Managed XDR

e90f0736ec3a1f19485aebcbecba77bb.virus (Bifrose, Xtrat) — malware analysis report

File info

Filename
e90f0736ec3a1f19485aebcbecba77bb.virus
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
720.6 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
3ba746856c2ca2eb60e1a66b5ebf81d37ebc8315
SHA256
21361e76fa3fbfc5f6ec560b895306b5aea38a9f7156b62eb8837a3e6a94d309
MD5
e90f0736ec3a1f19485aebcbecba77bb

Malwares

  • Bifrose
  • Xtrat

Signatures

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
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
T1112 creates_largekey: Saves very large data in the registry, can be used to save the configuration or body of the malware
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
T1027.002 packer_entropy: Probably contains compressed or encrypted data

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
T1518 locates_browser: Attempts to identify where browsers are installed

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Other

yara_rules: Static rules
rat_xtreme: XtremeRAT indicators detected
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
pe_overlay: PE file contains overlay

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