Managed XDR

c-windows-3efrlo2e.exe (Jeefo) — malware analysis report

File info

Filename
c-windows-3efrlo2e.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
740 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
cf3ffe32f31e92a4991c041defc12941b286a058
SHA256
ed957a667ca19c189b3a47d2fe77896490728f30efc9868ed2d6eab172b535c0
MD5
4c5b825d1ca83c12c80c73508e284742

Malwares

  • Jeefo

Signatures

Execution

T1569.002 persistence_service: Starts newly created service

Persistence

T1543.003 creates_service: Creates a service, that will start automatically

Privilege Escalation

T1543.003 creates_service: Creates a service, that will start automatically
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

T1036 system_filename: Created a file named as a common system file
T1036 system_procname: Created a process named as a common system process
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

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

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
creates_in_windows: Creates files in the Windows directory
jeefo_mutexes: Jeefo Virus indicators detected (mutexes)
suspicious_process: Spawns a suspicious process
no_graphical_activity: No graphic activity
message_box: Displays a message
test_check_service: Starts services
pe_overlay: PE file contains overlay

Related reports

Managed XDR