tofsee | 6d68053fd0013708b8ec4aa6cc32dbf158fabf743677e0d58e66ee6c15a17c7c

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/02/2025, 23:35

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General

Target

2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe
Size

14.6MB
MD5

72f81bb38d992efe30cb8376d1a5cbc1
SHA1

399d5b195dfc8e9c6b0429bbc9fb09a18f505b45
SHA256

6d68053fd0013708b8ec4aa6cc32dbf158fabf743677e0d58e66ee6c15a17c7c
SHA512

98fb8437df11fcb48c51a49522e2de73978b38b862f790d5c7b6cda8cbc055eca24193c21cb2853a33a81386be434088c560ea9c76e537a2c5022024461af4c5
SSDEEP

24576:x6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQa:YWdLQk0

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\oyefzvpe = "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
2728	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\oyefzvpe\ImagePath = "C:\\Windows\\SysWOW64\\oyefzvpe\\kmhngtd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2620	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2896	kmhngtd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2896 set thread context of 2620	2896	kmhngtd.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2584	sc.exe
2712	sc.exe
2672	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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_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	kmhngtd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2700	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	31
PID 2748 wrote to memory of 2700	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	31
PID 2748 wrote to memory of 2700	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	31
PID 2748 wrote to memory of 2700	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	31
PID 2748 wrote to memory of 2764	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	33
PID 2748 wrote to memory of 2764	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	33
PID 2748 wrote to memory of 2764	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	33
PID 2748 wrote to memory of 2764	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	33
PID 2748 wrote to memory of 2712	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	35
PID 2748 wrote to memory of 2712	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	35
PID 2748 wrote to memory of 2712	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	35
PID 2748 wrote to memory of 2712	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	35
PID 2748 wrote to memory of 2672	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	37
PID 2748 wrote to memory of 2672	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	37
PID 2748 wrote to memory of 2672	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	37
PID 2748 wrote to memory of 2672	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	37
PID 2748 wrote to memory of 2584	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	39
PID 2748 wrote to memory of 2584	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	39
PID 2748 wrote to memory of 2584	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	39
PID 2748 wrote to memory of 2584	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	39
PID 2748 wrote to memory of 2728	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	42
PID 2748 wrote to memory of 2728	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	42
PID 2748 wrote to memory of 2728	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	42
PID 2748 wrote to memory of 2728	2748	2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe	42
PID 2896 wrote to memory of 2620	2896	kmhngtd.exe	44
PID 2896 wrote to memory of 2620	2896	kmhngtd.exe	44
PID 2896 wrote to memory of 2620	2896	kmhngtd.exe	44
PID 2896 wrote to memory of 2620	2896	kmhngtd.exe	44
PID 2896 wrote to memory of 2620	2896	kmhngtd.exe	44
PID 2896 wrote to memory of 2620	2896	kmhngtd.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\oyefzvpe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kmhngtd.exe" C:\Windows\SysWOW64\oyefzvpe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2764
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create oyefzvpe binPath= "C:\Windows\SysWOW64\oyefzvpe\kmhngtd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2712
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description oyefzvpe "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2672
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start oyefzvpe
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2584
- 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:2728

C:\Windows\SysWOW64\oyefzvpe\kmhngtd.exe
C:\Windows\SysWOW64\oyefzvpe\kmhngtd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-13_72f81bb38d992efe30cb8376d1a5cbc1_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896
- 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:2620

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\kmhngtd.exe

Filesize
12.7MB

MD5
9717a03610054ef804b64919346b0df6

SHA1
26e8c268caac4593d5aefad1c139f1d536727307

SHA256
bb9bdeb2e24d42d08018daa08e53fb065b39674908230936408d12432191e361

SHA512
d6a08930d7d6e414bdd227bd10a17b51c8ed72e38dea8c0566190b427bef545b81e0a536419d19afa3cc64f441fd75a0c4c701eca52c9a661782c9679a698dfa

Download Submit
memory/2620-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2620-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2620-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2620-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2620-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2748-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2748-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2748-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2748-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2748-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2748-1-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/2896-16-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads