Managed XDR

documentreview.exe (Bazar Loader) — malware analysis report

File info

Filename
documentreview.exe
File type
PE32+ executable (GUI) x86-64, for MS Windows
File size
487 KB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
ef7edfd887b8a9b9f48cad0eac0056ff8c395a2e
SHA256
73bb27d72c97502d1c865e8d92870cac41c68e00f00084f6cc8de6bc43275a5b
MD5
bca6f8b30c61616d423253b8821bafba

Malwares

  • Bazar Loader

Signatures

Privilege Escalation

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

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
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
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
T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

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

Other

yara_rules: Static rules
no_graphical_activity: No graphic activity
has_pdb: This executable file has a PDB path
get_policy_info: Retrieves information about a Policy object
pe_overlay: PE file contains overlay

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