Overview

overview

10

Static

static

3

payload.exe

windows7-x64

10

payload.exe

windows10-2004-x64

10

Resubmissions

21-02-2025 03:49

250221-edf98asnbq 10

21-02-2025 02:16

250221-cp8shazpdv 10

Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    21-02-2025 03:54

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General

  • Target

    payload.exe

  • Size

    92KB

  • MD5

    e7290701c6f837d655e00f5df6ca4b40

  • SHA1

    1b2ed5c4871d08ebc8a62495fb5c8dd4c897e2d1

  • SHA256

    7ecb2207b8e9e3e95700c1a0e8616995a07aecc3437d53705ba9dc6bf7ca18e0

  • SHA512

    5c007fe1be37226178ecb98f2a461b84cfbd7dcb39b1e8ddb6db87258ad6140a73049235d0520ec3218cc9674ac365b8f04761968189213b0402befe595650fa

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AYhAnjumqSah8RHpmxQE71lLNKs71v+Jj:Qw+asqN5aW/hLmhq6h8RHoeEx+

Score
10/10
dharmacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Signatures

  • Dharma

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

    ransomwaredharma
  • Dharma family
    dharma
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (318) files with added filename extension

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

    ransomware
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • Drops startup file 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Interacts with shadow copies 3 TTPs 2 IoCs

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

    ransomware
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 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\payload.exe
    "C:\Users\Admin\AppData\Local\Temp\payload.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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2680
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2784
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2844
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2584
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1512
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1432
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3024
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:1760
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:2492
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3064

      Network

      MITRE ATT&CK Enterprise v15

      Reconnaissance

      Resource Development

      Initial Access

      Execution

      Windows Management Instrumentation

      1
      T1047

      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

      Direct Volume Access

      1
      T1006

      Indicator Removal

      2
      T1070

      File Deletion

      2
      T1070.004

      Modify Registry

      2
      T1112

      Credential Access

      Credentials from Password Stores

      2
      T1555

      Credentials from Web Browsers

      1
      T1555.003

      Windows Credential Manager

      1
      T1555.004

      Unsecured Credentials

      1
      T1552

      Credentials In Files

      1
      T1552.001

      Discovery

      Browser Information Discovery

      1
      T1217

      System Information Discovery

      1
      T1082

      System Location Discovery

      1
      T1614

      System Language Discovery

      1
      T1614.001

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Command and Control

      Exfiltration

      Impact

      Inhibit System Recovery

      2
      T1490

      Replay Monitor

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\osetup.dll.id-278B1FF1.[[email protected]].SCRT
        Filesize

        6.3MB

        MD5

        d7d697c272e411e88fa89e010cf4a61b

        SHA1

        419bbce9a814f219cd78514b31668b441d40e9f1

        SHA256

        ea50dd4249f94a63d6969ec4644869a407245429121beb7309d9f4d67216b7fa

        SHA512

        508148309edce6821e7cb715eb7f1aecc3f6eb06204d988cde4e63da6775a26bb9204dcf667067cb3121fe3876375b40d7106051d7293e1a700777d9d32f6804

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      • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
        Filesize

        1KB

        MD5

        b3273c7c52130766f92edfe36ba8a907

        SHA1

        46e1ff253b635ffa70dc6b3f9ff93791c4b35a3a

        SHA256

        90b57b6899dfe8e0c1d1876c1e8c3a89b648db49999876e81b03543d0cb5d107

        SHA512

        4f24608f5c453609b34613e75cabc1198085bc7bfce33288deb9d4f577ce029e75d25252da5ac16cbad39d92b3be16f1340e9955b0e0a00a084cc2361d66aaef

        Download Submit