Managed XDR

vtdl_jkb4_wz3 (ZLoader) — malware analysis report

File info

Filename
vtdl_jkb4_wz3
File type
MS-DOS executable, MZ for MS-DOS
File size
290 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
22a365cf1c2328ddcd9e285f0184572d3406f236
SHA256
2f60ee3f313601e9af1ebbe804418faaef64f7490726bb711752b25d610c9f4a
MD5
ce46fa1207c46c976691aa851571db4d

Malwares

  • ZLoader

Signatures

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1574 dropper_dll: Creates DLL, which is then loaded into the process
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: Code was executed in unnamed regions
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1027.001 static_overlay_padding: Overlay contents padding
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed

Other

yara_rules: Static rules
no_graphical_activity: No graphic activity
message_box: Displays a message
pe_overlay: PE file contains overlay

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