tofsee | d296b7c77676b8123039d3e50eb3d651ccfe9731bffca01a64563c32e2f70dc4

Analysis

max time kernel
142s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
12/02/2025, 21:30

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General

Target

2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe
Size

10.3MB
MD5

e781a1bcdb8852c0f8cf2da6a6331cba
SHA1

75680e24b2ae2cbd42bdb2b25f016489c5c6a539
SHA256

d296b7c77676b8123039d3e50eb3d651ccfe9731bffca01a64563c32e2f70dc4
SHA512

5b6f6b20b854a1c3f40481140d8591da2c4343cd67a7381835bb568539efd5926191ccd3da554c14c0f2904c8b63a70da0d9e88f6cb05a79cf40e2b63fc60db7
SSDEEP

6144:VLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQR:mTYe+D2jFu+iZoUFhAzc

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\ooodcobh = "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
2756	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\ooodcobh\ImagePath = "C:\\Windows\\SysWOW64\\ooodcobh\\enhmedyu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2232	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2252	enhmedyu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2252 set thread context of 2232	2252	enhmedyu.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2884	sc.exe
524	sc.exe
2476	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	svchost.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	enhmedyu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 2024	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	31
PID 2576 wrote to memory of 2024	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	31
PID 2576 wrote to memory of 2024	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	31
PID 2576 wrote to memory of 2024	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	31
PID 2576 wrote to memory of 2040	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	33
PID 2576 wrote to memory of 2040	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	33
PID 2576 wrote to memory of 2040	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	33
PID 2576 wrote to memory of 2040	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	33
PID 2576 wrote to memory of 524	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	35
PID 2576 wrote to memory of 524	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	35
PID 2576 wrote to memory of 524	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	35
PID 2576 wrote to memory of 524	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	35
PID 2576 wrote to memory of 2476	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	37
PID 2576 wrote to memory of 2476	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	37
PID 2576 wrote to memory of 2476	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	37
PID 2576 wrote to memory of 2476	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	37
PID 2576 wrote to memory of 2884	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	39
PID 2576 wrote to memory of 2884	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	39
PID 2576 wrote to memory of 2884	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	39
PID 2576 wrote to memory of 2884	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	39
PID 2576 wrote to memory of 2756	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	41
PID 2576 wrote to memory of 2756	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	41
PID 2576 wrote to memory of 2756	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	41
PID 2576 wrote to memory of 2756	2576	2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe	41
PID 2252 wrote to memory of 2232	2252	enhmedyu.exe	44
PID 2252 wrote to memory of 2232	2252	enhmedyu.exe	44
PID 2252 wrote to memory of 2232	2252	enhmedyu.exe	44
PID 2252 wrote to memory of 2232	2252	enhmedyu.exe	44
PID 2252 wrote to memory of 2232	2252	enhmedyu.exe	44
PID 2252 wrote to memory of 2232	2252	enhmedyu.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ooodcobh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2024
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\enhmedyu.exe" C:\Windows\SysWOW64\ooodcobh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2040
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ooodcobh binPath= "C:\Windows\SysWOW64\ooodcobh\enhmedyu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:524
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ooodcobh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2476
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ooodcobh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2884
- 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:2756

C:\Windows\SysWOW64\ooodcobh\enhmedyu.exe
C:\Windows\SysWOW64\ooodcobh\enhmedyu.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-12_e781a1bcdb8852c0f8cf2da6a6331cba_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252
- 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:2232

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\enhmedyu.exe

Filesize
13.9MB

MD5
10805245fadda2e86fab3a0b6d05df23

SHA1
62047b2424531aa5e188b86e6045aa02b3ed763d

SHA256
cc5d8b0ac1b97f38c75667fc68653b15f8185cc17277b37d634fbcbd0baf96ac

SHA512
8c80075d402b42a77cfa3aac6f11a83784d8e83f0be8dfa229cf4e85bd53ed0d03b1b04b5dfe1f12b5007f454d1879d975fc25f714a77d20f28f82037ef736cb

Download Submit
memory/2232-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2232-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2232-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2232-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2232-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2252-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2576-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2576-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2576-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2576-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2576-6-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2576-1-0x0000000000640000-0x0000000000740000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads