General
- Target 2026-09-07_e54fca6d692bf0b0ee055e99fb161e75_mespinoza
- Size 775KB
- Sample260908-dng4tsy1et
- SHA256 b9ca1d5f453d93af9fb12b2ce1fada943ca1016d3e938fbd9e7a4f4ceeb84cca
- MD5 e54fca6d692bf0b0ee055e99fb161e75
- SHA1 3cbc0c1508b02f8fc913181864a598206982575a
- SHA512 9101961b7559cf2b970dea1664a6960aae38de97e8dbb4cf586c0f750a52bb03b2aa74224e828554818cdfa2092b4c49e8f6993023cd7733cf287f5b583e6f91
- SSDEEP 6144:FS/qs92PKfsnc91Vr97MKNRneNMToeGY9BaqAeg:cSs94hc/TcyY
- TLSH T134F4503375A91848FD0E2DF48581B234F321ACAF3E4F7A8ADC48760E99776D23C59166
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
2026-09-07_e54fca6d692bf0b0ee055e99fb161e75_mespinoza.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-09-07_e54fca6d692bf0b0ee055e99fb161e75_mespinoza.exe
Resource
win11ltsc2024-20260710-en
Malware Config
Targets
-
- Target 2026-09-07_e54fca6d692bf0b0ee055e99fb161e75_mespinoza
- Size 775KB
- SHA256 b9ca1d5f453d93af9fb12b2ce1fada943ca1016d3e938fbd9e7a4f4ceeb84cca
- MD5 e54fca6d692bf0b0ee055e99fb161e75
- SHA1 3cbc0c1508b02f8fc913181864a598206982575a
- SHA512 9101961b7559cf2b970dea1664a6960aae38de97e8dbb4cf586c0f750a52bb03b2aa74224e828554818cdfa2092b4c49e8f6993023cd7733cf287f5b583e6f91
- SSDEEP 6144:FS/qs92PKfsnc91Vr97MKNRneNMToeGY9BaqAeg:cSs94hc/TcyY
- TLSH T134F4503375A91848FD0E2DF48581B234F321ACAF3E4F7A8ADC48760E99776D23C59166
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Renames multiple (13712) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
-
Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
-
Executes dropped EXE
-
Adds Run key to start application
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1