Managed XDR

ekopsy.dll (Buhtrap) — malware analysis report

File info

Filename
ekopsy.dll
File type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
File size
300.5 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
74bde30161dd2e7546be449abf70d8f0bcef177f
SHA256
feccca300feffb6f90ca232b1f663ee400ad934ee45c4e4ff2f7103891c8a454
MD5
296fa233f34ea3a43bfe257160f0cd74

Malwares

  • Buhtrap

Signatures

Privilege Escalation

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_generic_scsi: Attempts to detect virtualization by SCSI Disk Identifier
T1564.001 stealth_file: Creates hidden or system files
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1497.001 antivm_generic_scsi: Attempts to detect virtualization by SCSI Disk Identifier
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Collection

T1115 checks_clipboard: Monitors clipboard data
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

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

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
suspicious_process_network: Unusual process network activity detected
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
message_box: Displays a message
error_drawtext: An error occured while executing the file
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk

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