phobos | 9215550ce3b164972413a329ab697012e909d543e8ac05d9901095016dd3fc6c | Triage

Sharing

General

Target

9215550ce3b164972413a329ab697012e909d543e8ac05d9901095016dd3fc6c
Size

399KB
Sample

231017-j2e5aaca87
MD5

fe2d1879880466e24e76d8d0963feb93
SHA1

18ebb65842ccd3a1d1eeb597f2017267d47daaf9
SHA256

9215550ce3b164972413a329ab697012e909d543e8ac05d9901095016dd3fc6c
SHA512

98a670f572c668c1beca27049e836c3e6e1a3a41b09fab27f6e7e7e13f335d33049de71c21eed768efd26a080732b5572b9481ec6f8be21f0764e2979b3c60e3
SSDEEP

6144:YVtrvQVm+214icCgPMmcCs+XhmOi/h/dD2YYWs6+ClKflgjBMf:Y/QVQ1D/Nmfs+XhZodDWWsJClkCj

Score

10^/10

phobos evasion persistence ransomware spyware stealer

Malware Config

Targets

- Target
  
  9215550ce3b164972413a329ab697012e909d543e8ac05d9901095016dd3fc6c
- Size
  
  399KB
- MD5
  
  fe2d1879880466e24e76d8d0963feb93
- SHA1
  
  18ebb65842ccd3a1d1eeb597f2017267d47daaf9
- SHA256
  
  9215550ce3b164972413a329ab697012e909d543e8ac05d9901095016dd3fc6c
- SHA512
  
  98a670f572c668c1beca27049e836c3e6e1a3a41b09fab27f6e7e7e13f335d33049de71c21eed768efd26a080732b5572b9481ec6f8be21f0764e2979b3c60e3
- SSDEEP
  
  6144:YVtrvQVm+214icCgPMmcCs+XhmOi/h/dD2YYWs6+ClKflgjBMf:Y/QVQ1D/Nmfs+XhZodDWWsJClkCj
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 (441) 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

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

phobosevasionpersistenceransomwarespywarestealer