tofsee | 69b8ce694676ef83dba8b43ad91865e1c1c1c65e940dc61c85f06620984e2b44

General

Target

2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe
Size

13.2MB
MD5

bad8fe193f8e3dfb32b36fb15db7847c
SHA1

b16ec95b086bde81dec539ccb047b116c4ef956e
SHA256

69b8ce694676ef83dba8b43ad91865e1c1c1c65e940dc61c85f06620984e2b44
SHA512

dc04ddd04e70220d7187a0d5771df3c3f855e79a78730d33e5537a6224ba49dcd6777499ab3a6049cb291a5868ede3204bbcbbc0fc6fa14300b3ed0534e55abc
SSDEEP

6144:QLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQI:FTYe+D2jFu+iZoUFhAz

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
2468	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\zhmgnlau\ImagePath = "C:\\Windows\\SysWOW64\\zhmgnlau\\lkyaolme.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-1-5-21-805940606-1861219160-370298170-1000\Control Panel\International\Geo\Nation	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe

Deletes itself 1 IoCs

pid	Process
632	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4020	lkyaolme.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4020 set thread context of 632	4020	lkyaolme.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
1816	sc.exe
3476	sc.exe
3312	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
3416	4020	WerFault.exe	96
4160	540	WerFault.exe	82

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	lkyaolme.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 2960	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	86
PID 540 wrote to memory of 2960	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	86
PID 540 wrote to memory of 2960	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	86
PID 540 wrote to memory of 264	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	88
PID 540 wrote to memory of 264	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	88
PID 540 wrote to memory of 264	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	88
PID 540 wrote to memory of 1816	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	90
PID 540 wrote to memory of 1816	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	90
PID 540 wrote to memory of 1816	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	90
PID 540 wrote to memory of 3476	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	92
PID 540 wrote to memory of 3476	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	92
PID 540 wrote to memory of 3476	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	92
PID 540 wrote to memory of 3312	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	94
PID 540 wrote to memory of 3312	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	94
PID 540 wrote to memory of 3312	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	94
PID 540 wrote to memory of 2468	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	97
PID 540 wrote to memory of 2468	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	97
PID 540 wrote to memory of 2468	540	2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe	97
PID 4020 wrote to memory of 632	4020	lkyaolme.exe	100
PID 4020 wrote to memory of 632	4020	lkyaolme.exe	100
PID 4020 wrote to memory of 632	4020	lkyaolme.exe	100
PID 4020 wrote to memory of 632	4020	lkyaolme.exe	100
PID 4020 wrote to memory of 632	4020	lkyaolme.exe	100

C:\Users\Admin\AppData\Local\Temp\2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zhmgnlau\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2960
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lkyaolme.exe" C:\Windows\SysWOW64\zhmgnlau\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:264
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zhmgnlau binPath= "C:\Windows\SysWOW64\zhmgnlau\lkyaolme.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1816
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zhmgnlau "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3476
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zhmgnlau
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3312
- 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:2468
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 596
  2⤵
  - Program crash
  PID:4160

C:\Windows\SysWOW64\zhmgnlau\lkyaolme.exe
C:\Windows\SysWOW64\zhmgnlau\lkyaolme.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_bad8fe193f8e3dfb32b36fb15db7847c_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4020
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 512
  2⤵
  - Program crash
  PID:3416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 540 -ip 540
1⤵
PID:2280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4020 -ip 4020
1⤵
PID:1384

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\lkyaolme.exe

Filesize
10.6MB

MD5
13fc5f8dd383257bb7f4ed16e57a04ba

SHA1
e655473b585037b5b3c2a522ff79dd96b18a550b

SHA256
18c4c237cbd17d4b48bc5d9b4998b583ceccb065f237303aba96577a3cf733f9

SHA512
ac19e38319733f0159cabe6ed62fb03b53c0b5f395c7313acc39c88008ba67049886a867c3e8cac4aebcdf966de5448ea234100a17bfc460784efd5e8fd47e87

Download Submit
memory/540-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/540-2-0x0000000000610000-0x0000000000623000-memory.dmp

Filesize
76KB

Download
memory/540-13-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/540-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/540-18-0x0000000000610000-0x0000000000623000-memory.dmp

Filesize
76KB

Download
memory/540-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/540-1-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/632-20-0x0000000000450000-0x0000000000465000-memory.dmp

Filesize
84KB

Download
memory/632-22-0x0000000000450000-0x0000000000465000-memory.dmp

Filesize
84KB

Download
memory/632-10-0x0000000000450000-0x0000000000465000-memory.dmp

Filesize
84KB

Download
memory/632-21-0x0000000000450000-0x0000000000465000-memory.dmp

Filesize
84KB

Download
memory/632-14-0x0000000000450000-0x0000000000465000-memory.dmp

Filesize
84KB

Download
memory/4020-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4020-16-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4020-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads