Managed XDR

tmp-cache-extracted_fi...c6dbdeb3e573ccda9a.bin (DCRat) — malware analysis report

File info

Filename
tmp-cache-extracted_files-86a7df4bc84f56963ea867c6dbdeb3e573ccda9a.bin
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
10 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
86a7df4bc84f56963ea867c6dbdeb3e573ccda9a
SHA256
e4177b6756378589f4dc7cf8f36752a44782895604154c2441127c3cdb781251
MD5
55b10fef26a82f6b12e57d7444e1d639

Malwares

  • DCRat

Signatures

Execution

T1059.005 obfuscated_vbe: Detected obfuscated VBE script
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059.003 suspicious_process: Spawns a suspicious process
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1059.005 obfuscated_vbs: Detected obfuscated VBS

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 obfuscated_vbe: Detected obfuscated VBE script
T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1027 obfuscated_vbs: Detected obfuscated VBS
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Discovery

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1082 has_wmi: Executes one or several WMI requests
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Other

yara_rules: Static rules
locker_taskmgr: Disables Windows Task Manager
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
static_low_entropy: Very low entropy of a file

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