tofsee | e52c20e0297216d87d9920eb23d3a2096ba04fcaaa923d28dc4263ae0ddbe5bb

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 20:09

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General

Target

2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe
Size

12.8MB
MD5

1a136e835c3009b4e91d15512d298be6
SHA1

fe88c1ff07a6445f2e1a34f02716fe43ef3b38ad
SHA256

e52c20e0297216d87d9920eb23d3a2096ba04fcaaa923d28dc4263ae0ddbe5bb
SHA512

e2fc3e2ad8f71c0a9febbfd93511c42b6585825f33648f90767415af978233fd0ea2d0c040186d73053031a13886666128fa67ede7ea048284c3ed4a3f8452b1
SSDEEP

24576:I6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ:VWdLQk

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7

lazystax.ru

Signatures

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

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\evulavqr = "0"	svchost.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2908	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\evulavqr\ImagePath = "C:\\Windows\\SysWOW64\\evulavqr\\npitaiwm.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2780	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2868	npitaiwm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2868 set thread context of 2780	2868	npitaiwm.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2248	sc.exe
2720	sc.exe
2428	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

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

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	npitaiwm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 592 wrote to memory of 2060	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	30
PID 592 wrote to memory of 2060	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	30
PID 592 wrote to memory of 2060	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	30
PID 592 wrote to memory of 2060	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	30
PID 592 wrote to memory of 1924	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	32
PID 592 wrote to memory of 1924	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	32
PID 592 wrote to memory of 1924	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	32
PID 592 wrote to memory of 1924	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	32
PID 592 wrote to memory of 2428	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	34
PID 592 wrote to memory of 2428	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	34
PID 592 wrote to memory of 2428	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	34
PID 592 wrote to memory of 2428	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	34
PID 592 wrote to memory of 2248	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	36
PID 592 wrote to memory of 2248	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	36
PID 592 wrote to memory of 2248	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	36
PID 592 wrote to memory of 2248	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	36
PID 592 wrote to memory of 2720	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	38
PID 592 wrote to memory of 2720	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	38
PID 592 wrote to memory of 2720	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	38
PID 592 wrote to memory of 2720	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	38
PID 592 wrote to memory of 2908	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	41
PID 592 wrote to memory of 2908	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	41
PID 592 wrote to memory of 2908	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	41
PID 592 wrote to memory of 2908	592	2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe	41
PID 2868 wrote to memory of 2780	2868	npitaiwm.exe	43
PID 2868 wrote to memory of 2780	2868	npitaiwm.exe	43
PID 2868 wrote to memory of 2780	2868	npitaiwm.exe	43
PID 2868 wrote to memory of 2780	2868	npitaiwm.exe	43
PID 2868 wrote to memory of 2780	2868	npitaiwm.exe	43
PID 2868 wrote to memory of 2780	2868	npitaiwm.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:592
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\evulavqr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2060
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\npitaiwm.exe" C:\Windows\SysWOW64\evulavqr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1924
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create evulavqr binPath= "C:\Windows\SysWOW64\evulavqr\npitaiwm.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2428
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description evulavqr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2248
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start evulavqr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2720
- 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:2908

C:\Windows\SysWOW64\evulavqr\npitaiwm.exe
C:\Windows\SysWOW64\evulavqr\npitaiwm.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_1a136e835c3009b4e91d15512d298be6_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\npitaiwm.exe

Filesize
10.2MB

MD5
63177aff20e99e517449eeebbe139912

SHA1
0804503a9704ec96c6c3472994de55a1482a157e

SHA256
ed8663527857b4f8e842e653ded58a2ccc02af64d6c70915a77b8d9987d19184

SHA512
2986c459786240c450fb39fa7cc711c7e18a8b631ac79716379d6d3270cc9a175284cbf37ada2341ef7f684c3a1e3da033f99e49a16ee3898d6c95f1b68368b0

Download Submit
memory/592-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/592-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/592-1-0x00000000008B0000-0x00000000009B0000-memory.dmp

Filesize
1024KB

Download
memory/592-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/592-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/592-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2780-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2780-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2780-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2780-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2868-17-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads