Managed XDR

flashutil.exe — malware analysis report

File info

Filename
flashutil.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
17.4 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
1ed87a166178b94eaf999360a0302cc19e818a99
SHA256
5de5e006ce0338b25019048d904dcff1a26e0773b2f21f439feba5466ed01d81
MD5
e43ddf3f65dbd6bcf829751d2bb2566a

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

T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
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

Other

yara_rules: Static rules
require_administrator: Requests administrator privileges
has_pdb: This executable file has a PDB path
error_drawtext: An error occured while executing the file
origin_langid: Unconventional language of the executable file
pe_overlay: PE file contains overlay
open_winlogon_process: Trying to open winlogon process