Managed XDR

freeeim.exe (Gh0st) — malware analysis report

File info

Filename
freeeim.exe
File type
PE32 executable (DLL) (console) Intel 80386, for MS Windows
File size
899 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
d3b8935e8d834caf264294d855ff6424cc3fb710
SHA256
e9982b08c1d76d8480eab3e9526d5bc4f6f009a8948a962944de0e655236ae89
MD5
a12a7361e4d6f5e537f71afc8a314a40

Malwares

  • Gh0st

Signatures

Execution

T1569.002 persistence_service: Starts newly created service

Persistence

T1543.003 creates_service: Creates a service, that will start automatically
T1543.003 add_service_to_group: Adds created service to a group
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1543.003 creates_service: Creates a service, that will start automatically
T1543.003 add_service_to_group: Adds created service to a group
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

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Impact

T1489 service_control_stop: Stops services via ControlService

Other

yara_rules: Static rules
creates_in_windows: Creates files in the Windows directory
dns_without_resolve: DNS query without a response
message_box: Displays a message
changes_ext_type: File extension changed from executable to non-executable or vice versa
test_check_service: Starts services

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