Managed XDR

decrypt-app.ex — malware analysis report

File info

Filename
decrypt-app.ex
File type
PE32 executable (console) Intel 80386 (stripped to external PDB), for MS Windows
File size
1.6 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
65b071a91173fb66c492791dc4e2ae2cdd46d0ff
SHA256
48f1acff5e46ebb5d26bbdef729bd826b9a440c7d37c38e7583c43410a33707b
MD5
3afe185c1f267de9cc78fa8a5c9aa696

Signatures

Execution

T1059.001 powershell_through_runspace: Executes powershell script without spawning powershell.exe process

Persistence

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key

Privilege Escalation

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
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
T1574.011 persistence_services: Modifies Services registry key
T1497 evasion_prefetch: Attempts to detect Sandbox by process run count
T1497 evasion_winlogon: Attempts to detect Sandbox by winlogon sessions
T1497.001 antivm_queries_computername: Retrieves the computer name
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
T1070 stealth_window: A process created a hidden window

Credential Access

T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_mail: Collects personal data from local email clients
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_prefetch: Attempts to detect Sandbox by process run count
T1497 evasion_winlogon: Attempts to detect Sandbox by winlogon sessions
T1497.001 antivm_queries_computername: Retrieves the computer name
T1016 system_network_configuration_discovery: System network configuration discovery detected

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Other

access_recyclebin: Manipulation with recyclebin detected