Overview

overview

10

Static

static

10

02db3ec764...ce.exe

windows7-x64

09f27e0189...2e.exe

windows7-x64

5

0abe62de95...d2.exe

windows7-x64

7

13ad5c6c04...20.exe

windows7-x64

181d5a2aa3...54.exe

windows7-x64

7

19bdaadf42...ed.exe

windows7-x64

1

1f1cc17473...5e.exe

windows7-x64

8

1f4e927f6e...a4.exe

windows7-x64

222d06b236...66.exe

windows7-x64

8

23b5ce252f...5b.exe

windows7-x64

10

24ebe7609d...a9.exe

windows7-x64

6

25fcedbb8b...78.exe

windows7-x64

26f2bf1fc3...fe.exe

windows7-x64

32a22a65aa...2f.exe

windows7-x64

35fdad147c...8f.exe

windows7-x64

1

36bfd9f40c...07.exe

windows7-x64

1

39a6618795...45.exe

windows7-x64

1

3c8ac670d8...98.exe

windows7-x64

1

401beec1e5...c3.exe

windows7-x64

3

46c17836fd...b2.exe

windows7-x64

54edb6518a...9a.exe

windows7-x64

7

56ec95785f...a4.exe

windows7-x64

1

5c959580ad...bd.dll

windows7-x64

675e7e38d9...a8.exe

windows7-x64

9

6b4f6a820d...96.exe

windows7-x64

1

721ccbb780...29.exe

windows7-x64

3

75a9ade196...1d.exe

windows7-x64

10

7a2aa7c097...bd.exe

windows7-x64

1

87bcc495ec...65.exe

windows7-x64

8d11fa1067...54.exe

windows7-x64

7

97d846563e...3b.exe

windows7-x64

1

9e4e60ee2a...c6.exe

windows7-x64

3

Analysis

  • max time kernel
    8s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-03-2024 16:53

Sharing

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Report Analysis Logs

General

  • Target

    75a9ade19696be512a894b659c4bebd174a868f404da5479f4fd96494e04c71d.exe

  • Size

    306KB

  • MD5

    1eac69691e05297182ea6642746d53f6

  • SHA1

    749f19b262849158df6d29f26043e1a845da102e

  • SHA256

    75a9ade19696be512a894b659c4bebd174a868f404da5479f4fd96494e04c71d

  • SHA512

    8ac6625fa10b3d2126a6498af2790a52bb626fef74b4abf05ce869f0e3b2d41fa78915b469529c67531937093e6385634985e792f4c04edac5f0b69a489d5c39

  • SSDEEP

    3072:J86Kas04uVswV5Him+xfleiJfz/4B7zspXGwtI57T+YG4tGSGbwySvB5KpzeLrqK:ChatLSeoQ7Rwu57C0bNyKgpGR

Score
10/10
dharmapersistenceransomware

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 (54) files with added filename extension

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

    ransomware
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 4 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 12 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\75a9ade19696be512a894b659c4bebd174a868f404da5479f4fd96494e04c71d.exe
    "C:\Users\Admin\AppData\Local\Temp\75a9ade19696be512a894b659c4bebd174a868f404da5479f4fd96494e04c71d.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:1736
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2140
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2964
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2276
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1752

    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

    Discovery

    Lateral Movement

    Collection

    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\ProPsWW.cab.id-2E8F1C0B.[admin@fentex.net].money
      Filesize

      7.1MB

      MD5

      2276786a975f3ac40712e9b7643f799c

      SHA1

      f611ed75a7c615886516ffcd91e3cf677b37ca61

      SHA256

      abb2d7c3835695cf8ca977d018b503ed141754fad15718f0a70748816a6cc569

      SHA512

      5a1ca0ac29599ac10a7ae01d9ae91ebfe71a32e478d5d452f6a1f0f8b5be92243d319708e2f19af637d0359cbdc32b65886e60aa3ba9b10b117bb41c59fb6ed3

      Download Submit
    • memory/1736-1-0x00000000036D0000-0x00000000037D0000-memory.dmp
      Filesize

      1024KB

      Download
    • memory/1736-2-0x0000000000220000-0x0000000000239000-memory.dmp
      Filesize

      100KB

      Download
    • memory/1736-59-0x0000000000400000-0x00000000035A1000-memory.dmp
      Filesize

      49.6MB

      Download