tofsee | 03dcd9a4ca3d6cbe61a3cdf5684649233e6036a584ed389739088adf58530998

Analysis

max time kernel
146s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-02-2025 20:59

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General

Target

2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe
Size

13.4MB
MD5

4858645e5dfe2b3c29b52ad93c9a0167
SHA1

3a33f59845824f55e75501dcc58fe9db7510bb21
SHA256

03dcd9a4ca3d6cbe61a3cdf5684649233e6036a584ed389739088adf58530998
SHA512

591a17c10b1dd9563f8d0d9372cd3a575196b8f84738a4b0087e78e62f3f704364132e2aeee1bd2fab494ca09b3a131835e369ab3b214edee3f2e6996083d23d
SSDEEP

3072:NLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:QOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\dhjhgbjt = "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
2724	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\dhjhgbjt\ImagePath = "C:\\Windows\\SysWOW64\\dhjhgbjt\\npitaiwm.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2196	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2776	npitaiwm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2776 set thread context of 2196	2776	npitaiwm.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2464	sc.exe
2112	sc.exe
2916	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	npitaiwm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe
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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2084	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	31
PID 2364 wrote to memory of 2084	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	31
PID 2364 wrote to memory of 2084	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	31
PID 2364 wrote to memory of 2084	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	31
PID 2364 wrote to memory of 2804	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	33
PID 2364 wrote to memory of 2804	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	33
PID 2364 wrote to memory of 2804	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	33
PID 2364 wrote to memory of 2804	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	33
PID 2364 wrote to memory of 2464	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	35
PID 2364 wrote to memory of 2464	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	35
PID 2364 wrote to memory of 2464	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	35
PID 2364 wrote to memory of 2464	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	35
PID 2364 wrote to memory of 2112	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	37
PID 2364 wrote to memory of 2112	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	37
PID 2364 wrote to memory of 2112	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	37
PID 2364 wrote to memory of 2112	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	37
PID 2364 wrote to memory of 2916	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	39
PID 2364 wrote to memory of 2916	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	39
PID 2364 wrote to memory of 2916	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	39
PID 2364 wrote to memory of 2916	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	39
PID 2776 wrote to memory of 2196	2776	npitaiwm.exe	42
PID 2776 wrote to memory of 2196	2776	npitaiwm.exe	42
PID 2776 wrote to memory of 2196	2776	npitaiwm.exe	42
PID 2776 wrote to memory of 2196	2776	npitaiwm.exe	42
PID 2776 wrote to memory of 2196	2776	npitaiwm.exe	42
PID 2776 wrote to memory of 2196	2776	npitaiwm.exe	42
PID 2364 wrote to memory of 2724	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	43
PID 2364 wrote to memory of 2724	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	43
PID 2364 wrote to memory of 2724	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	43
PID 2364 wrote to memory of 2724	2364	2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dhjhgbjt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2084
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\npitaiwm.exe" C:\Windows\SysWOW64\dhjhgbjt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dhjhgbjt binPath= "C:\Windows\SysWOW64\dhjhgbjt\npitaiwm.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2464
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dhjhgbjt "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2112
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dhjhgbjt
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2916
- 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:2724

C:\Windows\SysWOW64\dhjhgbjt\npitaiwm.exe
C:\Windows\SysWOW64\dhjhgbjt\npitaiwm.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2776
- 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:2196

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\npitaiwm.exe

Filesize
10.4MB

MD5
d1eb4be000b34491859e4a88c8b4c34b

SHA1
bc7d896330750ffc890c1439755c6867c70b0db4

SHA256
9cb0dc44c35664d9721c90b5086c4ec1c42efa2dd70457ca625e2137f4b3f9d4

SHA512
cd05a7b3f1ddd26a651e3b69057a8c251cc55c4b5065abe1538a1cdfefa85bb1a09412e474be29173fcf5d7ce05359e04680c9265f6b9cb75feba60bb06d580a

Download Submit
memory/2196-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2196-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2196-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2196-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2196-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2364-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2364-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2364-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/2364-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2364-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2364-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2776-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads