Managed XDR

invoice-no_-73-2025-43...awb-no_-dac8210175.eml (Neshta) — malware analysis report

File info

Filename
invoice-no_-73-2025-4323-750-po_-87149-d_4__hawb-no_-dac8210175.eml
File type
HTML document, UTF-8 Unicode text, with very long lines, with CRLF line terminators
File size
763.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
f4ddfcc000c7b0e196dbbf51dad6ff244d1bec19
SHA256
5944bef61e098eadd7b1ddb53fd65b8abc09fa20be786137c639a2460519bbd0
MD5
11a5150cc119e9f84381845015565ea2

Malwares

  • Neshta

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1036 system_filename: Created a file named as a common system file
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1070 stealth_window: A process created a hidden window

Credential Access

T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_mail: Collects personal data from local email clients
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1518 locates_browser: Attempts to identify where browsers are installed

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Impact

T1486 modifies_files2: Cryptolocker indicators detected (100 or more files are modified)

Other

yara_rules: Static rules
steganographic_png: Possible malicious steganographic PNG
creates_exe: Creates executable files in the file system
creates_in_windows: Creates files in the Windows directory
create_process_failed: Could not start the process
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
access_recyclebin: Manipulation with recyclebin detected
get_policy_info: Retrieves information about a Policy object
neshta_mutexes: Neshta is detected: mutex
dotnet_suspicious_module_name: Dotnet program has suspicious module name

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