Managed XDR

putty.doc (Emotet) — malware analysis report

File info

Filename
putty.doc
File type
Microsoft Word 2007+
File size
2.6 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
7997ede4372bb38e6fbccece3d546281d04cdc31
SHA256
a7052386db6d3ba3144d32b6965a0708343e1f85224b407fc40d3da2cf245d51
MD5
a84205c3cc08d5a7525e261e5b5a45da

Malwares

  • Emotet

Signatures

Execution

T1072 detect_putty: Traces typical for Putty are detected in the system
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

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

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

T1083 checks_recent_files: Attempt to check recently opened files through registry

Lateral Movement

T1072 detect_putty: Traces typical for Putty are detected in the system

Other

yara_rules: Static rules
error_drawtext: An error occured while executing the file
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

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