Overview

overview

10

Static

static

3

9d163fbffc...cf.exe

windows7-x64

10

9d163fbffc...cf.exe

windows10-2004-x64

10

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General

  • Target

    9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf

  • Size

    1.7MB

  • Sample

    231012-awy6jaff43

  • MD5

    a6ab201ae407fbe4a5da5f20dc38412b

  • SHA1

    b3f8caf67f36730ad87031d206db91c861980615

  • SHA256

    9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf

  • SHA512

    eb0e97119784d4f60ac5b1c499e4bdfa885243c8859d79e92e1c07a2aba3539606e5df978d8d63d7764fe898e691488a53d02fc495dc837b930cfe3d83cede2b

  • SSDEEP

    24576:fp1vJ+VbHGsD+KBrdrDeZYeGMqrK5Nt9Z64JrQTwkMZddfy6Tsqp+RjfMst:x3KpyJrQTwo6Tszgs

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf

    • Size

      1.7MB

    • MD5

      a6ab201ae407fbe4a5da5f20dc38412b

    • SHA1

      b3f8caf67f36730ad87031d206db91c861980615

    • SHA256

      9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf

    • SHA512

      eb0e97119784d4f60ac5b1c499e4bdfa885243c8859d79e92e1c07a2aba3539606e5df978d8d63d7764fe898e691488a53d02fc495dc837b930cfe3d83cede2b

    • SSDEEP

      24576:fp1vJ+VbHGsD+KBrdrDeZYeGMqrK5Nt9Z64JrQTwkMZddfy6Tsqp+RjfMst:x3KpyJrQTwo6Tszgs

    Score
    10/10
    phobosevasionpersistenceransomwarespywarestealer

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

      ransomwarephobos

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (171) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Renames multiple (346) 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.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

4
T1490

Tasks