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Overview

overview

10

Static

static

10

3868437c16...08.exe

windows7-x64

10

3868437c16...08.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2024, 23:56

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General

  • Target

    3868437c16370a8ad9e3b5aeb4c6fa08.exe

  • Size

    37KB

  • MD5

    3868437c16370a8ad9e3b5aeb4c6fa08

  • SHA1

    2e4d638e5331d13661f4a7117a06c085b3cbfa6e

  • SHA256

    812e1ee6ec1ad6ad2aa3251eecccbd350b5e50904398df59799e71d437737101

  • SHA512

    42530865557f6b0d9d624dba31da722ae858a8614ee8455f5f6be65d660432ba8b6c80dea6234172c085c88a69329719c4f6b2b847dc49e310b756b2903c2ba6

  • SSDEEP

    384:kN4jjcXCisJfcR9L5YXyc/uSfMVkzHV2bItnCer6rAF+rMRTyN/0L+Ecoinblnef:S4+j5Yic/BhUI4e2rM+rMRa8Nu0CntQ

Score
8/10
discoveryevasionpersistenceprivilege_escalation

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs 5 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 3 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
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3868437c16370a8ad9e3b5aeb4c6fa08.exe
    "C:\Users\Admin\AppData\Local\Temp\3868437c16370a8ad9e3b5aeb4c6fa08.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3964
    • C:\ProgramData\COM Surrogate.exe
      "C:\ProgramData\COM Surrogate.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops autorun.inf file
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2076
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\ProgramData\COM Surrogate.exe" "COM Surrogate.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4192
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /F /IM taskmgr.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\ProgramData\COM Surrogate.exe
    Filesize

    37KB

    MD5

    3868437c16370a8ad9e3b5aeb4c6fa08

    SHA1

    2e4d638e5331d13661f4a7117a06c085b3cbfa6e

    SHA256

    812e1ee6ec1ad6ad2aa3251eecccbd350b5e50904398df59799e71d437737101

    SHA512

    42530865557f6b0d9d624dba31da722ae858a8614ee8455f5f6be65d660432ba8b6c80dea6234172c085c88a69329719c4f6b2b847dc49e310b756b2903c2ba6

    Download Submit

  • memory/2076-12-0x00000000750D0000-0x0000000075681000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2076-14-0x00000000750D0000-0x0000000075681000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2076-24-0x00000000750D0000-0x0000000075681000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3964-0-0x00000000750D2000-0x00000000750D3000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3964-1-0x00000000750D0000-0x0000000075681000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3964-2-0x00000000750D0000-0x0000000075681000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3964-13-0x00000000750D0000-0x0000000075681000-memory.dmp

    Filesize

    5.7MB

    Download