Managed XDR

avconfig.exe (Dridex) — malware analysis report

File info

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

Environment

win7/x86 en

Hashes

SHA1
a3e929ac8880568731557e73f883f10745ce47be
SHA256
ba7bfe34675acaf3f7a8957bb484b18a8cfe390a54500deff9c5f28a04a05de8
MD5
e3eb7029f508b85c5e71bf535fcdc309

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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
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
T1497.001 antivm_queries_computername: Retrieves the computer name

Credential Access

T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1518 recon_programs: Collects information about installed programs
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1032 internet_security_options: Sets Internet connections options that are not secure
T1071 internet_security_options: Sets Internet connections options that are not secure
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Exfiltration

T1022 encrypts_pc_info: Collects and encrypts information about the computer (possibly for exfiltration)

Other

yara_rules: Static rules
ce_info: Dridex Configuration Data found
dridex_apis: Dridex banking Trojan detected
static_pe_anomaly: The PE file structure contains anomalies
suspicious_process_network: Unusual process network activity detected
dead_host: Connects to IP addresses that do not respond to requests
create_rpc_bindings: Creates RPC connection
message_box: Displays a message
error_drawtext: An error occured while executing the file
get_policy_info: Retrieves information about a Policy object
pe_overlay: PE file contains overlay

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