tofsee | b74ea2c28c3157d6261d1ad2700137a9e2beb81145a433b5d16c0fcbf8fe79ba

General

Target

2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe
Size

13.6MB
MD5

aea54ad2d5cbdd85e9515c75e4849edd
SHA1

6dbcaabb7b0db5779c88b64d53ab1d97cfc9e686
SHA256

b74ea2c28c3157d6261d1ad2700137a9e2beb81145a433b5d16c0fcbf8fe79ba
SHA512

410d52366122a1d8d48626a961e1d534bc72ac32f979fbdcda97abd0f278994c701315ccbf8c5a3101fbc2a59eddae61af155d91e095b5cfc6cb36bac366abe3
SSDEEP

24576:fpomTTN9ttttttttttttttttttttttttttttttttttttttttttttttttttttttt9:Roo

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
4052	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\itrtuqyh\ImagePath = "C:\\Windows\\SysWOW64\\itrtuqyh\\godhusbb.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-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe

Deletes itself 1 IoCs

pid	Process
3512	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2536	godhusbb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2536 set thread context of 3512	2536	godhusbb.exe	105

Launches sc.exe 3 IoCs

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

pid	Process
2520	sc.exe
1640	sc.exe
1912	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
2736	632	WerFault.exe	83
448	2536	WerFault.exe	98

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	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.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	godhusbb.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 1252	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	88
PID 632 wrote to memory of 1252	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	88
PID 632 wrote to memory of 1252	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	88
PID 632 wrote to memory of 2164	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	90
PID 632 wrote to memory of 2164	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	90
PID 632 wrote to memory of 2164	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	90
PID 632 wrote to memory of 1912	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	92
PID 632 wrote to memory of 1912	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	92
PID 632 wrote to memory of 1912	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	92
PID 632 wrote to memory of 2520	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	94
PID 632 wrote to memory of 2520	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	94
PID 632 wrote to memory of 2520	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	94
PID 632 wrote to memory of 1640	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	96
PID 632 wrote to memory of 1640	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	96
PID 632 wrote to memory of 1640	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	96
PID 632 wrote to memory of 4052	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	99
PID 632 wrote to memory of 4052	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	99
PID 632 wrote to memory of 4052	632	2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe	99
PID 2536 wrote to memory of 3512	2536	godhusbb.exe	105
PID 2536 wrote to memory of 3512	2536	godhusbb.exe	105
PID 2536 wrote to memory of 3512	2536	godhusbb.exe	105
PID 2536 wrote to memory of 3512	2536	godhusbb.exe	105
PID 2536 wrote to memory of 3512	2536	godhusbb.exe	105

C:\Users\Admin\AppData\Local\Temp\2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:632
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\itrtuqyh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1252
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\godhusbb.exe" C:\Windows\SysWOW64\itrtuqyh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2164
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create itrtuqyh binPath= "C:\Windows\SysWOW64\itrtuqyh\godhusbb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1912
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description itrtuqyh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2520
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start itrtuqyh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1640
- 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:4052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 1200
  2⤵
  - Program crash
  PID:2736

C:\Windows\SysWOW64\itrtuqyh\godhusbb.exe
C:\Windows\SysWOW64\itrtuqyh\godhusbb.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-03_aea54ad2d5cbdd85e9515c75e4849edd_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3512
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 512
  2⤵
  - Program crash
  PID:448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 632 -ip 632
1⤵
PID:3516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2536 -ip 2536
1⤵
PID:512

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\godhusbb.exe

Filesize
10.2MB

MD5
e02f1ce74868b1076ef53707fad4cbcf

SHA1
61d86bcc57efd38976ffe27ec4610d9d192b9560

SHA256
6320679ae4370a1d5c2e691e2b925c66c82b9d70878599f67cf2d16de4b194cf

SHA512
814fd59fc556fc834a66a4f91cccfd03370870cd1411cf0ec5c1033012cab95a7c8b15d211793410336fa19f7852c8066160313aa4b087daad3820628ddcb54b

Download Submit
memory/632-8-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/632-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/632-2-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/632-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/632-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/632-1-0x0000000000600000-0x0000000000700000-memory.dmp

Filesize
1024KB

Download
memory/2536-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2536-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2536-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2536-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3512-14-0x0000000000590000-0x00000000005A5000-memory.dmp

Filesize
84KB

Download
memory/3512-16-0x0000000000590000-0x00000000005A5000-memory.dmp

Filesize
84KB

Download
memory/3512-17-0x0000000000590000-0x00000000005A5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads