Report - rapport 2023 MZN Thoma.pdf.lnk

Generic Malware Antivirus AntiDebug AntiVM GIF Format PowerShell
ScreenShot
Created 2023.06.21 07:31 Machine s1_win7_x6402
Filename rapport 2023 MZN Thoma.pdf.lnk
Type MS Windows shortcut, Item id list present, Has Relative path, Has command line arguments, Icon numbe
AI Score Not founds Behavior Score
9.0
ZERO API file : clean
VT API (file)
md5 db1823a89b8d3dba49d2f27fb8285bc1
sha256 342a200183ac9b87959c6b10ea0ed64b93a307dd82733fe818be04ef1979455d
ssdeep 24:8A5/BHYVKVWf+/CWaXHpKwdd79ds5mlna:8c5aZ3ptdJ9hM
imphash
impfuzzy
  Network IP location

Signature (22cnts)

Level Description
watch Communicates with host for which no DNS query was performed
watch Creates a suspicious Powershell process
watch Disables proxy possibly for traffic interception
watch Modifies proxy override settings possibly for traffic interception
watch One or more non-whitelisted processes were created
watch Resumed a suspended thread in a remote process potentially indicative of process injection
watch The process powershell.exe wrote an executable file to disk
notice A process created a hidden window
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates a shortcut to an executable file
notice Creates a suspicious process
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Yara rule detected in process memory
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Command line console output was observed
info Queries for the computername
info Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (14cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Antivirus Contains references to security software binaries (download)
watch Antivirus Contains references to security software binaries (upload)
info anti_dbg Checks if being debugged memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerHiding__Active (no description) memory
info DebuggerHiding__Thread (no description) memory
info disable_dep Bypass DEP memory
info Lnk_Format_Zero LNK Format binaries (upload)
info PowerShell PowerShell script scripts
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (2cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://141.98.6.99/thomas.hta DE CMCS 141.98.6.99 clean
141.98.6.99 DE CMCS 141.98.6.99 malware

Suricata ids



Similarity measure (PE file only) - Checking for service failure