tofsee | 1321649847ba806088350fc07e2d8d33907e4870184e2146ee47ae5e88af1bab

Analysis

max time kernel
144s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-01-2025 03:45

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General

Target

2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe
Size

10.2MB
MD5

bd70964fb54cc4a4eac50d6e454f3b6e
SHA1

174d3f2b378bbae36322f0f3d4c40fd9cdb5074f
SHA256

1321649847ba806088350fc07e2d8d33907e4870184e2146ee47ae5e88af1bab
SHA512

e98f20da36dc457000864352760a605d9da1217afc221c71bf09b7c31622ca40e5b40174067cbb583110903f7c640495b4041a0b93fe5b022a6790aa3b262934
SSDEEP

24576:RpomTTN9ttttttttttttttttttttttttttttttttttttttttttttttttttttttt6:rooU

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\cphrvew = "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
2836	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\cphrvew\ImagePath = "C:\\Windows\\SysWOW64\\cphrvew\\vppgrart.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2740	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2764	vppgrart.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2740	2764	vppgrart.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2228	sc.exe
2080	sc.exe
2480	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	vppgrart.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 3024	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	30
PID 2420 wrote to memory of 3024	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	30
PID 2420 wrote to memory of 3024	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	30
PID 2420 wrote to memory of 3024	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	30
PID 2420 wrote to memory of 2036	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	32
PID 2420 wrote to memory of 2036	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	32
PID 2420 wrote to memory of 2036	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	32
PID 2420 wrote to memory of 2036	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	32
PID 2420 wrote to memory of 2228	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	34
PID 2420 wrote to memory of 2228	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	34
PID 2420 wrote to memory of 2228	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	34
PID 2420 wrote to memory of 2228	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	34
PID 2420 wrote to memory of 2080	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	36
PID 2420 wrote to memory of 2080	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	36
PID 2420 wrote to memory of 2080	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	36
PID 2420 wrote to memory of 2080	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	36
PID 2420 wrote to memory of 2480	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	38
PID 2420 wrote to memory of 2480	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	38
PID 2420 wrote to memory of 2480	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	38
PID 2420 wrote to memory of 2480	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	38
PID 2420 wrote to memory of 2836	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	41
PID 2420 wrote to memory of 2836	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	41
PID 2420 wrote to memory of 2836	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	41
PID 2420 wrote to memory of 2836	2420	2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe	41
PID 2764 wrote to memory of 2740	2764	vppgrart.exe	43
PID 2764 wrote to memory of 2740	2764	vppgrart.exe	43
PID 2764 wrote to memory of 2740	2764	vppgrart.exe	43
PID 2764 wrote to memory of 2740	2764	vppgrart.exe	43
PID 2764 wrote to memory of 2740	2764	vppgrart.exe	43
PID 2764 wrote to memory of 2740	2764	vppgrart.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cphrvew\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3024
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vppgrart.exe" C:\Windows\SysWOW64\cphrvew\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2036
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cphrvew binPath= "C:\Windows\SysWOW64\cphrvew\vppgrart.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2228
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cphrvew "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2080
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cphrvew
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2480
- 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:2836

C:\Windows\SysWOW64\cphrvew\vppgrart.exe
C:\Windows\SysWOW64\cphrvew\vppgrart.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_bd70964fb54cc4a4eac50d6e454f3b6e_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764
- 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:2740

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\vppgrart.exe

Filesize
12.3MB

MD5
114a4020859d66babcf4e04e64ca1083

SHA1
569e279c72c584196707c40aad685cab3902ca22

SHA256
21ad923978d28dbafb5900665845c53a1dcc38f340a70e7dd9c2830c290773d5

SHA512
0118ab89fed77c489a1875a31b7e57b37e08f8acd56c0686ea488bcfb16a3acd1114d10d4b84c109e3ae87c40e5e459a4f5486f0da9a3628fbf6ecffa21eb813

Download Submit
memory/2420-9-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/2420-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2420-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2420-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2420-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2420-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/2420-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2740-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2740-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2740-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2740-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2764-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads