Analysis

  • max time kernel
    244s
  • max time network
    336s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 04:23

General

  • Target

    1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510.exe

  • Size

    79KB

  • MD5

    cda0c33697c8b3affc278a4a5d437933

  • SHA1

    4c50d2047ff9625f4ef39329336f8794bcf2be70

  • SHA256

    1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510

  • SHA512

    83bf23b5e2fffadc2aae29bce4ffbf5719618d72c68fd8b8c37bf51fbcf293878894dfb9eb369e474768e171c72f248c1c98ee095b5e33fdab17615a9937b7eb

  • SSDEEP

    1536:HEZ1KuodTWDaGUYPLjTewFCBt678sp1NK9e:SoBWDHUYqwFCBg7dp1Nl

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510.exe
    "C:\Users\Admin\AppData\Local\Temp\1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:468
    • C:\Users\Admin\AppData\Roaming\update.exe
      "C:\Users\Admin\AppData\Roaming\update.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:684
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\update.exe" "update.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:108

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\update.exe
    Filesize

    79KB

    MD5

    cda0c33697c8b3affc278a4a5d437933

    SHA1

    4c50d2047ff9625f4ef39329336f8794bcf2be70

    SHA256

    1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510

    SHA512

    83bf23b5e2fffadc2aae29bce4ffbf5719618d72c68fd8b8c37bf51fbcf293878894dfb9eb369e474768e171c72f248c1c98ee095b5e33fdab17615a9937b7eb

  • C:\Users\Admin\AppData\Roaming\update.exe
    Filesize

    79KB

    MD5

    cda0c33697c8b3affc278a4a5d437933

    SHA1

    4c50d2047ff9625f4ef39329336f8794bcf2be70

    SHA256

    1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510

    SHA512

    83bf23b5e2fffadc2aae29bce4ffbf5719618d72c68fd8b8c37bf51fbcf293878894dfb9eb369e474768e171c72f248c1c98ee095b5e33fdab17615a9937b7eb

  • \Users\Admin\AppData\Roaming\update.exe
    Filesize

    79KB

    MD5

    cda0c33697c8b3affc278a4a5d437933

    SHA1

    4c50d2047ff9625f4ef39329336f8794bcf2be70

    SHA256

    1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510

    SHA512

    83bf23b5e2fffadc2aae29bce4ffbf5719618d72c68fd8b8c37bf51fbcf293878894dfb9eb369e474768e171c72f248c1c98ee095b5e33fdab17615a9937b7eb

  • \Users\Admin\AppData\Roaming\update.exe
    Filesize

    79KB

    MD5

    cda0c33697c8b3affc278a4a5d437933

    SHA1

    4c50d2047ff9625f4ef39329336f8794bcf2be70

    SHA256

    1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510

    SHA512

    83bf23b5e2fffadc2aae29bce4ffbf5719618d72c68fd8b8c37bf51fbcf293878894dfb9eb369e474768e171c72f248c1c98ee095b5e33fdab17615a9937b7eb

  • \Users\Admin\AppData\Roaming\update.exe
    Filesize

    79KB

    MD5

    cda0c33697c8b3affc278a4a5d437933

    SHA1

    4c50d2047ff9625f4ef39329336f8794bcf2be70

    SHA256

    1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510

    SHA512

    83bf23b5e2fffadc2aae29bce4ffbf5719618d72c68fd8b8c37bf51fbcf293878894dfb9eb369e474768e171c72f248c1c98ee095b5e33fdab17615a9937b7eb

  • \Users\Admin\AppData\Roaming\update.exe
    Filesize

    79KB

    MD5

    cda0c33697c8b3affc278a4a5d437933

    SHA1

    4c50d2047ff9625f4ef39329336f8794bcf2be70

    SHA256

    1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510

    SHA512

    83bf23b5e2fffadc2aae29bce4ffbf5719618d72c68fd8b8c37bf51fbcf293878894dfb9eb369e474768e171c72f248c1c98ee095b5e33fdab17615a9937b7eb

  • memory/108-65-0x0000000000000000-mapping.dmp
  • memory/468-61-0x00000000747D0000-0x0000000074D7B000-memory.dmp
    Filesize

    5.7MB

  • memory/468-54-0x0000000076391000-0x0000000076393000-memory.dmp
    Filesize

    8KB

  • memory/468-55-0x00000000747D0000-0x0000000074D7B000-memory.dmp
    Filesize

    5.7MB

  • memory/684-57-0x0000000000000000-mapping.dmp
  • memory/684-67-0x0000000074220000-0x00000000747CB000-memory.dmp
    Filesize

    5.7MB

  • memory/684-68-0x0000000074220000-0x00000000747CB000-memory.dmp
    Filesize

    5.7MB