Managed XDR

vbe6.dll (Tinba, Dridex) — malware analysis report

File info

Filename
vbe6.dll
File type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
File size
2.9 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
7d0babab01f3f00f9703996227e7d717ee339d95
SHA256
b9fc3c699ef4684dd0e80596e8de4a7841b4229051b1a2edbff59e1ca92639b6
MD5
a9dbf40c7ede1bbcc624aec3a8979f97

Malwares

  • Tinba
  • Dridex

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
T1055 injection_failed: The attempt to inject into a process has failed

Defense Evasion

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1562 dep_disable: Disables DEP
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
T1055 injection_failed: The attempt to inject into a process has failed

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1518 locates_browser: Attempts to identify where browsers are installed

Impact

T1486 modifies_files2: Cryptolocker indicators detected (100 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
no_graphical_activity: No graphic activity
has_pdb: This executable file has a PDB path
access_recyclebin: Manipulation with recyclebin detected
test_check_service: Starts services
writes_data: Writes big amount of data to disk

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