Overview

overview

10

Static

static

10

67d53f087b...2d.exe

windows7-x64

8

67d53f087b...2d.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    134s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    06-07-2024 22:46

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General

  • Target

    67d53f087b54148e866b6bfc1108e51e46ab82fc1ecaa82212c666ce26c2472d.exe

  • Size

    93KB

  • MD5

    54818a1a77471d6b2edd5ca5708247e3

  • SHA1

    c2db96c79e4e117caa6e7db3dfc767f2f9c9e90f

  • SHA256

    67d53f087b54148e866b6bfc1108e51e46ab82fc1ecaa82212c666ce26c2472d

  • SHA512

    75bb0460c96e5f2983e9344864b06696054f8f0fdde5d3f4d2758bea6004c3c8e151c8d013a3a6ec5220d205f9f75b3dace903b18157953445e18cf256faae9b

  • SSDEEP

    768:FY3XKBD9O/pBcxYsbae6GIXb9pDX2b98PL0OXLeuXxrjEtCdnl2pi1Rz4Rk3+sGy:UKzOx6baIa9RPj00ljEwzGi1dD6D8gS

Score
8/10
evasionpersistenceprivilege_escalation

Malware Config

Signatures

  • Disables Task Manager via registry modification
    evasion
  • Modifies Windows Firewall 2 TTPs 6 IoCs
    evasion
  • Deletes itself 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 11 IoCs
  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 18 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\67d53f087b54148e866b6bfc1108e51e46ab82fc1ecaa82212c666ce26c2472d.exe
    "C:\Users\Admin\AppData\Local\Temp\67d53f087b54148e866b6bfc1108e51e46ab82fc1ecaa82212c666ce26c2472d.exe"
    1⤵
    • Loads dropped DLL
    • Drops autorun.inf file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1512
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\67d53f087b54148e866b6bfc1108e51e46ab82fc1ecaa82212c666ce26c2472d.exe" "67d53f087b54148e866b6bfc1108e51e46ab82fc1ecaa82212c666ce26c2472d.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:2052
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\67d53f087b54148e866b6bfc1108e51e46ab82fc1ecaa82212c666ce26c2472d.exe"
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:2636
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\67d53f087b54148e866b6bfc1108e51e46ab82fc1ecaa82212c666ce26c2472d.exe" "67d53f087b54148e866b6bfc1108e51e46ab82fc1ecaa82212c666ce26c2472d.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:2448
    • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:2644
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:2672
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:2548
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn StUpdate /tr C:\Users\Admin\AppData\Local\Temp/StUpdate.exe
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2584
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {C134B50F-E66B-46CE-BFB5-4A098AE6FB09} S-1-5-21-3294248377-1418901787-4083263181-1000:FMEDFXFE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
      C:\Users\Admin\AppData\Local\Temp/StUpdate.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1496
    • C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
      C:\Users\Admin\AppData\Local\Temp/StUpdate.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:904
    • C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
      C:\Users\Admin\AppData\Local\Temp/StUpdate.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\melt.txt
    Filesize

    102B

    MD5

    5c3a3919933d89e4abe6d1b3adde9765

    SHA1

    9e3d822a2545fe5a40a16c2140c76f5a11578783

    SHA256

    3b415be7532b5958540e71ff97a194cea1535025d79eda541d3370b8f2886348

    SHA512

    9b84d33fe9ad1db399685544361117c07dd37578683e881c0224d339f1d1c28678c50f7dbc4514d792de3875a8016ebec3cb71a772eaffb168e9a7182611e72b

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  • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
    Filesize

    93KB

    MD5

    54818a1a77471d6b2edd5ca5708247e3

    SHA1

    c2db96c79e4e117caa6e7db3dfc767f2f9c9e90f

    SHA256

    67d53f087b54148e866b6bfc1108e51e46ab82fc1ecaa82212c666ce26c2472d

    SHA512

    75bb0460c96e5f2983e9344864b06696054f8f0fdde5d3f4d2758bea6004c3c8e151c8d013a3a6ec5220d205f9f75b3dace903b18157953445e18cf256faae9b

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  • C:\Users\Admin\AppData\Roaming\app
    Filesize

    4B

    MD5

    fba73ce50d8cfb469ec29a2333b22a85

    SHA1

    4b7b6dfb36af4a016301dc065870dd0829db0a55

    SHA256

    56ae4e1144656432194c610e366fb556f7401a9993e75c0007f46397a5ddfa03

    SHA512

    b620d99e15c25e970a09738d14b493b2345ec1eb48737e2983565666a3c052d235712db01a110c9948dc00d62a14fcccf43ccc295f993d673334dc88497c77c7

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  • memory/1512-0-0x0000000074661000-0x0000000074662000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1512-1-0x0000000074660000-0x0000000074C0B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1512-2-0x0000000074660000-0x0000000074C0B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1512-23-0x0000000074660000-0x0000000074C0B000-memory.dmp

    Filesize

    5.7MB

    Download