Overview

overview

10

Static

static

10

SteamDetector.exe

windows7-x64

10

SteamDetector.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2025, 06:02

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General

  • Target

    SteamDetector.exe

  • Size

    215KB

  • MD5

    c7bb7b93bc4327b0190c852138cc4f0c

  • SHA1

    af779bc979d9d4515510b60511ef14d1d3331f47

  • SHA256

    bcb6f8e7702380c8f2eec6393a4a4d414027d75786593072e524aef7f4d232cd

  • SHA512

    56a4fe9007421e2a0a0afbfc12d1b3fa8544ff71986282292608966725e2a436b751fc4aa7a7bb99a0dfe50aada7419c4450d01dd94ac78251ab8ce33d432d55

  • SSDEEP

    1536:56N9uMvWCo+gRJNQkZqH5u3JPyaoBypISq8JhrCdupRKV:567ukc+yJSkA5u3JPn++rq8JhudupRK

Score
8/10
defense_evasiondiscoverypersistenceprivilege_escalation

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
    defense_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 3 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SteamDetector.exe
    "C:\Users\Admin\AppData\Local\Temp\SteamDetector.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4388
    • C:\Users\Admin\AppData\Roaming\SteamDetector.exe
      "C:\Users\Admin\AppData\Roaming\SteamDetector.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:3608
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\SteamDetector.exe" "SteamDetector.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4476

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

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\SteamDetector.exe.log
    Filesize

    319B

    MD5

    da4fafeffe21b7cb3a8c170ca7911976

    SHA1

    50ef77e2451ab60f93f4db88325b897d215be5ad

    SHA256

    7341a4a13e81cbb5b7f39ec47bb45f84836b08b8d8e3ea231d2c7dad982094f7

    SHA512

    0bc24b69460f31a0ebc0628b99908d818ee85feb7e4b663271d9375b30cced0cd55a0bbf8edff1281a4c886ddf4476ffc989c283069cdcb1235ffcb265580fc6

    Download Submit

  • C:\Users\Admin\AppData\Roaming\SteamDetector.exe
    Filesize

    215KB

    MD5

    c7bb7b93bc4327b0190c852138cc4f0c

    SHA1

    af779bc979d9d4515510b60511ef14d1d3331f47

    SHA256

    bcb6f8e7702380c8f2eec6393a4a4d414027d75786593072e524aef7f4d232cd

    SHA512

    56a4fe9007421e2a0a0afbfc12d1b3fa8544ff71986282292608966725e2a436b751fc4aa7a7bb99a0dfe50aada7419c4450d01dd94ac78251ab8ce33d432d55

    Download Submit

  • memory/3608-14-0x0000000074690000-0x0000000074C41000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3608-15-0x0000000074690000-0x0000000074C41000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3608-16-0x0000000074690000-0x0000000074C41000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3608-26-0x0000000074690000-0x0000000074C41000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3608-27-0x0000000074690000-0x0000000074C41000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3608-28-0x0000000074690000-0x0000000074C41000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4388-0-0x0000000074692000-0x0000000074693000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4388-1-0x0000000074690000-0x0000000074C41000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4388-2-0x0000000074690000-0x0000000074C41000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4388-13-0x0000000074690000-0x0000000074C41000-memory.dmp

    Filesize

    5.7MB

    Download