Managed XDR

accounts.xls — malware analysis report

File info

Filename
accounts.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 936, Title: PBC, Author: Dick Tang, Last Saved By: (-), Name of Creating Application: Microsoft Excel, Last Printed: Thu Dec 23 05:28:32 2021, Create Time/Date: Wed Oct 28 06:39:21 1998, Last Saved Time/Date: Fri Apr 11 11:16:40 2025, Security: 0
File size
1.9 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
f68ee05fd276d570853ef420947f94c1e390c55b
SHA256
952c9e3d4569169421321f1e4c449bce147dc5b09a6aa3251ba3b4305936e99e
MD5
2c9c68cd24328465ce615d7b94ef4602

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 2)
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

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

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1064 office_macros: The document contains macroses (total: 2)
T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

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

Discovery

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1135 server_share_info: Retrieves information about each shared resource on a server
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
creates_doc: Creates (office) documents in the file system
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call