Managed XDR

sfxcab.exe — malware analysis report

File info

Filename
sfxcab.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
2.5 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
9e0da0a3b751494069b5753773839f3a4703b9df
SHA256
8a5be8a72e54a2aacc261fd4b10865a4c498a4bed2038fff4e0197f23e684fe3
MD5
0c627a3ed0d438a05988e5106299dabf

Signatures

Persistence

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

Privilege Escalation

T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1057 process_interest: Enumerates processes
T1497.001 antivm_queries_computername: Retrieves the computer name
T1082 fingerprint_to_file: Collects data about system and user and writes it to a text file

Other

yara_rules: Static rules
static_pe_anomaly: The PE file structure contains anomalies
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
creates_in_windows: Creates files in the Windows directory
no_graphical_activity: No graphic activity
has_pdb: This executable file has a PDB path
message_box: Displays a message
checktokenmembership: Checks user token with CheckTokenMembership call
open_winlogon_process: Trying to open winlogon process