Managed XDR

keller.exe — malware analysis report

File info

Filename
keller.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
File size
241.4 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
990046693163d79c90c03cb8ab012fc089d624ff
SHA256
3580221c2c2f249d674cfb5bc46b8576e468389dc9ae1a5654f8f1bd913faaf3
MD5
4ddd1920bb156bb34bf5b70c7a52b5ad

Signatures

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

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
T1574 dropper_dll: Creates DLL, which is then loaded into the 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
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1027.002 nsis_archive: One of the packages is NSIS archive

Credential Access

T1003.001 dumps_lsass: Dumps lsass.exe process (probably, to extract credentials)

Discovery

T1057 process_interest: Enumerates processes

Other

yara_rules: Static rules
create_process_failed: Could not start the process
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_exe: Creates executable files in the file system
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
executes_dropped_exe: Executes dropped exe files