tofsee | ac8e557694c4284908640e197fc3b8c3d3b859afa919c331f74000cb2fd46425

General

Target

2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe
Size

13.7MB
MD5

fe79f68d9da797757bed2be41ea1d1fb
SHA1

a5c4e87b4a9385f455d26966e6fd1ae3dadef414
SHA256

ac8e557694c4284908640e197fc3b8c3d3b859afa919c331f74000cb2fd46425
SHA512

319c2964dca7c554f74774a4fa5c41ab37a8f4ec445e00237d1e05bd202d00b32dfccc6e1af376bf04feee72a609d3cbf811dabbc88a4478077de4909877cdaa
SSDEEP

393216:TXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:

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
3628	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\ehjhirvc\ImagePath = "C:\\Windows\\SysWOW64\\ehjhirvc\\miaaxmlz.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-1-5-21-805940606-1861219160-370298170-1000\Control Panel\International\Geo\Nation	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe

Deletes itself 1 IoCs

pid	Process
2140	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3100	miaaxmlz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3100 set thread context of 2140	3100	miaaxmlz.exe	105

Launches sc.exe 3 IoCs

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

pid	Process
1580	sc.exe
5092	sc.exe
4864	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	miaaxmlz.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 4016	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	87
PID 1872 wrote to memory of 4016	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	87
PID 1872 wrote to memory of 4016	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	87
PID 1872 wrote to memory of 4116	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	89
PID 1872 wrote to memory of 4116	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	89
PID 1872 wrote to memory of 4116	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	89
PID 1872 wrote to memory of 1580	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	91
PID 1872 wrote to memory of 1580	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	91
PID 1872 wrote to memory of 1580	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	91
PID 1872 wrote to memory of 5092	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	97
PID 1872 wrote to memory of 5092	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	97
PID 1872 wrote to memory of 5092	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	97
PID 1872 wrote to memory of 4864	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	100
PID 1872 wrote to memory of 4864	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	100
PID 1872 wrote to memory of 4864	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	100
PID 3100 wrote to memory of 2140	3100	miaaxmlz.exe	105
PID 3100 wrote to memory of 2140	3100	miaaxmlz.exe	105
PID 3100 wrote to memory of 2140	3100	miaaxmlz.exe	105
PID 3100 wrote to memory of 2140	3100	miaaxmlz.exe	105
PID 3100 wrote to memory of 2140	3100	miaaxmlz.exe	105
PID 1872 wrote to memory of 3628	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	106
PID 1872 wrote to memory of 3628	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	106
PID 1872 wrote to memory of 3628	1872	2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe	106

C:\Users\Admin\AppData\Local\Temp\2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ehjhirvc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\miaaxmlz.exe" C:\Windows\SysWOW64\ehjhirvc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4116
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ehjhirvc binPath= "C:\Windows\SysWOW64\ehjhirvc\miaaxmlz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1580
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ehjhirvc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5092
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ehjhirvc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4864
- 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:3628

C:\Windows\SysWOW64\ehjhirvc\miaaxmlz.exe
C:\Windows\SysWOW64\ehjhirvc\miaaxmlz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-06_fe79f68d9da797757bed2be41ea1d1fb_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3100
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2140

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\miaaxmlz.exe

Filesize
12.1MB

MD5
0cb689cc8c8f7a7efb83e321571e3716

SHA1
4893fa54a6bda4ed90578236c6eb7b7153d818a9

SHA256
8b951bff947ea4d080f3798239b366ad998a44b470d058617ffa34ca5251ab26

SHA512
a777cc2866f0f9e84c84293f8dfe5e40be6534d79e74d1c1680d5330975a607d11238442d3020734f960f154a84dbad4019b150c9fc3a78aff0b02dc45968594

Download Submit
memory/1872-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1872-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1872-2-0x00000000004A0000-0x00000000004B3000-memory.dmp

Filesize
76KB

Download
memory/1872-15-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1872-16-0x00000000004A0000-0x00000000004B3000-memory.dmp

Filesize
76KB

Download
memory/1872-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/2140-14-0x0000000000ED0000-0x0000000000EE5000-memory.dmp

Filesize
84KB

Download
memory/2140-10-0x0000000000ED0000-0x0000000000EE5000-memory.dmp

Filesize
84KB

Download
memory/2140-18-0x0000000000ED0000-0x0000000000EE5000-memory.dmp

Filesize
84KB

Download
memory/2140-19-0x0000000000ED0000-0x0000000000EE5000-memory.dmp

Filesize
84KB

Download
memory/2140-20-0x0000000000ED0000-0x0000000000EE5000-memory.dmp

Filesize
84KB

Download
memory/3100-11-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3100-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3100-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads