General
- Target sample
- Size 258KB
- Sample260218-peccrsbz3b
- SHA256 8bc7805708fbea7266907799e49f4c5b518366a3755e261c0d46178ec7eaafdc
- MD5 50bfc4bb18a33c92edea70561a17e5e8
- SHA1 69244d555406359675a53ba6611b196a7d5954b6
- SHA512 30a820761aab3e78b0ad71290bb9d2b2b1fe2a4fa6967c79930399506ba098fcc0a08c5f6ebdb62f17a48befb7b62071e593b3958b523cb6ea8846ef61b3c6d6
- SSDEEP 1536:nNlboFTDngBgGMI7Y7z0Dch0NaIO6eZ4pioVIB5/SAIrUYhIDv1NWUGoUH1mJhnk:BbY7znV2I2QN87lxBMRU2dcQa1ID6JeC
- TLSH T12B446C726201743BA423DDA0A2BF6F0E3C35E21BCD1A46F8A9D1E570DFE6DB6141925C
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
sample.html
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
sample.html
Resource
win11-20260130-en
Malware Config
Targets
-
- Target sample
- Size 258KB
- SHA256 8bc7805708fbea7266907799e49f4c5b518366a3755e261c0d46178ec7eaafdc
- MD5 50bfc4bb18a33c92edea70561a17e5e8
- SHA1 69244d555406359675a53ba6611b196a7d5954b6
- SHA512 30a820761aab3e78b0ad71290bb9d2b2b1fe2a4fa6967c79930399506ba098fcc0a08c5f6ebdb62f17a48befb7b62071e593b3958b523cb6ea8846ef61b3c6d6
- SSDEEP 1536:nNlboFTDngBgGMI7Y7z0Dch0NaIO6eZ4pioVIB5/SAIrUYhIDv1NWUGoUH1mJhnk:BbY7znV2I2QN87lxBMRU2dcQa1ID6JeC
- TLSH T12B446C726201743BA423DDA0A2BF6F0E3C35E21BCD1A46F8A9D1E570DFE6DB6141925C
- MD5 SHA1 SHA512 SSDEEP TLSH
Chimera
Ransomware which infects local and network files, often distributed via Dropbox links.
Chimera Ransomware Loader DLL
Drops/unpacks executable file which resembles Chimera's Loader.dll.
Chimera family
Renames multiple (3480) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
Drops file in Drivers directory
Sets service image path in registry
Executes dropped EXE
Loads dropped DLL
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
Drops desktop.ini file(s)
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
4Subvert Trust Controls
2Install Root Certificate
1SIP and Trust Provider Hijacking
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1