tofsee | 8711e4d61eada87960a6eabf68333d34eb77be617505928c39dbbca8970a23aa

General

Target

2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe
Size

12.7MB
MD5

23149380cb2e21f3ac8604d27606930f
SHA1

8336412d09509079439da4ed413caebe4396cb0b
SHA256

8711e4d61eada87960a6eabf68333d34eb77be617505928c39dbbca8970a23aa
SHA512

3472ea7bd514674d35a2af413709e2494115845c29b575f20aa868eceb6dbc507fac19ed956370c9b7afe158af6cb4ab9849c2a6b43ddcc44dfd84246ac3197e
SSDEEP

24576:7pomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttX:Noo

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
4356	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\yzjczbtx\ImagePath = "C:\\Windows\\SysWOW64\\yzjczbtx\\qlphxiki.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-1-5-21-70482961-775596374-3727440602-1000\Control Panel\International\Geo\Nation	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe

Deletes itself 1 IoCs

pid	Process
2204	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2692	qlphxiki.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2692 set thread context of 2204	2692	qlphxiki.exe	105

Launches sc.exe 3 IoCs

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

pid	Process
4664	sc.exe
3952	sc.exe
1580	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2404	2940	WerFault.exe	82
1196	2692	WerFault.exe	102

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	cmd.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	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qlphxiki.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 2536	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	89
PID 2940 wrote to memory of 2536	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	89
PID 2940 wrote to memory of 2536	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	89
PID 2940 wrote to memory of 1704	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	91
PID 2940 wrote to memory of 1704	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	91
PID 2940 wrote to memory of 1704	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	91
PID 2940 wrote to memory of 4664	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	93
PID 2940 wrote to memory of 4664	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	93
PID 2940 wrote to memory of 4664	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	93
PID 2940 wrote to memory of 3952	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	95
PID 2940 wrote to memory of 3952	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	95
PID 2940 wrote to memory of 3952	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	95
PID 2940 wrote to memory of 1580	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	97
PID 2940 wrote to memory of 1580	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	97
PID 2940 wrote to memory of 1580	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	97
PID 2940 wrote to memory of 4356	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	99
PID 2940 wrote to memory of 4356	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	99
PID 2940 wrote to memory of 4356	2940	2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe	99
PID 2692 wrote to memory of 2204	2692	qlphxiki.exe	105
PID 2692 wrote to memory of 2204	2692	qlphxiki.exe	105
PID 2692 wrote to memory of 2204	2692	qlphxiki.exe	105
PID 2692 wrote to memory of 2204	2692	qlphxiki.exe	105
PID 2692 wrote to memory of 2204	2692	qlphxiki.exe	105

C:\Users\Admin\AppData\Local\Temp\2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\yzjczbtx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2536
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qlphxiki.exe" C:\Windows\SysWOW64\yzjczbtx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create yzjczbtx binPath= "C:\Windows\SysWOW64\yzjczbtx\qlphxiki.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description yzjczbtx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3952
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start yzjczbtx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1580
- 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:4356
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2940 -s 1044
  2⤵
  - Program crash
  PID:2404

C:\Windows\SysWOW64\yzjczbtx\qlphxiki.exe
C:\Windows\SysWOW64\yzjczbtx\qlphxiki.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_23149380cb2e21f3ac8604d27606930f_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2204
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 508
  2⤵
  - Program crash
  PID:1196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2940 -ip 2940
1⤵
PID:1292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2692 -ip 2692
1⤵
PID:2996

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\qlphxiki.exe

Filesize
10.7MB

MD5
1b1b869f94711ee34be445f280e4af0a

SHA1
ba278f9a2e30cfab60fad4e8fbf10773ae26a71e

SHA256
5aea281a1865f690ca9ea35ad62708569e615e4fdf047cc186900d856eb64c68

SHA512
f765b7a7ae6213bbd72ed8ed239045cbda48be54fd53bd981deeebd400214d039050344898e94a5fbba476e14ffea43e77c9ea02096f87052494b2283dc72835

Download Submit
memory/2204-18-0x0000000000DD0000-0x0000000000DE5000-memory.dmp

Filesize
84KB

Download
memory/2204-15-0x0000000000DD0000-0x0000000000DE5000-memory.dmp

Filesize
84KB

Download
memory/2204-17-0x0000000000DD0000-0x0000000000DE5000-memory.dmp

Filesize
84KB

Download
memory/2692-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2692-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2692-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2692-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2940-9-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/2940-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2940-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2940-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2940-2-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/2940-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2940-1-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads