Managed XDR

82479ba19531a5b3f108f2...6d6acc398518b802_kreuk (ALPHV) — malware analysis report

File info

Filename
82479ba19531a5b3f108f21f939190de2073395a708bb4446d6acc398518b802_kreuk
File type
PE32 executable (console) Intel 80386 (stripped to external PDB), for MS Windows
File size
3 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
4c23492ef3e8cea955f47aaf17d219064b0c114f
SHA256
21cf4975af53676a1ad4eab6f7e296652287cc95d175c3b7a5ae84b0ef04dfb0
MD5
b295d2c2f87e781e90ef852f474ce1b5

Malwares

  • ALPHV

Signatures

Execution

T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

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

Discovery

T1057 has_wmi: Executes one or several WMI requests
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1082 has_wmi: Executes one or several WMI requests
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
network_bind: Starts servers listening at None
no_graphical_activity: No graphic activity
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
pe_overlay: PE file contains overlay

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