Analysis
- max time kernel
300s - max time network
204s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
03/06/2026, 04:30
Static task
static1
Behavioral task
behavioral1
Sample
PO 4500643866.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
PO 4500643866.exe
Resource
win11-20260513-en
General
- Target PO 4500643866.exe
- Size 942KB
- Sample260603-e41fsaht6s
- SHA256 968ceb613b536b5d661bb7414989a594b699d23b66a954757eda04dbbb248de2
- MD5 19d821ab907ac6a658b7b6c71ebf03ce
- SHA1 c2ff306b4ace3fe2edd8c548b97974cc5b3faa0e
- SHA512 3213f7028b04d059585b5b37f7bbe268efda1eeb532aaaead3027958795f71648aa9e740eb8557b50593f9d58aceea7ae8b07089dacb29a045db853f70c77d86
- SSDEEP 24576:IGQ93d3P04DH44gN2MspsljkYBvVTJVdl2XynzhhJ:IGQ93drggMs2jkYhx7/DnF
- TLSH T13125DFC037B95709E9F96B349975DDB046BA3C29B431F69E1AD93B4F38796018C08B23
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.dycorp.ph
-
Port
587
-
Username
-
Password
MAIL_jenny021825
Extracted
-
masslogger
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
2025-11-07
-
host_password
MAIL_jenny021825
-
host_port
587
- host_receiver
- host_sender
-
host_server
mail.dycorp.ph
-
ssl_slate
True
Signatures
- Family: MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2904 powershell.exe 1740 powershell.exe 3888 powershell.exe - Executes dropped EXE 2 IoCs
pid Process 936 sOCNIQp.exe 2660 sOCNIQp.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.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 4500643866.exe Key opened \REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 sOCNIQp.exe Key opened \REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 sOCNIQp.exe Key opened \REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 sOCNIQp.exe Key opened \REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 4500643866.exe Key opened \REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 4500643866.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Windows\CurrentVersion\Run\sOCNIQp = "\"C:\\Windows\\system32\\WindowsPowerShell\\v1.0\\powershell.exe\" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File \"C:\\Users\\Admin\\AppData\\Local\\Temp\\vm4zizuovk2.ps1\"" PO 4500643866.exe - Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 checkip.dyndns.org 1 reallyfreegeoip.org 3 reallyfreegeoip.org 6 reallyfreegeoip.org - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 404 set thread context of 4476 404 PO 4500643866.exe 82 PID 936 set thread context of 2660 936 sOCNIQp.exe 88 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 6 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 PO 4500643866.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PO 4500643866.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sOCNIQp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sOCNIQp.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2904 powershell.exe 2904 powershell.exe 3888 powershell.exe 3888 powershell.exe 4476 PO 4500643866.exe 1740 powershell.exe 1740 powershell.exe 2660 sOCNIQp.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2904 powershell.exe Token: SeDebugPrivilege 4476 PO 4500643866.exe Token: SeDebugPrivilege 3888 powershell.exe Token: SeDebugPrivilege 2660 sOCNIQp.exe Token: SeDebugPrivilege 1740 powershell.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 404 wrote to memory of 2904 404 PO 4500643866.exe 80 PID 404 wrote to memory of 4476 404 PO 4500643866.exe 82 PID 404 wrote to memory of 4476 404 PO 4500643866.exe 82 PID 404 wrote to memory of 4476 404 PO 4500643866.exe 82 PID 404 wrote to memory of 4476 404 PO 4500643866.exe 82 PID 404 wrote to memory of 4476 404 PO 4500643866.exe 82 PID 3888 wrote to memory of 936 3888 powershell.exe 85 PID 936 wrote to memory of 1740 936 sOCNIQp.exe 86 PID 936 wrote to memory of 2660 936 sOCNIQp.exe 88 PID 936 wrote to memory of 2660 936 sOCNIQp.exe 88 PID 936 wrote to memory of 2660 936 sOCNIQp.exe 88 PID 936 wrote to memory of 2660 936 sOCNIQp.exe 88 PID 936 wrote to memory of 2660 936 sOCNIQp.exe 88 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 sOCNIQp.