General
-
Target
dyv.png
-
Size
1.8MB
-
Sample
241106-d6jqdatjhv
-
MD5
11b7bbb67f673539b5a2c0f2962e3a80
-
SHA1
7049f78608ddf8fcfedbf24724bcaf92794866f3
-
SHA256
ec21bc5f665662e4492b99aaae389f5a132619ef73631118b6e2d3a3a231e275
-
SHA512
c21d38a50fd8e4bec8027c6bd103d81b354afd2c1e1fdc581d016a40eaf9ffa879d50a39361dd36a8bf0197685161173b154c7902e8e861bb835bbbd79ba0b87
-
SSDEEP
49152:oJkPBnd7Ez7fqZxqjbfb66iezYy/0eSOYseXW58n5:oJEEz7QxqjbOnezYy/ZVYXW58n5
Static task
static1
Behavioral task
behavioral1
Sample
dyv.png
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
dyv.png
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\Users\Admin\Downloads\@[email protected]
wannacry
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Targets
-
-
Target
dyv.png
-
Size
1.8MB
-
MD5
11b7bbb67f673539b5a2c0f2962e3a80
-
SHA1
7049f78608ddf8fcfedbf24724bcaf92794866f3
-
SHA256
ec21bc5f665662e4492b99aaae389f5a132619ef73631118b6e2d3a3a231e275
-
SHA512
c21d38a50fd8e4bec8027c6bd103d81b354afd2c1e1fdc581d016a40eaf9ffa879d50a39361dd36a8bf0197685161173b154c7902e8e861bb835bbbd79ba0b87
-
SSDEEP
49152:oJkPBnd7Ez7fqZxqjbfb66iezYy/0eSOYseXW58n5:oJEEz7QxqjbOnezYy/ZVYXW58n5
-
BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
-
Badrabbit family
-
InfinityLock Ransomware
Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.
-
Infinitylock family
-
Wannacry family
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Blocklisted process makes network request
-
Downloads MZ/PE file
-
Drops file in Drivers directory
-
A potential corporate email address has been identified in the URL: 1=@K
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Drops startup file
-
Executes dropped EXE
-
Loads dropped DLL
-
Modifies file permissions
-
Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
-
Adds Run key to start application
-
Checks for any installed AV software in registry
-
File and Directory Permissions Modification: Windows File and Directory Permissions Modification
-
Legitimate hosting services abused for malware hosting/C2
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Sets desktop wallpaper using registry
-
MITRE ATT&CK Enterprise v15
Execution
Scheduled Task/Job
1Scheduled Task
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify Tools
1Indicator Removal
1File Deletion
1Modify Registry
5Pre-OS Boot
1Bootkit
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1