phobos | 7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8 | Triage

Sharing

General

Target

7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8
Size

549KB
Sample

231012-jawyqadh7z
MD5

40a2a330dece024db63f275748eb3d7a
SHA1

97508bbbff47aa06a381ff80428b8578d4daafb5
SHA256

7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8
SHA512

dcec48482463a960d47ea93b655dfec3ca88561fab3648b5ab8a8e7253a59d282c7cd4392daec9d3c95ebe9fb5265961705433c2374f6ffe2348123e586ed0a4
SSDEEP

12288:yVthvdMSOXfbbOPFErVy0MRRp1o6tD5B:k3FMFXfXOPmRy0Wp1Ft

Score

10^/10

phobos evasion persistence ransomware spyware stealer

Malware Config

Targets

- Target
  
  7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8
- Size
  
  549KB
- MD5
  
  40a2a330dece024db63f275748eb3d7a
- SHA1
  
  97508bbbff47aa06a381ff80428b8578d4daafb5
- SHA256
  
  7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8
- SHA512
  
  dcec48482463a960d47ea93b655dfec3ca88561fab3648b5ab8a8e7253a59d282c7cd4392daec9d3c95ebe9fb5265961705433c2374f6ffe2348123e586ed0a4
- SSDEEP
  
  12288:yVthvdMSOXfbbOPFErVy0MRRp1o6tD5B:k3FMFXfXOPmRy0Wp1Ft
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 (90) 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