
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD597dbc124e1180aacf7de764bb1ef9c76
SHA100d6a2c3d4dab359a6be28af531af4b2dd71a6bf
SHA2565f21a27d9c2391e27ead012733c46184193f78c7f5d3ce9b193966404461ce7f
SHA5120ece37c60cda107bee5d4bc15e8f68812826887c98f2c8dbebb4f7d4a170b83a6719e56666b575f6a0de6bb7a09fe45492db2e4232e4ab46906f07d7b3939667
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\2KZ3GMKTD9J42IM8HZVE.temp
Filesize7KB
MD57c95a85ab494b286184b403e823ccd10
SHA11745993278e3b6aa10c217ab7de0e5317cd8e603
SHA256b554b928bfac81c1659cd2d5e8001e75921212ddf214ddcd47f251d09cf32763
SHA51274ffc9b37fe31c026618b88ab4f71f925452d9889e68b80431c228ce6b1f5407e9755b4862ac629c2fe4cbe07d7d3e36e269636499a08c0bfc8a560f2c8802fa