Managed XDR

kowulan.exe (Buhtrap) — malware analysis report

File info

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

Environment

w10/x64 en

Hashes

SHA1
f25026ddb0423a2fb19b7923139d45b63d7628be
SHA256
08c90120befa96f7620b181f0e0f7e3d06b52243978cab0b21b9efc94b0eabaf
MD5
704d1449fb777a477e91d3ad97cfece1

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

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 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
T1027.002 packer_entropy: Probably contains compressed or encrypted data

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Other

yara_rules: Static rules
process_crashed: One of the processes has failed
no_graphical_activity: No graphic activity
has_pdb: This executable file has a PDB path
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay

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