Overview

overview

10

Static

static

3

2025-03-30...er.exe

windows7-x64

10

2025-03-30...er.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/03/2025, 09:12

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General

  • Target

    2025-03-30_17fe13437716d7ce13eab20072a470a2_rhadamanthys_smoke-loader.exe

  • Size

    12.3MB

  • MD5

    17fe13437716d7ce13eab20072a470a2

  • SHA1

    6e07b55596f7e4b516f3e313a0aa534b178069bd

  • SHA256

    23994d6b107a601793968043b2300a102c53d14278b3fd335ce69f7566cda3d4

  • SHA512

    3761ff74da517c702a0237ed6a2b7065dd0a6d4a7d00fc139a0d19da2fd15ec66e59f4764d797f0593490957d6a811887a26cf6a046ee546a4c85faed703e870

  • SSDEEP

    6144:9AvhPJRn+Uy8dLqZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZE:9UhpLd/

Score
10/10
tofseedefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Signatures

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    trojantofsee
  • Tofsee family
    tofsee
  • Creates new service(s) 2 TTPs
    persistenceexecution
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    defense_evasion
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • 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 9 IoCs

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

    discovery
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-03-30_17fe13437716d7ce13eab20072a470a2_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-30_17fe13437716d7ce13eab20072a470a2_rhadamanthys_smoke-loader.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gfzljjkb\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4328
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hjcnucqg.exe" C:\Windows\SysWOW64\gfzljjkb\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5444
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create gfzljjkb binPath= "C:\Windows\SysWOW64\gfzljjkb\hjcnucqg.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_17fe13437716d7ce13eab20072a470a2_rhadamanthys_smoke-loader.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:5992
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description gfzljjkb "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:6036
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start gfzljjkb
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:5480
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:3260
  • C:\Windows\SysWOW64\gfzljjkb\hjcnucqg.exe
    C:\Windows\SysWOW64\gfzljjkb\hjcnucqg.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_17fe13437716d7ce13eab20072a470a2_rhadamanthys_smoke-loader.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5256
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:1580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
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

2
T1543

Windows Service

2
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

Collection

Command and Control

Exfiltration

Impact

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\hjcnucqg.exe
    Filesize

    10.2MB

    MD5

    0909aad769e419d7e1211b8752de0326

    SHA1

    2578411b7fdd37ce28741d8bd85406b5c4ff7eeb

    SHA256

    6e6f879c033c7ae0fe4a99c6eca3eba4126d3e74096777977a424910274bfa85

    SHA512

    5bfd1ff51e47fdcdda57dbb48cb4cfff1b11e99633874b4547a4f2183fe1d54df868faca80121222be726e5f09c06c950fa26f3a8ba1a773e8eb7b69417b5cff

    Download Submit

  • memory/1580-12-0x0000000001080000-0x0000000001095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/1580-15-0x0000000001080000-0x0000000001095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/1580-16-0x0000000001080000-0x0000000001095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2612-1-0x0000000006250000-0x0000000006350000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2612-2-0x0000000006230000-0x0000000006243000-memory.dmp

    Filesize

    76KB

    Download

  • memory/2612-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2612-6-0x0000000000400000-0x0000000005FD3000-memory.dmp

    Filesize

    91.8MB

    Download

  • memory/2612-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2612-9-0x0000000006230000-0x0000000006243000-memory.dmp

    Filesize

    76KB

    Download

  • memory/2612-8-0x0000000000400000-0x0000000005FD3000-memory.dmp

    Filesize

    91.8MB

    Download

  • memory/5256-13-0x0000000000400000-0x0000000005FD3000-memory.dmp

    Filesize

    91.8MB

    Download