tofsee | d3c0e377a3f6c5a21528d5440de0378d64c7277bca9f65e4942d79b60f5d0197

Analysis

max time kernel
144s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06-02-2025 06:07

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General

Target

2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe
Size

11.0MB
MD5

9f4c0627ea07f2500c36b904a510be48
SHA1

030bc5f580aeb4d1d154e88255e42867bf3f1993
SHA256

d3c0e377a3f6c5a21528d5440de0378d64c7277bca9f65e4942d79b60f5d0197
SHA512

7d439fc2d821d0a4fb9650785836a966eb64744be27981fd057e7345b75cb4c14d34a6fcb96353b715c88b855bb5fb3907b00f5ff52456334ea25a7ea1f4af2a
SSDEEP

3072:0LBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/u:xOMdRQr7OB0ypmMXnl8XEPM3noSWOC1

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\hnhnalkb = "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
3056	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\hnhnalkb\ImagePath = "C:\\Windows\\SysWOW64\\hnhnalkb\\gghsnomu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2680	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2740	gghsnomu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2740 set thread context of 2680	2740	gghsnomu.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2300	sc.exe
580	sc.exe
2668	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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gghsnomu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 2056	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	30
PID 1864 wrote to memory of 2056	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	30
PID 1864 wrote to memory of 2056	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	30
PID 1864 wrote to memory of 2056	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	30
PID 1864 wrote to memory of 2352	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	32
PID 1864 wrote to memory of 2352	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	32
PID 1864 wrote to memory of 2352	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	32
PID 1864 wrote to memory of 2352	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	32
PID 1864 wrote to memory of 2300	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	34
PID 1864 wrote to memory of 2300	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	34
PID 1864 wrote to memory of 2300	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	34
PID 1864 wrote to memory of 2300	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	34
PID 1864 wrote to memory of 580	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	36
PID 1864 wrote to memory of 580	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	36
PID 1864 wrote to memory of 580	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	36
PID 1864 wrote to memory of 580	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	36
PID 1864 wrote to memory of 2668	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	38
PID 1864 wrote to memory of 2668	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	38
PID 1864 wrote to memory of 2668	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	38
PID 1864 wrote to memory of 2668	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	38
PID 2740 wrote to memory of 2680	2740	gghsnomu.exe	41
PID 2740 wrote to memory of 2680	2740	gghsnomu.exe	41
PID 2740 wrote to memory of 2680	2740	gghsnomu.exe	41
PID 2740 wrote to memory of 2680	2740	gghsnomu.exe	41
PID 2740 wrote to memory of 2680	2740	gghsnomu.exe	41
PID 2740 wrote to memory of 2680	2740	gghsnomu.exe	41
PID 1864 wrote to memory of 3056	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	42
PID 1864 wrote to memory of 3056	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	42
PID 1864 wrote to memory of 3056	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	42
PID 1864 wrote to memory of 3056	1864	2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1864
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hnhnalkb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gghsnomu.exe" C:\Windows\SysWOW64\hnhnalkb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2352
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hnhnalkb binPath= "C:\Windows\SysWOW64\hnhnalkb\gghsnomu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2300
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hnhnalkb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:580
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hnhnalkb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2668
- 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:3056

C:\Windows\SysWOW64\hnhnalkb\gghsnomu.exe
C:\Windows\SysWOW64\hnhnalkb\gghsnomu.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-06_9f4c0627ea07f2500c36b904a510be48_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740
- 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:2680

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\gghsnomu.exe

Filesize
12.7MB

MD5
5b58cfa58a33cbeb62962960477683a2

SHA1
8300923a06e2a4d4c87b3ccfdc36536243540c85

SHA256
ed036f406cc44d1ea45f15fa46d9b8f2c6b160caf78c1e364122642b9453119f

SHA512
4798ba23a606856dadf0885014e2470e1d795d2c85f0b54830dd4915ec6f350f39164a58389b921c40477e63802500d5d7f7b36efb580f3c80de872369bc526e

Download Submit
memory/1864-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1864-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1864-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/1864-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1864-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1864-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2680-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2740-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads