Managed XDR

8a22a91c931ac80ca91cf9...9bc8595e012ba5b0_kreuk (ALPHV) — malware analysis report

File info

Filename
8a22a91c931ac80ca91cf91fef678c4bee00e3eb5ad24f209bc8595e012ba5b0_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
b98c9552828c3e64737c79d0902fa1bb9ba65e91
SHA256
cde5e8ddd1007594a56425b98d313f8916766db6a51b4a06d97b11d2efc3a0db
MD5
d4fe9243c9575922e2fad71107d51126

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

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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

T1082 has_wmi: Executes one or several WMI requests
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1057 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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