tofsee | f954da5648966e7534005b93d35de289192a6cc3e8f4e765b7de80bc2675c6d8

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 20:07

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General

Target

2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe
Size

10.0MB
MD5

dc0400cc759c1d5f7ca5c11b9edda600
SHA1

fff821ce69dd9ae482131d85e4bb6e218eb40435
SHA256

f954da5648966e7534005b93d35de289192a6cc3e8f4e765b7de80bc2675c6d8
SHA512

6fecf099f5aa85ea2d5dcd7cd3ae152261a5c20e02d71fc4ee43675f04286919f865c5ea7f3b66d8b005de8ef1843c80d6c278e116b5161a052b3537ec9a4162
SSDEEP

24576:h6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQf:IWdLQk

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\cixglrsv = "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
2820	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\cixglrsv\ImagePath = "C:\\Windows\\SysWOW64\\cixglrsv\\hpeivtcc.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2824	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2832	hpeivtcc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2832 set thread context of 2824	2832	hpeivtcc.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
3004	sc.exe
3068	sc.exe
2796	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 opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\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	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	hpeivtcc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
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	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 1728	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	31
PID 2452 wrote to memory of 1728	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	31
PID 2452 wrote to memory of 1728	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	31
PID 2452 wrote to memory of 1728	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	31
PID 2452 wrote to memory of 2504	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	33
PID 2452 wrote to memory of 2504	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	33
PID 2452 wrote to memory of 2504	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	33
PID 2452 wrote to memory of 2504	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	33
PID 2452 wrote to memory of 3004	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	35
PID 2452 wrote to memory of 3004	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	35
PID 2452 wrote to memory of 3004	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	35
PID 2452 wrote to memory of 3004	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	35
PID 2452 wrote to memory of 3068	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	37
PID 2452 wrote to memory of 3068	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	37
PID 2452 wrote to memory of 3068	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	37
PID 2452 wrote to memory of 3068	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	37
PID 2452 wrote to memory of 2796	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	39
PID 2452 wrote to memory of 2796	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	39
PID 2452 wrote to memory of 2796	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	39
PID 2452 wrote to memory of 2796	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	39
PID 2832 wrote to memory of 2824	2832	hpeivtcc.exe	42
PID 2832 wrote to memory of 2824	2832	hpeivtcc.exe	42
PID 2832 wrote to memory of 2824	2832	hpeivtcc.exe	42
PID 2832 wrote to memory of 2824	2832	hpeivtcc.exe	42
PID 2832 wrote to memory of 2824	2832	hpeivtcc.exe	42
PID 2832 wrote to memory of 2824	2832	hpeivtcc.exe	42
PID 2452 wrote to memory of 2820	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	43
PID 2452 wrote to memory of 2820	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	43
PID 2452 wrote to memory of 2820	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	43
PID 2452 wrote to memory of 2820	2452	2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cixglrsv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1728
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hpeivtcc.exe" C:\Windows\SysWOW64\cixglrsv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2504
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cixglrsv binPath= "C:\Windows\SysWOW64\cixglrsv\hpeivtcc.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3004
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cixglrsv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3068
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cixglrsv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2796
- 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:2820

C:\Windows\SysWOW64\cixglrsv\hpeivtcc.exe
C:\Windows\SysWOW64\cixglrsv\hpeivtcc.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_dc0400cc759c1d5f7ca5c11b9edda600_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2832
- 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:2824

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\hpeivtcc.exe

Filesize
14.0MB

MD5
a5d08c479fc76cfa44e58c7b3c0078e5

SHA1
3c002b0e8618232e9be6ec6ddd0edaca2dc6b345

SHA256
524025a7f8b33031f7eb1315df018ab89e3a1c0e72816e323d03cf0f695f7c23

SHA512
c3911711cc1301b914fb11257257328b5613aaa8d2e6e49268c1448ed5611935e05d40befcf9d1702708b26477cc82bc898c416d519842c67272d93bc0219d50

Download Submit
memory/2452-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2452-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2452-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2452-14-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2452-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2452-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2824-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2824-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2824-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2824-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2832-12-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads