phobos | 9f40b69060a52731107baec84a0c0f8a1bfc1a62e8471b9cd69509aade9cb7f1 | Triage

Sharing

General

Target

9f40b69060a52731107baec84a0c0f8a1bfc1a62e8471b9cd69509aade9cb7f1_JC.exe
Size

295KB
Sample

231012-pdb1lsbf59
MD5

ff230f8ca501e06feedd202b40879e2b
SHA1

6ffb1e4af21e5413b07d0b4951f2dfaaba6b26b0
SHA256

9f40b69060a52731107baec84a0c0f8a1bfc1a62e8471b9cd69509aade9cb7f1
SHA512

308edf14261f3763fe3bb65cef4b88473b91d02b032441d91cc87a9a49d7b20df381bae28eae7ded49cfca529bfe11da40d2f4ac2fa9c6495e6527604ca2d800
SSDEEP

6144:ugyOoVGyCNHIbER9bbDHyzJxE5zPYS5ycCE+WQnaTzQNeqR0R:ugyr3CNHIbeym3FCEnYeq

Score

10^/10

phobos evasion persistence ransomware spyware stealer

Malware Config

Targets

- Target
  
  9f40b69060a52731107baec84a0c0f8a1bfc1a62e8471b9cd69509aade9cb7f1_JC.exe
- Size
  
  295KB
- MD5
  
  ff230f8ca501e06feedd202b40879e2b
- SHA1
  
  6ffb1e4af21e5413b07d0b4951f2dfaaba6b26b0
- SHA256
  
  9f40b69060a52731107baec84a0c0f8a1bfc1a62e8471b9cd69509aade9cb7f1
- SHA512
  
  308edf14261f3763fe3bb65cef4b88473b91d02b032441d91cc87a9a49d7b20df381bae28eae7ded49cfca529bfe11da40d2f4ac2fa9c6495e6527604ca2d800
- SSDEEP
  
  6144:ugyOoVGyCNHIbER9bbDHyzJxE5zPYS5ycCE+WQnaTzQNeqR0R:ugyr3CNHIbeym3FCEnYeq
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 (436) 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 Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Create or Modify System Process

Windows Service

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Create or Modify System Process

Windows Service

Defense Evasion

Indicator Removal

File Deletion

Modify Registry

Credential Access

Unsecured Credentials

Credentials In Files

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

Inhibit System Recovery

Tasks

static1

behavioral1

behavioral2

phobosevasionpersistenceransomwarespywarestealer