tofsee | e29f2c55481aae49476f4eed302cf7aeb98d1b3efc050220378a944fadbb5d87

Analysis

max time kernel
151s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08/02/2025, 03:27

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General

Target

2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe
Size

12.8MB
MD5

accf8d716b789cd50ea56708bd19b0a4
SHA1

d9db26522635830d851f5a29be7798b4e299404e
SHA256

e29f2c55481aae49476f4eed302cf7aeb98d1b3efc050220378a944fadbb5d87
SHA512

7c2adf752c75fd5d0f6a65e5ebe5e0ac492fd844dba53771915d031c66d44870ccd85a9f6e324dd7fb04f5c0b084b5b1fb5b7ed7d3cdcdefe1332b0b284544d4
SSDEEP

393216:TXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXH:

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\poogiiji = "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
2144	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\poogiiji\ImagePath = "C:\\Windows\\SysWOW64\\poogiiji\\psyshsdj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1712	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2696	psyshsdj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 1712	2696	psyshsdj.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2836	sc.exe
2908	sc.exe
2816	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	psyshsdj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_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	sc.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 3068	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	29
PID 432 wrote to memory of 3068	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	29
PID 432 wrote to memory of 3068	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	29
PID 432 wrote to memory of 3068	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	29
PID 432 wrote to memory of 2980	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	31
PID 432 wrote to memory of 2980	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	31
PID 432 wrote to memory of 2980	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	31
PID 432 wrote to memory of 2980	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	31
PID 432 wrote to memory of 2836	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	33
PID 432 wrote to memory of 2836	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	33
PID 432 wrote to memory of 2836	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	33
PID 432 wrote to memory of 2836	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	33
PID 432 wrote to memory of 2908	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	35
PID 432 wrote to memory of 2908	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	35
PID 432 wrote to memory of 2908	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	35
PID 432 wrote to memory of 2908	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	35
PID 432 wrote to memory of 2816	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	37
PID 432 wrote to memory of 2816	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	37
PID 432 wrote to memory of 2816	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	37
PID 432 wrote to memory of 2816	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	37
PID 432 wrote to memory of 2144	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	40
PID 432 wrote to memory of 2144	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	40
PID 432 wrote to memory of 2144	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	40
PID 432 wrote to memory of 2144	432	2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe	40
PID 2696 wrote to memory of 1712	2696	psyshsdj.exe	42
PID 2696 wrote to memory of 1712	2696	psyshsdj.exe	42
PID 2696 wrote to memory of 1712	2696	psyshsdj.exe	42
PID 2696 wrote to memory of 1712	2696	psyshsdj.exe	42
PID 2696 wrote to memory of 1712	2696	psyshsdj.exe	42
PID 2696 wrote to memory of 1712	2696	psyshsdj.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:432
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\poogiiji\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\psyshsdj.exe" C:\Windows\SysWOW64\poogiiji\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2980
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create poogiiji binPath= "C:\Windows\SysWOW64\poogiiji\psyshsdj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description poogiiji "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2908
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start poogiiji
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2816
- 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:2144

C:\Windows\SysWOW64\poogiiji\psyshsdj.exe
C:\Windows\SysWOW64\poogiiji\psyshsdj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_accf8d716b789cd50ea56708bd19b0a4_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2696
- 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:1712

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\psyshsdj.exe

Filesize
12.5MB

MD5
8eeed58b22f6f4823ad612fc25c8b245

SHA1
5591630acc51447f181d6b8c4492fb9dcb73b00e

SHA256
adc96a69aeeddfb6522f0bd033e9b0781ec143c57fbebcc8ab941517efaa8704

SHA512
3a1fb5928abe5788c336a1b1d90d299c71ac604df99fe82d735e2e29b6e554f6f30784874b556dc3bf428bd87b55a1a49d862687ba6e09fb9b7a8f86add588dc

Download Submit
memory/432-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/432-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/432-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/432-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/432-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/432-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/1712-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1712-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1712-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1712-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1712-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2696-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads