tofsee | 7690f8c76d9dc0d466502e90e3bdd76a65d686951689cd8206fe4f52c7d8dd15

General

Target

2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe
Size

12.5MB
MD5

63ecc6ae5ead70756bc0cfb4d32a8420
SHA1

8d1f15b231dc76c997f9819a76024570e560b196
SHA256

7690f8c76d9dc0d466502e90e3bdd76a65d686951689cd8206fe4f52c7d8dd15
SHA512

d653d485e465d9e264be720e063d30278957463c04bf46a5876dd1e206fb901afa1ea29c81313757f73452bf4db29dc5d0d605367226b9a0a922472b8b2e5838
SSDEEP

24576:WEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZd:Pfot

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
1328	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\jiivyqnz\ImagePath = "C:\\Windows\\SysWOW64\\jiivyqnz\\genoxtie.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	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe

Deletes itself 1 IoCs

pid	Process
3392	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
428	genoxtie.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 428 set thread context of 3392	428	genoxtie.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
3660	sc.exe
4288	sc.exe
1832	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
2064	812	WerFault.exe	82
2764	428	WerFault.exe	96

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	genoxtie.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_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	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 812 wrote to memory of 116	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	86
PID 812 wrote to memory of 116	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	86
PID 812 wrote to memory of 116	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	86
PID 812 wrote to memory of 3884	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	88
PID 812 wrote to memory of 3884	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	88
PID 812 wrote to memory of 3884	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	88
PID 812 wrote to memory of 3660	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	90
PID 812 wrote to memory of 3660	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	90
PID 812 wrote to memory of 3660	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	90
PID 812 wrote to memory of 4288	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	92
PID 812 wrote to memory of 4288	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	92
PID 812 wrote to memory of 4288	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	92
PID 812 wrote to memory of 1832	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	94
PID 812 wrote to memory of 1832	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	94
PID 812 wrote to memory of 1832	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	94
PID 812 wrote to memory of 1328	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	97
PID 812 wrote to memory of 1328	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	97
PID 812 wrote to memory of 1328	812	2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe	97
PID 428 wrote to memory of 3392	428	genoxtie.exe	102
PID 428 wrote to memory of 3392	428	genoxtie.exe	102
PID 428 wrote to memory of 3392	428	genoxtie.exe	102
PID 428 wrote to memory of 3392	428	genoxtie.exe	102
PID 428 wrote to memory of 3392	428	genoxtie.exe	102

C:\Users\Admin\AppData\Local\Temp\2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jiivyqnz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\genoxtie.exe" C:\Windows\SysWOW64\jiivyqnz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3884
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jiivyqnz binPath= "C:\Windows\SysWOW64\jiivyqnz\genoxtie.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3660
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jiivyqnz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4288
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jiivyqnz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1832
- 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:1328
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 812 -s 1040
  2⤵
  - Program crash
  PID:2064

C:\Windows\SysWOW64\jiivyqnz\genoxtie.exe
C:\Windows\SysWOW64\jiivyqnz\genoxtie.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-29_63ecc6ae5ead70756bc0cfb4d32a8420_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:428
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3392
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 428 -s 516
  2⤵
  - Program crash
  PID:2764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 812 -ip 812
1⤵
PID:3384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 428 -ip 428
1⤵
PID:2012

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\genoxtie.exe

Filesize
13.9MB

MD5
686895e795eae2b68deabd35862ae94a

SHA1
96f626d44d2cd042397da3e5b378d68b2fae5bc1

SHA256
2f6a585609954a8cc41c2221cbe83bd13ae7e259e19a60d0b80922e748b8c258

SHA512
3a5d8ef9206d4c693696d72ea4a95dc3fc1d5f2705576be3293de0b0baf376895c8e8c5e4a46e12925b2a91809e137ac3cfecdb6bcac7a39e76ee45efa5acb47

Download Submit
memory/428-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/428-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/428-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/428-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/812-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/812-2-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/812-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/812-8-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/812-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/812-1-0x00000000006D0000-0x00000000007D0000-memory.dmp

Filesize
1024KB

Download
memory/3392-14-0x0000000000560000-0x0000000000575000-memory.dmp

Filesize
84KB

Download
memory/3392-16-0x0000000000560000-0x0000000000575000-memory.dmp

Filesize
84KB

Download
memory/3392-17-0x0000000000560000-0x0000000000575000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads