Overview

overview

10

Static

static

10

b598b0ecf0...f9.exe

windows7_x64

10

b598b0ecf0...f9.exe

windows10_x64

8

Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    28-12-2021 23:22

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General

  • Target

    b598b0ecf0848c10ca61aa23c93ed5f9.exe

  • Size

    91KB

  • MD5

    b598b0ecf0848c10ca61aa23c93ed5f9

  • SHA1

    3dd842fb3ab58046de7f4d4c2f0d28b4404a1c57

  • SHA256

    6000cb4765d6219aeea0210a1ecec6af293e3ee6e330f560e30c043987f5aeb7

  • SHA512

    9aec32b1c79788eee9bf6fd20122603dab131e0c3d5e209e1502583d65a44e012765158ee3f25a07d44b92cc9872dd0af2d92c0dedd058e587f530f47fa0493d

Score
8/10
evasion

Malware Config

Signatures

  • Modifies Windows Firewall 1 TTPs
    evasion
  • Drops startup file 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b598b0ecf0848c10ca61aa23c93ed5f9.exe
    "C:\Users\Admin\AppData\Local\Temp\b598b0ecf0848c10ca61aa23c93ed5f9.exe"
    1⤵
    • Drops startup file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3900
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\b598b0ecf0848c10ca61aa23c93ed5f9.exe" "b598b0ecf0848c10ca61aa23c93ed5f9.exe" ENABLE
      2⤵
        PID:1796
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\b598b0ecf0848c10ca61aa23c93ed5f9.exe"
        2⤵
          PID:3176
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\b598b0ecf0848c10ca61aa23c93ed5f9.exe" "b598b0ecf0848c10ca61aa23c93ed5f9.exe" ENABLE
          2⤵
            PID:4020

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Initial Access

        Execution

        Persistence

        Modify Existing Service

        1
        T1031

        Privilege Escalation

        Defense Evasion

        Credential Access

        Discovery

        Lateral Movement

        Collection

        Exfiltration

        Command and Control

        Impact

        Replay Monitor

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        Downloads

        • memory/1796-116-0x0000000000000000-mapping.dmp
          Download
        • memory/3176-117-0x0000000000000000-mapping.dmp
          Download
        • memory/3900-115-0x0000000001190000-0x0000000001191000-memory.dmp
          Filesize

          4KB

          Download
        • memory/4020-118-0x0000000000000000-mapping.dmp
          Download