Managed XDR

df6c4dc6591aaf5f92.tmp (Bifrose) — malware analysis report

File info

Filename
df6c4dc6591aaf5f92.tmp
File type
Composite Document File V2 Document, Cannot read section info
File size
64 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
42f7b47163c50484cdcb502c9e8a934ea34d07dd
SHA256
042ff2be9a6010ed12f0b57fc7f1785f2a1ff368349cf1af0e0c976f4faad308
MD5
1deef73e813193ee82a2170438bb0d92

Malwares

  • Bifrose

Signatures

Persistence

T1547 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

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

Defense Evasion

T1055.012 injection_runpe: Injects code into another process
T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1562 dep_disable: Disables DEP
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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
T1497.001 antivm_queries_computername: Retrieves the computer name

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Other

yara_rules: Static rules
creates_in_windows: Creates files in the Windows directory
rat_bifrose: Bifrose Trojan indicators detected
copies_self: Creates a copy of itself
creates_exe: Creates executable files in the file system
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
pe_overlay: PE file contains overlay

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