Overview

overview

10

Static

static

3

32d1458fb5...64.exe

windows7-x64

10

32d1458fb5...64.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    32d1458fb5c0c08156568a658f30143786336a73dea1d76bef9becf4a55c0964

  • Size

    262KB

  • Sample

    231012-ahvwysda6y

  • MD5

    5d2b3f808075ab6e605f4242d9c7a398

  • SHA1

    2b0d4edf8ab7b84e7f8b5e05a18b39bf3ee5cf5b

  • SHA256

    32d1458fb5c0c08156568a658f30143786336a73dea1d76bef9becf4a55c0964

  • SHA512

    901a107dd865c14752cc61cfe9a08c5b50729a49d47b7010a03f44f5f3d51d9909c162bdd330771d9aa27f462f085fb2307543a8a28a62b46ed68ac7c037f797

  • SSDEEP

    6144:kxywx3MS8G0RaN8t/CynGqYVOlmA95LTF4/zc7ldxsOV:gLqS87RaN3yG30vLp4wyO

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      32d1458fb5c0c08156568a658f30143786336a73dea1d76bef9becf4a55c0964

    • Size

      262KB

    • MD5

      5d2b3f808075ab6e605f4242d9c7a398

    • SHA1

      2b0d4edf8ab7b84e7f8b5e05a18b39bf3ee5cf5b

    • SHA256

      32d1458fb5c0c08156568a658f30143786336a73dea1d76bef9becf4a55c0964

    • SHA512

      901a107dd865c14752cc61cfe9a08c5b50729a49d47b7010a03f44f5f3d51d9909c162bdd330771d9aa27f462f085fb2307543a8a28a62b46ed68ac7c037f797

    • SSDEEP

      6144:kxywx3MS8G0RaN8t/CynGqYVOlmA95LTF4/zc7ldxsOV:gLqS87RaN3yG30vLp4wyO

    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 (110) files with added filename extension

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

      ransomware

    • Renames multiple (56) 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 Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

4
T1490

Resource Development

Reconnaissance

Tasks