tofsee | 334796ca3f20363eeb932c79b813eaf27f4b3e750965f1f48e129a2280444134

General

Target

2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe
Size

12.3MB
MD5

91e00ddfcee930141b272e4430592f29
SHA1

db437292dd260d76c88cb026a163a7899564db9f
SHA256

334796ca3f20363eeb932c79b813eaf27f4b3e750965f1f48e129a2280444134
SHA512

26921e09a65f7807653af44142af750127ebad427c9cb1c8beb196c265f4964e3be9b8a9d1504aca4796f2656039e45942d39d90e6ac72a05c14a046b5227d5f
SSDEEP

393216:5XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXt:T

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
3408	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\gtddqziu\ImagePath = "C:\\Windows\\SysWOW64\\gtddqziu\\oaznyiqk.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_91e00ddfcee930141b272e4430592f29_mafia.exe

Deletes itself 1 IoCs

pid	Process
2864	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2020	oaznyiqk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2020 set thread context of 2864	2020	oaznyiqk.exe	96

Launches sc.exe 3 IoCs

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

pid	Process
3088	sc.exe
2236	sc.exe
4068	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	oaznyiqk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-28_91e00ddfcee930141b272e4430592f29_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	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 2136	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	84
PID 3944 wrote to memory of 2136	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	84
PID 3944 wrote to memory of 2136	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	84
PID 3944 wrote to memory of 4644	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	86
PID 3944 wrote to memory of 4644	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	86
PID 3944 wrote to memory of 4644	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	86
PID 3944 wrote to memory of 3088	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	88
PID 3944 wrote to memory of 3088	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	88
PID 3944 wrote to memory of 3088	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	88
PID 3944 wrote to memory of 2236	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	90
PID 3944 wrote to memory of 2236	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	90
PID 3944 wrote to memory of 2236	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	90
PID 3944 wrote to memory of 4068	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	92
PID 3944 wrote to memory of 4068	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	92
PID 3944 wrote to memory of 4068	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	92
PID 3944 wrote to memory of 3408	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	95
PID 3944 wrote to memory of 3408	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	95
PID 3944 wrote to memory of 3408	3944	2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe	95
PID 2020 wrote to memory of 2864	2020	oaznyiqk.exe	96
PID 2020 wrote to memory of 2864	2020	oaznyiqk.exe	96
PID 2020 wrote to memory of 2864	2020	oaznyiqk.exe	96
PID 2020 wrote to memory of 2864	2020	oaznyiqk.exe	96
PID 2020 wrote to memory of 2864	2020	oaznyiqk.exe	96

C:\Users\Admin\AppData\Local\Temp\2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gtddqziu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2136
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\oaznyiqk.exe" C:\Windows\SysWOW64\gtddqziu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4644
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gtddqziu binPath= "C:\Windows\SysWOW64\gtddqziu\oaznyiqk.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3088
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gtddqziu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2236
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gtddqziu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4068
- 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:3408

C:\Windows\SysWOW64\gtddqziu\oaznyiqk.exe
C:\Windows\SysWOW64\gtddqziu\oaznyiqk.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_91e00ddfcee930141b272e4430592f29_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2864

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\oaznyiqk.exe

Filesize
11.9MB

MD5
2c08639af655ac07d6f5ce90f6ee42d2

SHA1
5b03b03e477a22c213f216c2b3c70c4a0a4b8232

SHA256
82e6593d33cce667bb004f46ee70fd8e9bd8eb307d919bed1f6a95f763c39a09

SHA512
39b34e534beaa9506ec4e384106b655dbcacd4122792e2b4a4701ef7f3bbaa3bb25cf0fc44f65f1993b627e63e8d1aa5b6b122dc977b3485d49ad1ec924d61a9

Download Submit
memory/2020-19-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2020-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2020-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2020-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2864-20-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/2864-14-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/2864-17-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/2864-21-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/2864-22-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/3944-12-0x0000000000890000-0x00000000008A3000-memory.dmp

Filesize
76KB

Download
memory/3944-1-0x0000000000650000-0x0000000000750000-memory.dmp

Filesize
1024KB

Download
memory/3944-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3944-11-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3944-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3944-2-0x0000000000890000-0x00000000008A3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads