Managed XDR

tp15_pdf.dll (Ramnit, Zeus) — malware analysis report

File info

Filename
tp15_pdf.dll
File type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
File size
700 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
3130c2d2eb71d0f11f1c96660c66382ea9017396
SHA256
6682a536cdf129aea8563dbd699456a6fb690c6a10b43945873c9a5c61066130
MD5
bc5bf86f229715e1bebcf90611d4ce94

Malwares

  • Ramnit
  • Zeus

Signatures

Persistence

T1547.004 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.004 persistence_autorun: Makes itself run automatically on Windows startup
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: Code was executed in unnamed regions
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
executes_dropped_exe: Executes dropped exe files
ramnit: Ramnit indicators detected (mutexes or files)
creates_in_windows: Creates files in the Windows directory
creates_exe: Creates executable files in the file system
no_graphical_activity: No graphic activity
access_recyclebin: Manipulation with recyclebin detected
message_box: Displays a message
error_drawtext: An error occured while executing the file

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