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 sOCNIQp.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO 4500643866.exe"C:\Users\Admin\AppData\Local\Temp\PO 4500643866.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:404 -
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 4500643866.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2904
-
-
C:\Users\Admin\AppData\Local\Temp\PO 4500643866.exe"C:\Users\Admin\AppData\Local\Temp\PO 4500643866.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4476
-
-
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\vm4zizuovk2.ps1"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Users\Admin\AppData\Roaming\sOCNIQp.exe"C:\Users\Admin\AppData\Roaming\sOCNIQp.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:936 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sOCNIQp.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1740
-
-
C:\Users\Admin\AppData\Roaming\sOCNIQp.exe"C:\Users\Admin\AppData\Roaming\sOCNIQp.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2660
-
-
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
- MD5 d0c46cad6c0778401e21910bd6b56b70
- SHA1 7be418951ea96326aca445b8dfe449b2bfa0dca6
- SHA512 057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
- TLSH T113415C303161A5D84D435B1205286ED5E3EF478AAFAC8F5CB569231DCD2A44BD7121F3
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\sOCNIQp.exe.log
- Size 1KB
- SHA256 4c17576f64dea465c45a50573ee41771f7be9962ab2d07f961af4df5589bdcce
- MD5 7e1ed0055c3eaa0bbc4a29ec1ef15a6a
- SHA1 765b954c1adbb6a6ecc4fe912fdaa6d0fba0ae7d
- SHA512 de7c784c37d18c43820908add88f08ab4864c0ef3f9d158cc2c9d1bab120613cb093dd4bfc5d7ed0c289414956cfe0b213c386f8e6b5753847dec915566297c8
- TLSH T102216B303231B5D84D422F5308586AC566FF0745BAB8DF6CB659235EDD2A047AF222F3
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 bea86a493cdd464c659bdd01ebd6b324a2257de05d82c1256f17b3a8f2dcb00f
- MD5 86acf1ae099fee9bc5be6cfa5d0face5
- SHA1 1a9dbddb1fb1e7da3f379da218cde02c12d1a2d6
- SHA512 d556abaabde12c8bd0d939a305a14119b768059ab4c517a0175a2514d8be84c3938dc87d86d1048cbcd1d6977bc118f6624ba6abae5ff23adf035a4ee421b97f
- SSDEEP 384:KL3HhsSS1qQsgYBRgYMCMHnnNzjs2xtgPNxh2L9I9JsX0iFFX:UySSbsgUy7Nzj7xtg1xheI9JsX0Y
- TLSH T1A492C5AE711F22C3C89553B8E107050FE8F2DE8D431912C9B72E9F7B89AC95E817D558
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fmi1u4md.ut0.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\vm4zizuovk2.ps1
- Size 1KB
- SHA256 ad05d8d9e937400fa2f1e0dde3e695c38f6250f4ce189dbb5e85e2746c6d8284
- MD5 eb6b64fd093a8372097569dcced89d60
- SHA1 8dc4742d0969d4bb1400dfcc0309ee7dee79d0f1
- SHA512 4608dcc73cc11d9115dbcaaf63e2b3e5fda93ad557dd46a5c74a7746475bf40ffbe1879cc8dd8aa65dd3e21a8625305748f81978dfa4a0f99cc7f09a5b9d122e
- TLSH T15E21EF8B9E884BC6406403F00A0371CD715E61CF2B7F008089ECB8ADB32BE67356ACE4
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\sOCNIQp.exe
- Size 942KB
- SHA256 968ceb613b536b5d661bb7414989a594b699d23b66a954757eda04dbbb248de2
- MD5 19d821ab907ac6a658b7b6c71ebf03ce
- SHA1 c2ff306b4ace3fe2edd8c548b97974cc5b3faa0e
- SHA512 3213f7028b04d059585b5b37f7bbe268efda1eeb532aaaead3027958795f71648aa9e740eb8557b50593f9d58aceea7ae8b07089dacb29a045db853f70c77d86
- SSDEEP 24576:IGQ93d3P04DH44gN2MspsljkYBvVTJVdl2XynzhhJ:IGQ93drggMs2jkYhx7/DnF
- TLSH T13125DFC037B95709E9F96B349975DDB046BA3C29B431F69E1AD93B4F38796018C08B23
- MD5 SHA1 SHA512 SSDEEP TLSH