Overview

overview

10

Static

static

3

bitdender.exe

windows7-x64

10

bitdender.exe

windows10-2004-x64

10

winbin.exe

windows7-x64

4

winbin.exe

windows10-2004-x64

5

Sharing

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General

  • Target

    71e48d50a7bdd69e37145ad1ef6cab20.bin

  • Size

    10.1MB

  • Sample

    231119-cjzmmsgd97

  • MD5

    71e48d50a7bdd69e37145ad1ef6cab20

  • SHA1

    d9cbe37743291b60668920f57544c24832736152

  • SHA256

    a1341bb371ef7a98f3185d2525471c10c598ef0a1a4634da248f8c1320da199b

  • SHA512

    b6fd19e3137f7b955f0e67bdc1181dd5db262414c21e89acc69d24081724566a3bf017b981321c05965173dbf501fc29dfeed410594ecc9f199a7287da5c9e13

  • SSDEEP

    196608:zRan/1sFBaajDpF4uK0F4DRSWYL7lg66T4Z98KzUCikzN0sSKsrG5dyX6Nofoa6R:ta/mFIbRY4A5XlgefhUCikzN0s/s0XNn

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      bitdender.exe

    • Size

      56KB

    • MD5

      ca960a5f89e3d82dc4dec752e912fdc3

    • SHA1

      04b7b4939788b1055c0909eee3bc0e96cf483127

    • SHA256

      b609555a43a2e1151f9ee7b028d0141034bfce25487ef2ec826d2af714e15ee5

    • SHA512

      9615aa809568cadc119f415cf159ccbf835fbd62241293cdef9288a42c6c57c2a416d0b68f21e160432a01895eaf406025b3bd9bb0c9ae7e93ab934008a34689

    • SSDEEP

      768:EvrNNeRBl5JFTXqwXrkgrn/9/HiDKGwRj4RcTdyH4pYT3nPKVU1EwDXEkMd:ONeRBl5PT/rx1mzwRMSTdLpJwDzM

    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 (122) files with added filename extension

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

      ransomware

    • Renames multiple (233) 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)

    behavioral1behavioral2

    • Target

      winbin.exe

    • Size

      10.4MB

    • MD5

      268aa1421775fe7f6e40ac91425f20e2

    • SHA1

      0137a4aec5c3917736cba9da6f0e7813ae6a4fd4

    • SHA256

      dbbe5b77d489f07ea45f6144dceb48762e40f371b03ded94ce5b3ae3f6b14aed

    • SHA512

      c969fe63da4b4a196af8536bc3461b89e7170b6d19ac8b9f6a4c28627c37ecc77624cdea008fe0d9a35673dffcc3e26fe4cdf78aaec7daaa298f07dea16a0094

    • SSDEEP

      196608:nKVGZbn0FBOStqOPoo+/7KpBSgQdPLiY8L0jzw7Z0yG4hTcsoSoP2jvWLSlAHOeX:nUGJ0F45zLjKKVJLionG0yG4hTcsjoyQ

    Score
    5/10

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    behavioral3behavioral4

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

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

4
T1490

Tasks