Resubmissions

16/03/2023, 08:52

230316-ksvdaacc8y 7

Analysis

  • max time kernel
    600s
  • max time network
    413s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    16/03/2023, 08:52

General

  • Target

    CISCO MAR -2023.exe

  • Size

    224KB

  • MD5

    b6404da30cc21b244a101b0a23a14709

  • SHA1

    2d5ebc54fe027cada7eea7de141349229186df72

  • SHA256

    1bfecb5ea2cf955666f415d4c6a514f7c15b07629feb99caff3a09f94c1cbeb2

  • SHA512

    a7d62064220958d16f0981efa13689333e84d0e054db97a665d0c5e8916b237e05d6476ad1f7280eb4a59be7758f2f4ba4b6fac2d0981ceeb996b08360bf415e

  • SSDEEP

    3072:X3BPXZf7nECworDBqhElSksQ9na/tK88sWR:X3znqksQRa/8vxR

Score
7/10

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CISCO MAR -2023.exe
    "C:\Users\Admin\AppData\Local\Temp\CISCO MAR -2023.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost..exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost..exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1780
      • C:\Users\Admin\Documents\suchost..exe
        "C:\Users\Admin\Documents\suchost..exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1640

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost..exe

    Filesize

    224KB

    MD5

    b6404da30cc21b244a101b0a23a14709

    SHA1

    2d5ebc54fe027cada7eea7de141349229186df72

    SHA256

    1bfecb5ea2cf955666f415d4c6a514f7c15b07629feb99caff3a09f94c1cbeb2

    SHA512

    a7d62064220958d16f0981efa13689333e84d0e054db97a665d0c5e8916b237e05d6476ad1f7280eb4a59be7758f2f4ba4b6fac2d0981ceeb996b08360bf415e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost..exe

    Filesize

    224KB

    MD5

    b6404da30cc21b244a101b0a23a14709

    SHA1

    2d5ebc54fe027cada7eea7de141349229186df72

    SHA256

    1bfecb5ea2cf955666f415d4c6a514f7c15b07629feb99caff3a09f94c1cbeb2

    SHA512

    a7d62064220958d16f0981efa13689333e84d0e054db97a665d0c5e8916b237e05d6476ad1f7280eb4a59be7758f2f4ba4b6fac2d0981ceeb996b08360bf415e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost..exe

    Filesize

    224KB

    MD5

    b6404da30cc21b244a101b0a23a14709

    SHA1

    2d5ebc54fe027cada7eea7de141349229186df72

    SHA256

    1bfecb5ea2cf955666f415d4c6a514f7c15b07629feb99caff3a09f94c1cbeb2

    SHA512

    a7d62064220958d16f0981efa13689333e84d0e054db97a665d0c5e8916b237e05d6476ad1f7280eb4a59be7758f2f4ba4b6fac2d0981ceeb996b08360bf415e

  • C:\Users\Admin\Documents\suchost..exe

    Filesize

    224KB

    MD5

    b6404da30cc21b244a101b0a23a14709

    SHA1

    2d5ebc54fe027cada7eea7de141349229186df72

    SHA256

    1bfecb5ea2cf955666f415d4c6a514f7c15b07629feb99caff3a09f94c1cbeb2

    SHA512

    a7d62064220958d16f0981efa13689333e84d0e054db97a665d0c5e8916b237e05d6476ad1f7280eb4a59be7758f2f4ba4b6fac2d0981ceeb996b08360bf415e

  • C:\Users\Admin\Documents\suchost..exe

    Filesize

    224KB

    MD5

    b6404da30cc21b244a101b0a23a14709

    SHA1

    2d5ebc54fe027cada7eea7de141349229186df72

    SHA256

    1bfecb5ea2cf955666f415d4c6a514f7c15b07629feb99caff3a09f94c1cbeb2

    SHA512

    a7d62064220958d16f0981efa13689333e84d0e054db97a665d0c5e8916b237e05d6476ad1f7280eb4a59be7758f2f4ba4b6fac2d0981ceeb996b08360bf415e

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost..exe

    Filesize

    224KB

    MD5

    b6404da30cc21b244a101b0a23a14709

    SHA1

    2d5ebc54fe027cada7eea7de141349229186df72

    SHA256

    1bfecb5ea2cf955666f415d4c6a514f7c15b07629feb99caff3a09f94c1cbeb2

    SHA512

    a7d62064220958d16f0981efa13689333e84d0e054db97a665d0c5e8916b237e05d6476ad1f7280eb4a59be7758f2f4ba4b6fac2d0981ceeb996b08360bf415e

  • \Users\Admin\Documents\suchost..exe

    Filesize

    224KB

    MD5

    b6404da30cc21b244a101b0a23a14709

    SHA1

    2d5ebc54fe027cada7eea7de141349229186df72

    SHA256

    1bfecb5ea2cf955666f415d4c6a514f7c15b07629feb99caff3a09f94c1cbeb2

    SHA512

    a7d62064220958d16f0981efa13689333e84d0e054db97a665d0c5e8916b237e05d6476ad1f7280eb4a59be7758f2f4ba4b6fac2d0981ceeb996b08360bf415e

  • memory/1588-63-0x0000000001E95000-0x0000000001EB3000-memory.dmp

    Filesize

    120KB

  • memory/1588-54-0x0000000001E90000-0x0000000001ED0000-memory.dmp

    Filesize

    256KB

  • memory/1640-77-0x0000000002110000-0x0000000002150000-memory.dmp

    Filesize

    256KB

  • memory/1640-71-0x0000000002110000-0x0000000002150000-memory.dmp

    Filesize

    256KB

  • memory/1640-69-0x0000000002110000-0x0000000002150000-memory.dmp

    Filesize

    256KB

  • memory/1640-74-0x0000000002110000-0x0000000002150000-memory.dmp

    Filesize

    256KB

  • memory/1780-66-0x00000000020B0000-0x00000000020F0000-memory.dmp

    Filesize

    256KB

  • memory/1780-72-0x00000000020B0000-0x00000000020F0000-memory.dmp

    Filesize

    256KB

  • memory/1780-73-0x00000000020B0000-0x00000000020F0000-memory.dmp

    Filesize

    256KB

  • memory/1780-70-0x00000000020B0000-0x00000000020F0000-memory.dmp

    Filesize

    256KB

  • memory/1780-75-0x00000000020B0000-0x00000000020F0000-memory.dmp

    Filesize

    256KB

  • memory/1780-76-0x00000000020B0000-0x00000000020F0000-memory.dmp

    Filesize

    256KB

  • memory/1780-64-0x00000000020B0000-0x00000000020F0000-memory.dmp

    Filesize

    256KB