Managed XDR

vtdl_ccdb0p95 (Dridex, Tinba) — malware analysis report

File info

Filename
vtdl_ccdb0p95
File type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
File size
1 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
c15933a916db7d9804b20caaf99e21b903860254
SHA256
7dcf7ad7241068416c8995585599b47f61224d8a715ca21f671ee5a93a6c52dd
MD5
20cc593e720ed2ee3109c89aa656c6e4

Malwares

  • Dridex
  • Tinba

Signatures

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1574 dropper_dll: Creates DLL, which is then loaded into the 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

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1574 dropper_dll: Creates DLL, which is then loaded into the 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
T1070.004 self_removal_command: Executes command to delete itself

Credential Access

T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
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

T1497.001 antivm_disk_size: Checks the amount of free disk space
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

Impact

T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
process_crashed: One of the processes has failed
has_pdb: This executable file has a PDB path
access_recyclebin: Manipulation with recyclebin detected
message_box: Displays a message
creates_in_programdata: Creates files in the ProgramData directory
writes_data: Writes big amount of data to disk

Related reports