Overview

overview

10

Static

static

10

bc9c846acf...94.exe

windows7-x64

8

bc9c846acf...94.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230824-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230824-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-08-2023 01:00

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General

  • Target

    bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe

  • Size

    93KB

  • MD5

    017fa7a20c92152e2a5533f75f090469

  • SHA1

    7ea751d6b4f9f03e4f23603103edc4ccfdebbfdc

  • SHA256

    bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94

  • SHA512

    6d330633b96af51187c362c280e00d3a0a199bf4ff5f21dfddd591dbffafd18b9e0fb5154dffbae0c94790addc62763c872ce10c7ae93a4cdf73e1b26d303ba5

  • SSDEEP

    1536:TewOQIBlfGQFk2ZonmzaMxjEwzGi1dDsD1gS:TewMtFk2ZonmuMOi1dSC

Score
8/10
evasion

Malware Config

Signatures

  • Disables Task Manager via registry modification
    evasion
  • Modifies Windows Firewall 1 TTPs 3 IoCs
    evasion
  • Drops startup file 6 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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\bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe
    "C:\Users\Admin\AppData\Local\Temp\bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.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:1128
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe" "bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:3324
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe" "bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:1536
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94.exe"
      2⤵
      • Modifies Windows Firewall
      PID:880
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p
    1⤵
      PID:4592

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    Persistence

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Privilege Escalation

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Defense Evasion

    Credential Access

    Discovery

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Web Service

    1
    T1102

    Impact

    Resource Development

    Reconnaissance

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Explower.exe
      Filesize

      93KB

      MD5

      017fa7a20c92152e2a5533f75f090469

      SHA1

      7ea751d6b4f9f03e4f23603103edc4ccfdebbfdc

      SHA256

      bc9c846acf87982d46c27024cd876656135ecffa39bd5406beb77af3df215e94

      SHA512

      6d330633b96af51187c362c280e00d3a0a199bf4ff5f21dfddd591dbffafd18b9e0fb5154dffbae0c94790addc62763c872ce10c7ae93a4cdf73e1b26d303ba5

      Download Submit
    • memory/1128-0-0x00000000745D0000-0x0000000074B81000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1128-1-0x00000000745D0000-0x0000000074B81000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1128-2-0x0000000000CA0000-0x0000000000CB0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1128-18-0x00000000745D0000-0x0000000074B81000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1128-26-0x00000000745D0000-0x0000000074B81000-memory.dmp
      Filesize

      5.7MB

      Download