Overview

overview

10

Static

static

34c1121937...dc.exe

windows7-x64

10

34c1121937...dc.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2023 20:19

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General

  • Target

    34c1121937c35b39b654428cf3fc6b16e3e2eed03c1ccbcfc77183d1749ebadc.exe

  • Size

    69KB

  • MD5

    25a54e24e9126fba91ccb92143136e9f

  • SHA1

    27e0e9a39d77a59374b79d31e150ad50a5c622c9

  • SHA256

    34c1121937c35b39b654428cf3fc6b16e3e2eed03c1ccbcfc77183d1749ebadc

  • SHA512

    156c48c86ddb192b0a8749020890c8a5b6890002bcfedd656b2ae9ea47081a51f0509fbe6f736151de5cab348d6d8d6f871ebe283cdbe20f40cb243fba3ca9cd

  • SSDEEP

    1536:BkGB8nHbKUvryElSpi8jCZGcqDKlKnr8dM4CWYi:BFBMHRvrAjCZmKcnr89CW

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\info.hta

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail [email protected] Write this ID in the title of your message 42473F76-2250 You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 5 files for free decryption. The total size of files must be less than 10Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Signatures

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

    ransomwarephobos
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies boot configuration data using bcdedit 1 TTPs 4 IoCs
    ransomwareevasion
  • Modifies Windows Firewall 1 TTPs 2 IoCs
    evasion
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops startup file 3 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 2 IoCs
    persistence
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34c1121937c35b39b654428cf3fc6b16e3e2eed03c1ccbcfc77183d1749ebadc.exe
    "C:\Users\Admin\AppData\Local\Temp\34c1121937c35b39b654428cf3fc6b16e3e2eed03c1ccbcfc77183d1749ebadc.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\34c1121937c35b39b654428cf3fc6b16e3e2eed03c1ccbcfc77183d1749ebadc.exe
      "C:\Users\Admin\AppData\Local\Temp\34c1121937c35b39b654428cf3fc6b16e3e2eed03c1ccbcfc77183d1749ebadc.exe"
      2⤵
        PID:960
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:828
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          PID:1704
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          PID:1328
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:900
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:584
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1524
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:1656
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:904
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta"
        2⤵
        • Modifies Internet Explorer settings
        PID:1628
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta"
        2⤵
        • Modifies Internet Explorer settings
        PID:832
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\info.hta"
        2⤵
        • Modifies Internet Explorer settings
        PID:892
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1672
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:636
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1788
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:868
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:1572
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:368

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\Desktop\info.hta
      Filesize

      5KB

      MD5

      070f2f7dbb7239a7f390df214bc21876

      SHA1

      d6ae054e74f78784bd3ad2633eac28902980388e

      SHA256

      622ae6ac7e8a52010c7bda269d6a7112246cb2b9f3da1daefa3d9ce881f28320

      SHA512

      2dd63a67a233cd161645c81e57e1836fe3e0c59554443e0e4ec9b3eca219c7718be8264f11a88dc2e7aff9abe0c61b416120b760099a36679b030b48c942dbcb

      Download Submit

    • C:\info.hta
      Filesize

      5KB

      MD5

      070f2f7dbb7239a7f390df214bc21876

      SHA1

      d6ae054e74f78784bd3ad2633eac28902980388e

      SHA256

      622ae6ac7e8a52010c7bda269d6a7112246cb2b9f3da1daefa3d9ce881f28320

      SHA512

      2dd63a67a233cd161645c81e57e1836fe3e0c59554443e0e4ec9b3eca219c7718be8264f11a88dc2e7aff9abe0c61b416120b760099a36679b030b48c942dbcb

      Download Submit

    • C:\users\public\desktop\info.hta
      Filesize

      5KB

      MD5

      070f2f7dbb7239a7f390df214bc21876

      SHA1

      d6ae054e74f78784bd3ad2633eac28902980388e

      SHA256

      622ae6ac7e8a52010c7bda269d6a7112246cb2b9f3da1daefa3d9ce881f28320

      SHA512

      2dd63a67a233cd161645c81e57e1836fe3e0c59554443e0e4ec9b3eca219c7718be8264f11a88dc2e7aff9abe0c61b416120b760099a36679b030b48c942dbcb

      Download Submit

    • memory/584-57-0x0000000000000000-mapping.dmp

      Download

    • memory/636-73-0x0000000000000000-mapping.dmp

      Download

    • memory/828-58-0x0000000000000000-mapping.dmp

      Download

    • memory/832-67-0x0000000000000000-mapping.dmp

      Download

    • memory/868-75-0x0000000000000000-mapping.dmp

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    • memory/892-68-0x0000000000000000-mapping.dmp

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    • memory/900-56-0x0000000000000000-mapping.dmp

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    • memory/904-65-0x0000000000000000-mapping.dmp

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    • memory/1328-61-0x0000000000000000-mapping.dmp

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    • memory/1524-63-0x0000000000000000-mapping.dmp

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    • memory/1572-76-0x0000000000000000-mapping.dmp

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    • memory/1628-66-0x0000000000000000-mapping.dmp

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    • memory/1656-64-0x0000000000000000-mapping.dmp

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    • memory/1672-69-0x0000000000000000-mapping.dmp

      Download

    • memory/1704-60-0x000007FEFC631000-0x000007FEFC633000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1704-59-0x0000000000000000-mapping.dmp

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    • memory/1788-74-0x0000000000000000-mapping.dmp

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    • memory/1968-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

      Filesize

      8KB

      Download