tofsee | 163e6be7e3d945dc57382762b6857e47f6c966d0e8529ba1775cc7143e0bc39e

Analysis

max time kernel
144s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 15:46

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General

Target

2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe
Size

10.0MB
MD5

e131e7ea13ef16f914940ac7fa24064c
SHA1

75039b2cc40d3c616042957b016b4b9097495820
SHA256

163e6be7e3d945dc57382762b6857e47f6c966d0e8529ba1775cc7143e0bc39e
SHA512

9e8c2dd4cda0351845218bd84abc4b5dc05060b68ba50bae8281616311092443ce178a377aa97522a955da95423b8b4f6ec3ef0384945ca9ac2642d01f87c146
SSDEEP

6144:BVXdWonWCgHBEJE968VNNXSB3sFD+yZpp:7bnWvHBEJM6WNNCB36D+y

Score

10^/10

tofsee discovery evasion 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

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\ieybftqv = "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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2888	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\ieybftqv\ImagePath = "C:\\Windows\\SysWOW64\\ieybftqv\\lqavpbya.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2700	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2772	lqavpbya.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2772 set thread context of 2700	2772	lqavpbya.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2444	sc.exe
2712	sc.exe
2672	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.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	lqavpbya.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 572	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	31
PID 2432 wrote to memory of 572	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	31
PID 2432 wrote to memory of 572	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	31
PID 2432 wrote to memory of 572	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	31
PID 2432 wrote to memory of 2268	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	33
PID 2432 wrote to memory of 2268	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	33
PID 2432 wrote to memory of 2268	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	33
PID 2432 wrote to memory of 2268	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	33
PID 2432 wrote to memory of 2444	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	35
PID 2432 wrote to memory of 2444	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	35
PID 2432 wrote to memory of 2444	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	35
PID 2432 wrote to memory of 2444	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	35
PID 2432 wrote to memory of 2712	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	37
PID 2432 wrote to memory of 2712	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	37
PID 2432 wrote to memory of 2712	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	37
PID 2432 wrote to memory of 2712	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	37
PID 2432 wrote to memory of 2672	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	39
PID 2432 wrote to memory of 2672	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	39
PID 2432 wrote to memory of 2672	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	39
PID 2432 wrote to memory of 2672	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	39
PID 2772 wrote to memory of 2700	2772	lqavpbya.exe	42
PID 2772 wrote to memory of 2700	2772	lqavpbya.exe	42
PID 2772 wrote to memory of 2700	2772	lqavpbya.exe	42
PID 2772 wrote to memory of 2700	2772	lqavpbya.exe	42
PID 2772 wrote to memory of 2700	2772	lqavpbya.exe	42
PID 2772 wrote to memory of 2700	2772	lqavpbya.exe	42
PID 2432 wrote to memory of 2888	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	43
PID 2432 wrote to memory of 2888	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	43
PID 2432 wrote to memory of 2888	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	43
PID 2432 wrote to memory of 2888	2432	2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ieybftqv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:572
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lqavpbya.exe" C:\Windows\SysWOW64\ieybftqv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2268
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ieybftqv binPath= "C:\Windows\SysWOW64\ieybftqv\lqavpbya.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2444
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ieybftqv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2712
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ieybftqv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2672
- 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:2888

C:\Windows\SysWOW64\ieybftqv\lqavpbya.exe
C:\Windows\SysWOW64\ieybftqv\lqavpbya.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-10_e131e7ea13ef16f914940ac7fa24064c_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- 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:2700

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\lqavpbya.exe

Filesize
14.8MB

MD5
76c19aea4c2913b9fdeb719eb766120a

SHA1
94a211bf929eb37794bd0f811cc69268751dc1f8

SHA256
becc4beb4939b8614ab1d64063b08a5df6f0b801edb80976abd18609c068cb36

SHA512
e1f35b2444b566f7232ba8a3447cf78f90a026c350b5f7111eb683417f6f27d7a409455a3b5436a26724883d8b3525086a270943e06643cf1e9ed56bac116df7

Download Submit
memory/2432-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2432-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2432-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2432-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2432-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2432-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2700-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2700-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2700-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2700-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2700-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2772-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads