Overview

overview

10

Static

static

10

067f997e6f...40.exe

windows7-x64

10

0c0c9a19db...c1.exe

windows7-x64

10

1a8f35d0f2...b9.exe

windows7-x64

2354403f00...3b.exe

windows7-x64

240ac12f9c...0b.exe

windows7-x64

10

276727bfac...36.exe

windows7-x64

10

280a75ca5c...8e.exe

windows7-x64

2e8af1ad4b...51.exe

windows7-x64

10

32c51906c1...ec.exe

windows7-x64

3e84def5ee...96.exe

windows7-x64

403b8f1ce9...40.exe

windows7-x64

4731758b5f...25.exe

windows7-x64

9

4c21b335ba...49.exe

windows7-x64

10

4c99ac9f69...35.exe

windows7-x64

4fbbd67a32...a7.exe

windows7-x64

10

622e2834e5...95.exe

windows7-x64

10

6734e7474c...fd.exe

windows7-x64

67a00565a4...5d.exe

windows7-x64

6e228df5e4...62.exe

windows7-x64

7b93299c45...03.exe

windows7-x64

7c2a9bae3b...c1.exe

windows7-x64

10

7d9c97a133...b5.exe

windows7-x64

10

83b294975e...74.exe

windows7-x64

9b0cfabed9...8e.exe

windows7-x64

10

aa63528bf7...cd.exe

windows7-x64

b54d6dc708...7d.exe

windows7-x64

10

b6b2c1f4bb...00.exe

windows7-x64

10

ba43b2eb48...fb.exe

windows7-x64

cc43fc18d6...e8.exe

windows7-x64

10

d50b23e12c...af.exe

windows7-x64

10

ebb17d81ff...0f.exe

windows7-x64

ec09cfa4a7...da.exe

windows7-x64

10

Resubmissions

16-03-2024 17:17

240316-vtswysfd2y 10

16-03-2024 15:31

240316-syg9xafg39 10

15-03-2024 08:15

240315-j5rmgsbg5z 10

Analysis

  • max time kernel
    160s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15-03-2024 08:15

Sharing

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Report Analysis Logs

General

  • Target

    b6b2c1f4bbe4259e0279a0c3db98a69db12ab6ae0b549085c714f1497f3c8300.exe

  • Size

    92KB

  • MD5

    be47139183c40fceb264c6946627b93f

  • SHA1

    06f645d6afc2f909dbdf61c0982dcd74126bc5f5

  • SHA256

    b6b2c1f4bbe4259e0279a0c3db98a69db12ab6ae0b549085c714f1497f3c8300

  • SHA512

    eebd19694a2ac660c89ad2b323c7b871deaa3099065c8298d5135b3ce1bb56d751cb049b55099ffe78c54eb2a00561970dfdd184dde950534433b26c47696a73

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AeAI3cCVuogqtNp6XNUS7fvUHkd:Qw+asqN5aW/hLdIseKqtneN7X0M

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Signatures

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

    ransomwaredharma
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (279) files with added filename extension

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

    ransomware
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 41 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\b6b2c1f4bbe4259e0279a0c3db98a69db12ab6ae0b549085c714f1497f3c8300.exe
    "C:\Users\Admin\AppData\Local\Temp\b6b2c1f4bbe4259e0279a0c3db98a69db12ab6ae0b549085c714f1497f3c8300.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2440
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2484
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1036

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Indicator Removal

    2
    T1070

    File Deletion

    2
    T1070.004

    Modify Registry

    1
    T1112

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Exfiltration

    Command and Control

    Impact

    Inhibit System Recovery

    2
    T1490

    Resource Development

    Reconnaissance

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPlusWW.msi.id-D2D0A7F7.[becky.cely2@aol.com].arrow
      Filesize

      7.4MB

      MD5

      bf27fbaa57e738fa28e37c1f7b8c6bbe

      SHA1

      bc7d12003d8ca1f7be97421f2caeb3b1ac8e9c3a

      SHA256

      d922fde3f8b844634ef54ab8a38c5494daf90ed06372d6073d5f05f0228405e3

      SHA512

      8f322628a72123b8fcec9d4853a24f69611e1e1f7766544d64a5b7e2cc4484fd293ab73b8a75d8bfc26308ca1053720ef414bcdc9ac3adc04f3bb5389ce51029

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