chimera

General

Target

BonziBuddy432 (1).exe
Size

49.9MB
Sample

241014-yyxmgsxhpp
MD5

06d87d4c89c76cb1bcb2f5a5fc4097d1
SHA1

657248f78abfa9015b77c431f2fd8797481478fd
SHA256

f1e859d99072e35f20e172d8458e3ea1baf8ba86c8c9e311a0debcd2acd5d0fc
SHA512

12bcc681544bfc0cb5f1a3c2e5e3d475efdf5abb8bf0e18cb18f529a82d551f39e16de2d3f0664c2c2cbfab2bc4702e256b958acadca53424e6d8760b6f457f9
SSDEEP

1572864:HVGKQzdb8P3XxxOtGpBXFqRDjSghMDDqRDAtzq9:HVcdeXzOoP1OjfgDOo2

Score

10^/10

Malware Config

Targets

- Target
  
  BonziBuddy432 (1).exe
- Size
  
  49.9MB
- MD5
  
  06d87d4c89c76cb1bcb2f5a5fc4097d1
- SHA1
  
  657248f78abfa9015b77c431f2fd8797481478fd
- SHA256
  
  f1e859d99072e35f20e172d8458e3ea1baf8ba86c8c9e311a0debcd2acd5d0fc
- SHA512
  
  12bcc681544bfc0cb5f1a3c2e5e3d475efdf5abb8bf0e18cb18f529a82d551f39e16de2d3f0664c2c2cbfab2bc4702e256b958acadca53424e6d8760b6f457f9
- SSDEEP
  
  1572864:HVGKQzdb8P3XxxOtGpBXFqRDjSghMDDqRDAtzq9:HVcdeXzOoP1OjfgDOo2
Score

10^/10

discovery chimera macro macro_on_action persistence ransomware spyware stealer
- Chimera
  Ransomware which infects local and network files, often distributed via Dropbox links.
  ransomware chimera
- Chimera Ransomware Loader DLL
  Drops/unpacks executable file which resembles Chimera's Loader.dll.
  ransomware
- Process spawned unexpected child process
  This typically indicates the parent process was compromised via an exploit or macro.
- Renames multiple (3368) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Boot or Logon Autostart Execution: Active Setup
  Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
  persistence
- Downloads MZ/PE file
- Office macro that triggers on suspicious action
  Office document macro which triggers in special circumstances - often malicious.
  macro macro_on_action
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Drops desktop.ini file(s)
- Legitimate hosting services abused for malware hosting/C2
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory
behavioral1 behavioral2