tofsee | 041bc2517d28c165af6f2d9c307ee80ba34c6841b1523c9e67d81afec2ddf046

Analysis

max time kernel
143s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-01-2025 03:46

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General

Target

2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe
Size

12.3MB
MD5

f2bdc578585d0f246e1c7a00b172c541
SHA1

18844a0e15ba1ede158e432116377713c9217e1f
SHA256

041bc2517d28c165af6f2d9c307ee80ba34c6841b1523c9e67d81afec2ddf046
SHA512

db881f6ce3c602af1740eefce4987a4e2c5c7050a479f49e666f8235a63be5ce2edaa6c133bdb77e7a73c85d8cb147f895b725cf42236943a4d76132269f7dd4
SSDEEP

24576:R6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQU:4WdLQku

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\ohxepsqb = "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
2792	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\ohxepsqb\ImagePath = "C:\\Windows\\SysWOW64\\ohxepsqb\\xgafxwrn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2716	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2732	xgafxwrn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 2716	2732	xgafxwrn.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2768	sc.exe
3028	sc.exe
2156	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	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xgafxwrn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2852	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	30
PID 2256 wrote to memory of 2852	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	30
PID 2256 wrote to memory of 2852	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	30
PID 2256 wrote to memory of 2852	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	30
PID 2256 wrote to memory of 2972	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	32
PID 2256 wrote to memory of 2972	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	32
PID 2256 wrote to memory of 2972	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	32
PID 2256 wrote to memory of 2972	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	32
PID 2256 wrote to memory of 2768	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	34
PID 2256 wrote to memory of 2768	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	34
PID 2256 wrote to memory of 2768	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	34
PID 2256 wrote to memory of 2768	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	34
PID 2256 wrote to memory of 3028	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	36
PID 2256 wrote to memory of 3028	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	36
PID 2256 wrote to memory of 3028	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	36
PID 2256 wrote to memory of 3028	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	36
PID 2256 wrote to memory of 2156	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	38
PID 2256 wrote to memory of 2156	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	38
PID 2256 wrote to memory of 2156	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	38
PID 2256 wrote to memory of 2156	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	38
PID 2256 wrote to memory of 2792	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	41
PID 2256 wrote to memory of 2792	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	41
PID 2256 wrote to memory of 2792	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	41
PID 2256 wrote to memory of 2792	2256	2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe	41
PID 2732 wrote to memory of 2716	2732	xgafxwrn.exe	43
PID 2732 wrote to memory of 2716	2732	xgafxwrn.exe	43
PID 2732 wrote to memory of 2716	2732	xgafxwrn.exe	43
PID 2732 wrote to memory of 2716	2732	xgafxwrn.exe	43
PID 2732 wrote to memory of 2716	2732	xgafxwrn.exe	43
PID 2732 wrote to memory of 2716	2732	xgafxwrn.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ohxepsqb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2852
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xgafxwrn.exe" C:\Windows\SysWOW64\ohxepsqb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2972
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ohxepsqb binPath= "C:\Windows\SysWOW64\ohxepsqb\xgafxwrn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ohxepsqb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3028
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ohxepsqb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2156
- 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:2792

C:\Windows\SysWOW64\ohxepsqb\xgafxwrn.exe
C:\Windows\SysWOW64\ohxepsqb\xgafxwrn.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_f2bdc578585d0f246e1c7a00b172c541_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2732
- 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:2716

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\xgafxwrn.exe

Filesize
14.6MB

MD5
9be43bae6f075629f61abe7dc25f84c6

SHA1
16eaa7ce38c6f8d8a827be4fd2ae92dc2761fe25

SHA256
0c50455f00c72b4c687041a0f9ebc9fd29b87fb6a91f033d31caeecd935e5361

SHA512
d5815932075aaa33e65155b3774428949f66eacc08ca0ca339993ba01ae873ee5f65d67062bba7e64c576605131c34e563dba19463ce5e079ea38aa6fcab8a9d

Download Submit
memory/2256-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2256-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2256-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2256-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2256-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2256-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/2716-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2716-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2716-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2716-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2716-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2732-17-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads