tofsee | b147e4cc2fce55d970a4a30890b0818c0b46cc33fd16cb0f33451d2ff50c4baf

Analysis

max time kernel
144s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 19:54

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General

Target

2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe
Size

11.4MB
MD5

479648eb2561691a81eb4c5a850e48a0
SHA1

4d3d825f85dcb0901a219add3176a686fdc6a72b
SHA256

b147e4cc2fce55d970a4a30890b0818c0b46cc33fd16cb0f33451d2ff50c4baf
SHA512

6214f07b23740e4204c3b6e9b20b5e76098a7fd4164d9491965a2427eb3817bec29e3a9642bea673b8128bd4e029d4c84b50bd099530238fab8baab21c5a4dd1
SSDEEP

49152:0qE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:0qtYc3

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\sgnecsln = "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
2840	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\sgnecsln\ImagePath = "C:\\Windows\\SysWOW64\\sgnecsln\\zzalghfn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2712	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2916	zzalghfn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2916 set thread context of 2712	2916	zzalghfn.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2924	sc.exe
2040	sc.exe
2864	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

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	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zzalghfn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 2384	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	30
PID 1804 wrote to memory of 2384	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	30
PID 1804 wrote to memory of 2384	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	30
PID 1804 wrote to memory of 2384	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	30
PID 1804 wrote to memory of 2312	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	32
PID 1804 wrote to memory of 2312	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	32
PID 1804 wrote to memory of 2312	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	32
PID 1804 wrote to memory of 2312	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	32
PID 1804 wrote to memory of 2924	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	34
PID 1804 wrote to memory of 2924	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	34
PID 1804 wrote to memory of 2924	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	34
PID 1804 wrote to memory of 2924	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	34
PID 1804 wrote to memory of 2040	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	36
PID 1804 wrote to memory of 2040	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	36
PID 1804 wrote to memory of 2040	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	36
PID 1804 wrote to memory of 2040	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	36
PID 1804 wrote to memory of 2864	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	38
PID 1804 wrote to memory of 2864	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	38
PID 1804 wrote to memory of 2864	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	38
PID 1804 wrote to memory of 2864	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	38
PID 2916 wrote to memory of 2712	2916	zzalghfn.exe	41
PID 2916 wrote to memory of 2712	2916	zzalghfn.exe	41
PID 2916 wrote to memory of 2712	2916	zzalghfn.exe	41
PID 2916 wrote to memory of 2712	2916	zzalghfn.exe	41
PID 2916 wrote to memory of 2712	2916	zzalghfn.exe	41
PID 2916 wrote to memory of 2712	2916	zzalghfn.exe	41
PID 1804 wrote to memory of 2840	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	42
PID 1804 wrote to memory of 2840	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	42
PID 1804 wrote to memory of 2840	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	42
PID 1804 wrote to memory of 2840	1804	2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sgnecsln\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2384
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zzalghfn.exe" C:\Windows\SysWOW64\sgnecsln\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2312
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create sgnecsln binPath= "C:\Windows\SysWOW64\sgnecsln\zzalghfn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2924
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description sgnecsln "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2040
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start sgnecsln
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2864
- 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:2840

C:\Windows\SysWOW64\sgnecsln\zzalghfn.exe
C:\Windows\SysWOW64\sgnecsln\zzalghfn.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_479648eb2561691a81eb4c5a850e48a0_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916
- 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:2712

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\zzalghfn.exe

Filesize
12.7MB

MD5
92e398ff46d606196cf864e83cd93182

SHA1
1163e07c89d1fa8454e7347bfb44188f69cb671d

SHA256
5bda9c13c53fb94b710586236c1e11e4099409a85ccdf95e8506aac5647e0f67

SHA512
035cbcda243bffd207d051c7c23d3a9a6fe55e7e62045074999ca43682d876bca017bc60ba31cffe69115dc55a2443964f2cfe5a9d8596f7fe6c8b66ac619d83

Download Submit
memory/1804-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1804-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/1804-4-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/1804-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1804-15-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2712-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2712-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2712-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2712-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2916-13-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads