Overview

overview

10

Static

static

10

PurchaseOr...co.exe

windows7_x64

3

PurchaseOr...co.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    45s
  • max time network
    108s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:23

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General

  • Target

    PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

  • Size

    438KB

  • MD5

    f704711808d29d9002400b0279deeaf7

  • SHA1

    0bf65433af532985688197cae9aef3f34a36275f

  • SHA256

    3d0df194232db838734552fb3dcad7b175c8f19963a766768d6fa158c50521f3

  • SHA512

    2ce7dc3d477d7c9189648c8b3bdd041effcac720534b24c7431916cd8222e90b4eed6019cda300d2ec82325a73c9130a68da106ade58e8e7d833eb37dd89d4b6

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
    "C:\Users\Admin\AppData\Local\Temp\PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WTxkFEIOFYPJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7014.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:784
    • C:\Users\Admin\AppData\Local\Temp\PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
      "{path}"
      2⤵
        PID:1876
      • C:\Users\Admin\AppData\Local\Temp\PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
        "{path}"
        2⤵
          PID:1520
        • C:\Users\Admin\AppData\Local\Temp\PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
          "{path}"
          2⤵
            PID:1440
          • C:\Users\Admin\AppData\Local\Temp\PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
            "{path}"
            2⤵
              PID:592
            • C:\Users\Admin\AppData\Local\Temp\PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
              "{path}"
              2⤵
                PID:1704

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Initial Access

            Execution

            Scheduled Task

            1
            T1053

            Persistence

            Scheduled Task

            1
            T1053

            Privilege Escalation

            Scheduled Task

            1
            T1053

            Defense Evasion

            Credential Access

            Discovery

            System Information Discovery

            1
            T1082

            Lateral Movement

            Collection

            Exfiltration

            Command and Control

            Impact

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\tmp7014.tmp
              Filesize

              1KB

              MD5

              33b76a55318af924a35321cab7091a27

              SHA1

              7be69bd3a3102681764caa67eac80039b2ae3347

              SHA256

              a1c3efe4fbababb40c77a20ad82e2c75c706a15e689e6f8e4b3fe245b5314226

              SHA512

              737b1d3c883eaa1baa09656574b7a78c52d7d10567fbbcf4d6acc48c398d1f7a942521d5d0812aa89070711727180d475d75d2b29949c15fc1db1b9be9520816

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            • memory/784-57-0x0000000000000000-mapping.dmp
              Download
            • memory/1624-54-0x0000000075741000-0x0000000075743000-memory.dmp
              Filesize

              8KB

              Download
            • memory/1624-55-0x0000000074C00000-0x00000000751AB000-memory.dmp
              Filesize

              5.7MB

              Download
            • memory/1624-56-0x0000000001D89000-0x0000000001D9A000-memory.dmp
              Filesize

              68KB

              Download