Managed XDR

c-users-user-appdata-roaming-dtserv32.exe (Darktrack, Ozone RAT, DarkComet) — malware analysis report

File info

Filename
c-users-user-appdata-roaming-dtserv32.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
627.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
79e4e0cd1994a53abc73572ce366cc83c650fa03
SHA256
153f60e2625e10ebdba4d67041900a8d486288ec23a0b33163e39bd4bfce2d91
MD5
b2043b34d9b08ebcc58ff2726f074ddb

Malwares

  • Darktrack
  • Ozone RAT
  • DarkComet

Signatures

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.012 injection_runpe: Injects code into another 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

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.012 injection_runpe: Injects code into another process
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.001 antisandbox_productid: Obtains Windows ProductID, probably to fingerprint a sandbox
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.002 antisandbox_foregroundwindows: Checks whether any human activity is being performed by constantly checking whether the foreground window has changed
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
T1480 system_default_lang_id_present: Checks the system language
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1070 stealth_window: A process created a hidden window

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1497.001 antisandbox_productid: Obtains Windows ProductID, probably to fingerprint a sandbox
T1518.001 antidbg_devices: Checks for devices typical for debuggers and forensic tools
T1497.002 antisandbox_foregroundwindows: Checks whether any human activity is being performed by constantly checking whether the foreground window has changed
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
rat_fynloski: Fynloski/DarkComet indicators detected
copies_self: Creates a copy of itself
no_graphical_activity: No graphic activity
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object

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