tofsee | 65744d1fc2a6e583258dd9134447c94053c2fc875058b4e98e7c3b562b5597cb

Analysis

max time kernel
144s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-02-2025 21:03

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General

Target

2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe
Size

13.7MB
MD5

57d27b6113c97e0701143f9b74c6b251
SHA1

0b1e6f6725283c90b092f0407c1b26a8d06b7327
SHA256

65744d1fc2a6e583258dd9134447c94053c2fc875058b4e98e7c3b562b5597cb
SHA512

f519efd94de05de0186191ed54a9ea3876ca2ae81431b5aafc675a5ece29d3bb87a7afcdb418cf750142d3aaa89a3903f84a2a74827c961d6ae4661e4c642acd
SSDEEP

3072:zLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:6OMdRQr7OB0ypmMXnl8XEPM3noSWOC

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\qaltakbi = "0"	svchost.exe

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
3020	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\qaltakbi\ImagePath = "C:\\Windows\\SysWOW64\\qaltakbi\\irlqihcy.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1856	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2568	irlqihcy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2568 set thread context of 1856	2568	irlqihcy.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2748	sc.exe
2832	sc.exe
3036	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

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-03_57d27b6113c97e0701143f9b74c6b251_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	irlqihcy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2812	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	30
PID 2124 wrote to memory of 2812	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	30
PID 2124 wrote to memory of 2812	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	30
PID 2124 wrote to memory of 2812	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	30
PID 2124 wrote to memory of 2708	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	32
PID 2124 wrote to memory of 2708	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	32
PID 2124 wrote to memory of 2708	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	32
PID 2124 wrote to memory of 2708	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	32
PID 2124 wrote to memory of 2832	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	34
PID 2124 wrote to memory of 2832	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	34
PID 2124 wrote to memory of 2832	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	34
PID 2124 wrote to memory of 2832	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	34
PID 2124 wrote to memory of 3036	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	36
PID 2124 wrote to memory of 3036	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	36
PID 2124 wrote to memory of 3036	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	36
PID 2124 wrote to memory of 3036	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	36
PID 2124 wrote to memory of 2748	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	38
PID 2124 wrote to memory of 2748	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	38
PID 2124 wrote to memory of 2748	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	38
PID 2124 wrote to memory of 2748	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	38
PID 2568 wrote to memory of 1856	2568	irlqihcy.exe	41
PID 2568 wrote to memory of 1856	2568	irlqihcy.exe	41
PID 2568 wrote to memory of 1856	2568	irlqihcy.exe	41
PID 2568 wrote to memory of 1856	2568	irlqihcy.exe	41
PID 2568 wrote to memory of 1856	2568	irlqihcy.exe	41
PID 2568 wrote to memory of 1856	2568	irlqihcy.exe	41
PID 2124 wrote to memory of 3020	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	42
PID 2124 wrote to memory of 3020	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	42
PID 2124 wrote to memory of 3020	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	42
PID 2124 wrote to memory of 3020	2124	2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qaltakbi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\irlqihcy.exe" C:\Windows\SysWOW64\qaltakbi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2708
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qaltakbi binPath= "C:\Windows\SysWOW64\qaltakbi\irlqihcy.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qaltakbi "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3036
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qaltakbi
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2748
- 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:3020

C:\Windows\SysWOW64\qaltakbi\irlqihcy.exe
C:\Windows\SysWOW64\qaltakbi\irlqihcy.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-03_57d27b6113c97e0701143f9b74c6b251_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\irlqihcy.exe

Filesize
13.6MB

MD5
cd3e9b867563fc187f8a3fbb1b0c62c8

SHA1
0f8a771dd11eb4e55a009f8f83afe15635b36639

SHA256
8119351bcb0fed28ae2691ac2d850ef94fd34de9ff0149d39111594be9787443

SHA512
3006b40b427f13cb2ebb1263f700e7ffaeb68cc689bdd676e72f6e34bf0a1556154c4302f014547276ba1c25159fd067192b5b993480bfd3c3c63b370a8371ba

Download Submit
memory/1856-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1856-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1856-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1856-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1856-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2124-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2124-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2124-1-0x00000000005D0000-0x00000000006D0000-memory.dmp

Filesize
1024KB

Download
memory/2124-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2124-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2124-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2568-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads