Overview

overview

10

Static

static

3

2025-01-31...ia.exe

windows7-x64

10

2025-01-31...ia.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    145s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-01-2025 20:13

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General

  • Target

    2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe

  • Size

    10.7MB

  • MD5

    fa4e150bd2d9f3643b16a43221df6cb6

  • SHA1

    cfe68a2880c6291bc248c05eb2defb8a62dc96c7

  • SHA256

    78d9ff31ea05279a6e272726b7dcb36f23401abed2508ab6126aacb116e9c215

  • SHA512

    ee1420100fa19cb9304d8c0f9581b295ede16c653146338f5f7d6d97b0e47ac3f5d48505bb73cd7378dc9bd99fd8fcccb91b5fbe1a396a4d71bced6cb3bed8c7

  • SSDEEP

    49152:HLFuiE888888888888888888888888888888888888888888888888888888888U:HLM

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\2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4436
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bkxxcsrs\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3100
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\evdblgnb.exe" C:\Windows\SysWOW64\bkxxcsrs\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4052
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create bkxxcsrs binPath= "C:\Windows\SysWOW64\bkxxcsrs\evdblgnb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1508
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description bkxxcsrs "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4320
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start bkxxcsrs
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3136
    • 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:964
  • C:\Windows\SysWOW64\bkxxcsrs\evdblgnb.exe
    C:\Windows\SysWOW64\bkxxcsrs\evdblgnb.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:4748

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\evdblgnb.exe
    Filesize

    14.1MB

    MD5

    939c2aa5e2b8ea72955955f59784fdaf

    SHA1

    11c68de232ced27ca696329beb208c3e2a3dc634

    SHA256

    a338750424339b25b9de68c34fc2e76484f52c57a3138c4d8e8eada1f73b1474

    SHA512

    caa7381e91f7c45d2e6a5d3d4112533acc5b4e1dae1651a2098dfea4748d6915bca68636d016fde6f92ce6265a98da145e0f1fe6f71b3117133590a48d116fd6

    Download Submit

  • memory/1652-9-0x0000000000400000-0x0000000002DBF000-memory.dmp

    Filesize

    41.7MB

    Download

  • memory/4436-1-0x0000000002FA0000-0x00000000030A0000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/4436-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

    Filesize

    76KB

    Download

  • memory/4436-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/4436-13-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/4436-12-0x00000000001C0000-0x00000000001D3000-memory.dmp

    Filesize

    76KB

    Download

  • memory/4436-11-0x0000000000400000-0x0000000002DBF000-memory.dmp

    Filesize

    41.7MB

    Download

  • memory/4748-8-0x0000000000EE0000-0x0000000000EF5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/4748-14-0x0000000000EE0000-0x0000000000EF5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/4748-15-0x0000000000EE0000-0x0000000000EF5000-memory.dmp

    Filesize

    84KB

    Download