phobos | fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6 | Triage

Sharing

General

Target

fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6exe_JC.exe
Size

1023KB
Sample

231005-x34e6agg26
MD5

77650bc339c9c420709ca447465f164b
SHA1

623362fa1b8b25eb5e072db8f873486392cb464d
SHA256

fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6
SHA512

180f90f46b2ffe746bdd554b55987624f0e5c18b381dc5a43a18362e4403a155d8c1753b6038c9792e1d0bf450995cba830f5b653508491763e9a1a99605d4bb
SSDEEP

24576:3JorhygMajIQREzeqwEhjL5a5iT/8oTZfMy4:5SrM8HCL5Rb8oSy4

Score

10^/10

phobos evasion persistence ransomware spyware stealer

Malware Config

Targets

- Target
  
  fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6exe_JC.exe
- Size
  
  1023KB
- MD5
  
  77650bc339c9c420709ca447465f164b
- SHA1
  
  623362fa1b8b25eb5e072db8f873486392cb464d
- SHA256
  
  fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6
- SHA512
  
  180f90f46b2ffe746bdd554b55987624f0e5c18b381dc5a43a18362e4403a155d8c1753b6038c9792e1d0bf450995cba830f5b653508491763e9a1a99605d4bb
- SSDEEP
  
  24576:3JorhygMajIQREzeqwEhjL5a5iT/8oTZfMy4:5SrM8HCL5Rb8oSy4
Score

10^/10

phobos evasion persistence ransomware spyware stealer
- Phobos
  Phobos ransomware appeared at the beginning of 2019.
  ransomware phobos
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Renames multiple (328) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Deletes backup catalog
  Uses wbadmin.exe to inhibit system recovery.
  ransomware
- Modifies Windows Firewall
  evasion
- Drops startup file
- 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
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

Persistence

Create or Modify System Process

Windows Service

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Create or Modify System Process

Windows Service

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Indicator Removal

File Deletion

Modify Registry

Credential Access

Unsecured Credentials

Credentials In Files

Discovery

Query Registry

Peripheral Device Discovery

System Information Discovery

Lateral Movement

Collection

Data from Local System

Exfiltration

Command and Control

Impact

Inhibit System Recovery

Resource Development

Reconnaissance

Tasks

static1

behavioral1

behavioral2

phobosevasionpersistenceransomwarespywarestealer