tofsee | 0d48a3872b6a054023dd23d1d7927f8861c67620422fa3ba0f5e58f006d8b428

General

Target

2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe
Size

12.9MB
MD5

f55badc54efeb617557e9c7e1e94ebdc
SHA1

5dbce8d054b7d75738b50b2c41efc1a02df90142
SHA256

0d48a3872b6a054023dd23d1d7927f8861c67620422fa3ba0f5e58f006d8b428
SHA512

b00d4363f88222bc0dbd0dc3ab06288486f3c974688b88f1d60604f383574cf1aae6e72bf0e8c3d045fce593dbd1f3647d671f7f5d195f6fcabf24e2b86edbe8
SSDEEP

3072:6LBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:jOMdRQr7OB0ypmMXnl8XEPM3noSWOCR

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
40	1128	Process not Found

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2324	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\xwfcgvtr\ImagePath = "C:\\Windows\\SysWOW64\\xwfcgvtr\\qtztitek.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-1-5-21-1639772215-809007892-4072230623-1000\Control Panel\International\Geo\Nation	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe

Deletes itself 1 IoCs

pid	Process
636	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2216	qtztitek.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2216 set thread context of 636	2216	qtztitek.exe	107

Launches sc.exe 3 IoCs

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

pid	Process
5000	sc.exe
2884	sc.exe
1652	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
704	2056	WerFault.exe	88
3192	2216	WerFault.exe	101

System Location Discovery: System Language Discovery 1 TTPs 10 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qtztitek.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3352	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 4464	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	91
PID 2056 wrote to memory of 4464	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	91
PID 2056 wrote to memory of 4464	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	91
PID 2056 wrote to memory of 1428	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	93
PID 2056 wrote to memory of 1428	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	93
PID 2056 wrote to memory of 1428	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	93
PID 2056 wrote to memory of 1652	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	95
PID 2056 wrote to memory of 1652	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	95
PID 2056 wrote to memory of 1652	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	95
PID 2056 wrote to memory of 5000	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	97
PID 2056 wrote to memory of 5000	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	97
PID 2056 wrote to memory of 5000	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	97
PID 2056 wrote to memory of 2884	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	99
PID 2056 wrote to memory of 2884	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	99
PID 2056 wrote to memory of 2884	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	99
PID 2056 wrote to memory of 2324	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	102
PID 2056 wrote to memory of 2324	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	102
PID 2056 wrote to memory of 2324	2056	2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe	102
PID 2216 wrote to memory of 636	2216	qtztitek.exe	107
PID 2216 wrote to memory of 636	2216	qtztitek.exe	107
PID 2216 wrote to memory of 636	2216	qtztitek.exe	107
PID 2216 wrote to memory of 636	2216	qtztitek.exe	107
PID 2216 wrote to memory of 636	2216	qtztitek.exe	107

C:\Users\Admin\AppData\Local\Temp\2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xwfcgvtr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4464
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qtztitek.exe" C:\Windows\SysWOW64\xwfcgvtr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1428
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xwfcgvtr binPath= "C:\Windows\SysWOW64\xwfcgvtr\qtztitek.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1652
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xwfcgvtr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5000
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xwfcgvtr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2884
- 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:2324
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 652
  2⤵
  - Program crash
  PID:704

C:\Windows\SysWOW64\xwfcgvtr\qtztitek.exe
C:\Windows\SysWOW64\xwfcgvtr\qtztitek.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:636
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 512
  2⤵
  - Program crash
  PID:3192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2056 -ip 2056
1⤵
PID:2716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2216 -ip 2216
1⤵
PID:4700

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI1IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4ODkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTM2NTgwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzE1Mjk3MDYwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3352

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
11.3MB

MD5
6b0549c5570e68bd3644784d6dd57dd1

SHA1
91f140dd9be5f656ec3d3a61bb68336c5cec0b4b

SHA256
fb724fac225722514955e63ea35105e7575b649eac7c48ebc1122bc677486996

SHA512
d01bc1ade463e7a8da2f2d0b607b2d5513ed441bdfeaf9e30f2032d7c0cf744720bce1c5bb90d40525d53becccc189c87e94e803f3c2f386c45746ebdebded63

Download Submit
memory/636-14-0x0000000000F80000-0x0000000000F95000-memory.dmp

Filesize
84KB

Download
memory/636-17-0x0000000000F80000-0x0000000000F95000-memory.dmp

Filesize
84KB

Download
memory/636-16-0x0000000000F80000-0x0000000000F95000-memory.dmp

Filesize
84KB

Download
memory/2056-8-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/2056-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2056-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/2056-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2056-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2056-2-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/2216-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2216-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2216-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2216-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads