Managed XDR

nnflaxnreh.exe (Dridex) — malware analysis report

File info

Filename
nnflaxnreh.exe
File type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
File size
236 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
a042f54aeafa72d4c0cd28eaf4ff0aa348ff950c
SHA256
51f9b254bad53d709b0d572788327e4e824362db6adca803bda1294a88f372dd
MD5
71b80daaa30df0bf993bc39cf3dd15be

Malwares

  • 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

Defense Evasion

T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
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

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed

Other

yara_rules: Static rules
ce_info: Dridex Configuration Data found
no_graphical_activity: No graphic activity
message_box: Displays a message
error_drawtext: An error occured while executing the file

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