Managed XDR

2018-03-28-0833-19-l7z...-re-ucsd-keck-load.msg (Emotet) — malware analysis report

File info

Filename
2018-03-28-0833-19-l7z2-wahid.b-full-xe3-re-ucsd-keck-load.msg
File type
CDFV2 Microsoft Outlook Message
File size
236 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
c70164bab533d0c405fe9a7a3b45525093a1c975
SHA256
771029c92ab433478b97404e02b1343c7fd103ecb09ddbc4322ad149de044385
MD5
a2dc7939bd754da4a35a4ce15ce2ddc2

Malwares

  • Emotet

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1203 office_exploit_creates_cmd: The document exhibits suspicious behaviour (creates a cmd.exe process)
T1059 powershell_cmd_longcommandline: Suspiciously long commandline
T1059.001 suspicious_process: Spawns a suspicious process
T1059.003 suspicious_cmd: Executes cmd.exe with a suspicious command line
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro
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

T1027 office_macros_hex_strings: Lines in hex found in document macro
T1027 suspicious_cmd: Executes cmd.exe with a suspicious command line
T1070 stealth_window: A process created a hidden window
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro
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

Command and Control

T1568.002 dga_domains: Connects to DGA domains

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
office_summary: The document contains suspicious metadata
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

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