tofsee | 2c0f0fc072f8ab0fc5b31e68944f7c4e76326f887d9bd44ed7e2193d6fb99c83

General

Target

2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe
Size

15.0MB
MD5

44ddf319c7286465c9795bdc4d79e66f
SHA1

17fa4e7a77612e29765a143092356174e47493db
SHA256

2c0f0fc072f8ab0fc5b31e68944f7c4e76326f887d9bd44ed7e2193d6fb99c83
SHA512

640f40f2ff6825d68c97b7e1e02a9d663f1fb18bf97fb93ed94b0e5a94ecb2e9f83585a15c5477e8b6cdf950fda743890adb801acfac27bb288780b2857b69cd
SSDEEP

393216:HXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXP:P

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
4124	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\shgyeyzr\ImagePath = "C:\\Windows\\SysWOW64\\shgyeyzr\\ivhexkpz.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-1-5-21-2089655958-977706906-1981639424-1000\Control Panel\International\Geo\Nation	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe

Deletes itself 1 IoCs

pid	Process
4536	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4864	ivhexkpz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4864 set thread context of 4536	4864	ivhexkpz.exe	97

Launches sc.exe 3 IoCs

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

pid	Process
4920	sc.exe
116	sc.exe
3400	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	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	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	ivhexkpz.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 64 wrote to memory of 3844	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	86
PID 64 wrote to memory of 3844	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	86
PID 64 wrote to memory of 3844	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	86
PID 64 wrote to memory of 5108	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	88
PID 64 wrote to memory of 5108	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	88
PID 64 wrote to memory of 5108	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	88
PID 64 wrote to memory of 4920	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	90
PID 64 wrote to memory of 4920	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	90
PID 64 wrote to memory of 4920	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	90
PID 64 wrote to memory of 116	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	92
PID 64 wrote to memory of 116	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	92
PID 64 wrote to memory of 116	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	92
PID 64 wrote to memory of 3400	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	94
PID 64 wrote to memory of 3400	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	94
PID 64 wrote to memory of 3400	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	94
PID 4864 wrote to memory of 4536	4864	ivhexkpz.exe	97
PID 4864 wrote to memory of 4536	4864	ivhexkpz.exe	97
PID 4864 wrote to memory of 4536	4864	ivhexkpz.exe	97
PID 4864 wrote to memory of 4536	4864	ivhexkpz.exe	97
PID 4864 wrote to memory of 4536	4864	ivhexkpz.exe	97
PID 64 wrote to memory of 4124	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	98
PID 64 wrote to memory of 4124	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	98
PID 64 wrote to memory of 4124	64	2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:64
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\shgyeyzr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3844
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ivhexkpz.exe" C:\Windows\SysWOW64\shgyeyzr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5108
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create shgyeyzr binPath= "C:\Windows\SysWOW64\shgyeyzr\ivhexkpz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4920
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description shgyeyzr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:116
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start shgyeyzr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3400
- 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:4124

C:\Windows\SysWOW64\shgyeyzr\ivhexkpz.exe
C:\Windows\SysWOW64\shgyeyzr\ivhexkpz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_44ddf319c7286465c9795bdc4d79e66f_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4536

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\ivhexkpz.exe

Filesize
11.7MB

MD5
0e1e7503a866cec4de3b32c517c442dd

SHA1
f738f39da3f4ceca10f6c739be8f4327254bf19c

SHA256
e5a3a285730f722c216355adf2c0e48ca0d04fc8c8949391b9765887bf0c241f

SHA512
fe80d0687dca340c1d90009ce9b457683b2f6b690a02c3cd10cf40d50841cce08e6d4f3cc6873c024b768c939894219d56ea082f722c368466182ed2c4d892e2

Download Submit
memory/64-18-0x0000000000540000-0x0000000000553000-memory.dmp

Filesize
76KB

Download
memory/64-2-0x0000000000540000-0x0000000000553000-memory.dmp

Filesize
76KB

Download
memory/64-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/64-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/64-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/64-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4536-22-0x0000000000730000-0x0000000000745000-memory.dmp

Filesize
84KB

Download
memory/4536-11-0x0000000000730000-0x0000000000745000-memory.dmp

Filesize
84KB

Download
memory/4536-21-0x0000000000730000-0x0000000000745000-memory.dmp

Filesize
84KB

Download
memory/4536-20-0x0000000000730000-0x0000000000745000-memory.dmp

Filesize
84KB

Download
memory/4536-16-0x0000000000730000-0x0000000000745000-memory.dmp

Filesize
84KB

Download
memory/4864-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4864-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4864-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4864-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads