tofsee | 4363360eba9bacce9d9e19e369cc7c8e872dae2289150471823514c137342f07

General

Target

2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe
Size

11.5MB
MD5

22e3c237d361b3e4fa05ebbd045f0c12
SHA1

74501e3cd15f8a34d1ebe61d2343bce6c85ddf87
SHA256

4363360eba9bacce9d9e19e369cc7c8e872dae2289150471823514c137342f07
SHA512

aca3ae1830be51e36a02b6438765eb141ad3148176f0fce91cb3f31d45082d60db1bcd40118bfced670d0e605857c6d98626e76d64d8051e756c36077244a314
SSDEEP

6144:jLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQu:YTYe+D2jFu+iZoUFhAz7

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

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
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
2056	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\sokfxsgj\ImagePath = "C:\\Windows\\SysWOW64\\sokfxsgj\\psyshsdj.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe

Deletes itself 1 IoCs

pid	Process
3740	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3616	psyshsdj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3616 set thread context of 3740	3616	psyshsdj.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
5032	sc.exe
3580	sc.exe
3920	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2696	1408	WerFault.exe	81
3900	3616	WerFault.exe	92

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
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	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 228	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	82
PID 1408 wrote to memory of 228	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	82
PID 1408 wrote to memory of 228	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	82
PID 1408 wrote to memory of 640	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	84
PID 1408 wrote to memory of 640	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	84
PID 1408 wrote to memory of 640	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	84
PID 1408 wrote to memory of 5032	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	86
PID 1408 wrote to memory of 5032	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	86
PID 1408 wrote to memory of 5032	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	86
PID 1408 wrote to memory of 3580	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	88
PID 1408 wrote to memory of 3580	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	88
PID 1408 wrote to memory of 3580	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	88
PID 1408 wrote to memory of 3920	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	90
PID 1408 wrote to memory of 3920	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	90
PID 1408 wrote to memory of 3920	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	90
PID 1408 wrote to memory of 2056	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	93
PID 1408 wrote to memory of 2056	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	93
PID 1408 wrote to memory of 2056	1408	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	93
PID 3616 wrote to memory of 3740	3616	psyshsdj.exe	98
PID 3616 wrote to memory of 3740	3616	psyshsdj.exe	98
PID 3616 wrote to memory of 3740	3616	psyshsdj.exe	98
PID 3616 wrote to memory of 3740	3616	psyshsdj.exe	98
PID 3616 wrote to memory of 3740	3616	psyshsdj.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sokfxsgj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:228
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\psyshsdj.exe" C:\Windows\SysWOW64\sokfxsgj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:640
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create sokfxsgj binPath= "C:\Windows\SysWOW64\sokfxsgj\psyshsdj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5032
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description sokfxsgj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3580
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start sokfxsgj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3920
- 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:2056
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1408 -s 1220
  2⤵
  - Program crash
  PID:2696

C:\Windows\SysWOW64\sokfxsgj\psyshsdj.exe
C:\Windows\SysWOW64\sokfxsgj\psyshsdj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3616
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3740
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3616 -s 260
  2⤵
  - Program crash
  PID:3900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1408 -ip 1408
1⤵
PID:1532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3616 -ip 3616
1⤵
PID:1104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\psyshsdj.exe

Filesize
10.6MB

MD5
3ac324ccf4968f06176625cc2fb1ce27

SHA1
dcbbd362d86de451bc8da43e44ae33fd2e92ceb9

SHA256
2dbeecc8ec1017208cf61ffc431d885f1c0cd623de7abd3ff95feefd40bb211f

SHA512
c65fb2d20761358f7d71f88e85ee605f7d247c3fb17cfac8314f10515aabf840264d844c191f24f86bee7a4b893b7f3e45504fa40a292c177c4a7e46264cc230

Download Submit
memory/1408-11-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1408-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1408-2-0x0000000000510000-0x0000000000523000-memory.dmp

Filesize
76KB

Download
memory/1408-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1408-12-0x0000000000510000-0x0000000000523000-memory.dmp

Filesize
76KB

Download
memory/1408-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/3616-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3616-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3616-10-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3616-19-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3740-14-0x0000000001090000-0x00000000010A5000-memory.dmp

Filesize
84KB

Download
memory/3740-16-0x0000000001090000-0x00000000010A5000-memory.dmp

Filesize
84KB

Download
memory/3740-17-0x0000000001090000-0x00000000010A5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads