tofsee | 2e612115667e2fe1c19c2b791593855ef50b32dc19d0dfff5dae132baacfa02c

General

Target

2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe
Size

11.7MB
MD5

28a46a2947017a0a320d20e5f9305286
SHA1

f7c5eed53f17949d494de2fa64cf0d27341c4876
SHA256

2e612115667e2fe1c19c2b791593855ef50b32dc19d0dfff5dae132baacfa02c
SHA512

f9fe32b1d60ab5c7cdf547a188afab4ef5b357f10e37342f36d5e52f939bc708a4c7804f6426eb550a757cfc5d069cc1ced029b02df88f77fb493225fc4c8e46
SSDEEP

196608:jyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:OXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn

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
652	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\hgdlxxry\ImagePath = "C:\\Windows\\SysWOW64\\hgdlxxry\\tvqwpcm.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-1-5-21-2436272344-4274332273-444425594-1000\Control Panel\International\Geo\Nation	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe

Deletes itself 1 IoCs

pid	Process
3292	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4764	tvqwpcm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4764 set thread context of 3292	4764	tvqwpcm.exe	99

Launches sc.exe 3 IoCs

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

pid	Process
3104	sc.exe
3128	sc.exe
5076	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	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	tvqwpcm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.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	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2788	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	88
PID 2824 wrote to memory of 2788	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	88
PID 2824 wrote to memory of 2788	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	88
PID 2824 wrote to memory of 3212	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	90
PID 2824 wrote to memory of 3212	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	90
PID 2824 wrote to memory of 3212	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	90
PID 2824 wrote to memory of 3104	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	92
PID 2824 wrote to memory of 3104	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	92
PID 2824 wrote to memory of 3104	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	92
PID 2824 wrote to memory of 3128	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	94
PID 2824 wrote to memory of 3128	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	94
PID 2824 wrote to memory of 3128	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	94
PID 2824 wrote to memory of 5076	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	96
PID 2824 wrote to memory of 5076	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	96
PID 2824 wrote to memory of 5076	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	96
PID 4764 wrote to memory of 3292	4764	tvqwpcm.exe	99
PID 4764 wrote to memory of 3292	4764	tvqwpcm.exe	99
PID 4764 wrote to memory of 3292	4764	tvqwpcm.exe	99
PID 4764 wrote to memory of 3292	4764	tvqwpcm.exe	99
PID 4764 wrote to memory of 3292	4764	tvqwpcm.exe	99
PID 2824 wrote to memory of 652	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	100
PID 2824 wrote to memory of 652	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	100
PID 2824 wrote to memory of 652	2824	2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe	100

C:\Users\Admin\AppData\Local\Temp\2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hgdlxxry\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tvqwpcm.exe" C:\Windows\SysWOW64\hgdlxxry\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3212
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hgdlxxry binPath= "C:\Windows\SysWOW64\hgdlxxry\tvqwpcm.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3104
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hgdlxxry "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3128
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hgdlxxry
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5076
- 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:652

C:\Windows\SysWOW64\hgdlxxry\tvqwpcm.exe
C:\Windows\SysWOW64\hgdlxxry\tvqwpcm.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_28a46a2947017a0a320d20e5f9305286_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3292

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\tvqwpcm.exe

Filesize
12.6MB

MD5
b490f9057cd8dc1f4947e7ebb01368a4

SHA1
d7352b62a3a016ec3a333cb495ff07b5951289b9

SHA256
ec0c51f1a68de3f8f9bc14870e1a202b41cf421ec5394e1ffc40b0ca70baddab

SHA512
dfe4c3a61707786cccb15f6b63769f06456c68c1eff075fe3bb6074e9b242dd2e219f5adf97716268c32260a7c900abac3a551cc8c87f227786e5233e1487125

Download Submit
memory/2824-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2824-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2824-2-0x00000000004A0000-0x00000000004B3000-memory.dmp

Filesize
76KB

Download
memory/2824-16-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2824-17-0x00000000004A0000-0x00000000004B3000-memory.dmp

Filesize
76KB

Download
memory/2824-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/3292-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3292-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3292-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3292-20-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3292-21-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4764-15-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4764-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4764-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads