Overview

overview

10

Static

static

PO 0856.exe

windows7_x64

9

PO 0856.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    97s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:51

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General

  • Target

    PO 0856.exe

  • Size

    826KB

  • MD5

    d67f23392b5e1640bd691a86d77f3069

  • SHA1

    4d5944a0a8ac2ae68caed78133958b8c4fdf1dbd

  • SHA256

    54c429599d77052c7db47b68ac4c028065c4cabe7645ced48300a3ad774414ed

  • SHA512

    b60d393e27f764ea7bcd43c43f67f58a9db326820382f6dc2b19660f09471bac0a9844b85030693af02101afd9ddca608dedcfff03c8ad99c4c25aa6a012c429

Score
9/10
rezer0

Malware Config

Signatures

  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

    rezer0
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO 0856.exe
    "C:\Users\Admin\AppData\Local\Temp\PO 0856.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\swGthhEL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4970.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:320
    • C:\Users\Admin\AppData\Local\Temp\PO 0856.exe
      "{path}"
      2⤵
        PID:956
      • C:\Users\Admin\AppData\Local\Temp\PO 0856.exe
        "{path}"
        2⤵
          PID:1908
        • C:\Users\Admin\AppData\Local\Temp\PO 0856.exe
          "{path}"
          2⤵
            PID:560
          • C:\Users\Admin\AppData\Local\Temp\PO 0856.exe
            "{path}"
            2⤵
              PID:1872
            • C:\Users\Admin\AppData\Local\Temp\PO 0856.exe
              "{path}"
              2⤵
                PID:880

            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\tmp4970.tmp
              Filesize

              1KB

              MD5

              71656eacd4e12e01ea4918af799dc1f8

              SHA1

              5d9e4e574f2286404702a4570b8ec37a478bb579

              SHA256

              4805168eb6b0ae26c05cb05e52eca4890436c8dd9dc69f04ff80abeb39991db4

              SHA512

              123bf3e07f5635d2fe00b804364b13c6b304aceff6241e1acd56681a53e2a5ef8c636f745019e3a116aebf0d850f00e6fa6e8e0541dbe1b7d8cfcbf604964e40

              Download Submit
            • memory/320-57-0x0000000000000000-mapping.dmp
              Download
            • memory/908-54-0x00000000003E0000-0x00000000004B4000-memory.dmp
              Filesize

              848KB

              Download
            • memory/908-55-0x00000000001F0000-0x0000000000200000-memory.dmp
              Filesize

              64KB

              Download
            • memory/908-56-0x0000000006780000-0x0000000006830000-memory.dmp
              Filesize

              704KB

              Download