tofsee | 192386732793c770bb79aa48d08b07157d91ffbea0b8c160a375332449315427

General

Target

2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe
Size

12.9MB
MD5

9c9b17f6b73a1ae4ba6aa8f18683baf6
SHA1

7c93481fdddda48753403d62faf2e624d126bbcc
SHA256

192386732793c770bb79aa48d08b07157d91ffbea0b8c160a375332449315427
SHA512

4a4775f3f14d81c5d050129ae08b43530361386e8cde310038201d8989d8067c3436432d7ff8508acb9a47ff774855086f608a87c28345a791d39f5b864ba46a
SSDEEP

3072:9LBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:AOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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
32	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\xomzfkns\ImagePath = "C:\\Windows\\SysWOW64\\xomzfkns\\uqiifuth.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe

Deletes itself 1 IoCs

pid	Process
2408	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1608	uqiifuth.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1608 set thread context of 2408	1608	uqiifuth.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
3512	sc.exe
3984	sc.exe
2020	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
1540	2884	WerFault.exe	82
2456	1608	WerFault.exe	93

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	sc.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	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uqiifuth.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 4576	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	83
PID 2884 wrote to memory of 4576	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	83
PID 2884 wrote to memory of 4576	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	83
PID 2884 wrote to memory of 3484	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	85
PID 2884 wrote to memory of 3484	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	85
PID 2884 wrote to memory of 3484	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	85
PID 2884 wrote to memory of 3512	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	87
PID 2884 wrote to memory of 3512	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	87
PID 2884 wrote to memory of 3512	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	87
PID 2884 wrote to memory of 3984	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	89
PID 2884 wrote to memory of 3984	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	89
PID 2884 wrote to memory of 3984	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	89
PID 2884 wrote to memory of 2020	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	91
PID 2884 wrote to memory of 2020	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	91
PID 2884 wrote to memory of 2020	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	91
PID 2884 wrote to memory of 32	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	94
PID 2884 wrote to memory of 32	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	94
PID 2884 wrote to memory of 32	2884	2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe	94
PID 1608 wrote to memory of 2408	1608	uqiifuth.exe	100
PID 1608 wrote to memory of 2408	1608	uqiifuth.exe	100
PID 1608 wrote to memory of 2408	1608	uqiifuth.exe	100
PID 1608 wrote to memory of 2408	1608	uqiifuth.exe	100
PID 1608 wrote to memory of 2408	1608	uqiifuth.exe	100

C:\Users\Admin\AppData\Local\Temp\2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xomzfkns\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uqiifuth.exe" C:\Windows\SysWOW64\xomzfkns\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3484
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xomzfkns binPath= "C:\Windows\SysWOW64\xomzfkns\uqiifuth.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3512
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xomzfkns "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3984
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xomzfkns
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2020
- 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:32
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 1044
  2⤵
  - Program crash
  PID:1540

C:\Windows\SysWOW64\xomzfkns\uqiifuth.exe
C:\Windows\SysWOW64\xomzfkns\uqiifuth.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-26_9c9b17f6b73a1ae4ba6aa8f18683baf6_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2408
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 508
  2⤵
  - Program crash
  PID:2456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2884 -ip 2884
1⤵
PID:400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1608 -ip 1608
1⤵
PID:4520

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\uqiifuth.exe

Filesize
11.6MB

MD5
cb0c931541e9fc73ac2847fa4222fe2b

SHA1
186a9da1a462953f4cd10938c418d6c916b80ffa

SHA256
21b70b9d34cc4456dea3c340c60e63e6af910ca6ceaab62694cea3ad558717bf

SHA512
5a73ea10f5e0f62a8e463643fdc0a96883573b9719590df9b605e3c101fb3b0dba3c803002cff4bb967a54792ad7214a38b36ad80c794c1115c33122896c7917

Download Submit
memory/1608-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1608-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1608-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1608-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2408-14-0x00000000010A0000-0x00000000010B5000-memory.dmp

Filesize
84KB

Download
memory/2408-16-0x00000000010A0000-0x00000000010B5000-memory.dmp

Filesize
84KB

Download
memory/2408-17-0x00000000010A0000-0x00000000010B5000-memory.dmp

Filesize
84KB

Download
memory/2884-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2884-1-0x00000000007E0000-0x00000000008E0000-memory.dmp

Filesize
1024KB

Download
memory/2884-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2884-8-0x0000000000620000-0x0000000000633000-memory.dmp

Filesize
76KB

Download
memory/2884-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2884-2-0x0000000000620000-0x0000000000633000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads