tofsee | 34fa1ec69a9bf956160c9ebcd19f5fa1cb856f92a4f06148682d150a8a2a4417

Analysis

max time kernel
144s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 20:33

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General

Target

2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe
Size

12.2MB
MD5

b0af9ab857da603db7f5ca223f96ec20
SHA1

4d8ddfddc599382819c03d96fc1050adbb76b56f
SHA256

34fa1ec69a9bf956160c9ebcd19f5fa1cb856f92a4f06148682d150a8a2a4417
SHA512

20c7598e64398fb8da3303079ede0edd792a962af8da52de5685c48656e14124a07379f47c5b52b57f6d3993601d885ebbff71bfb012b57e7575f31f33efdab7
SSDEEP

393216:IXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX3:

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\bmjovrzu = "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
2796	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\bmjovrzu\ImagePath = "C:\\Windows\\SysWOW64\\bmjovrzu\\eqpdoyga.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2540	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2656	eqpdoyga.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2656 set thread context of 2540	2656	eqpdoyga.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2688	sc.exe
2852	sc.exe
2252	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	eqpdoyga.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 832	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	31
PID 2052 wrote to memory of 832	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	31
PID 2052 wrote to memory of 832	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	31
PID 2052 wrote to memory of 832	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	31
PID 2052 wrote to memory of 2924	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	33
PID 2052 wrote to memory of 2924	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	33
PID 2052 wrote to memory of 2924	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	33
PID 2052 wrote to memory of 2924	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	33
PID 2052 wrote to memory of 2252	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	35
PID 2052 wrote to memory of 2252	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	35
PID 2052 wrote to memory of 2252	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	35
PID 2052 wrote to memory of 2252	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	35
PID 2052 wrote to memory of 2688	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	37
PID 2052 wrote to memory of 2688	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	37
PID 2052 wrote to memory of 2688	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	37
PID 2052 wrote to memory of 2688	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	37
PID 2052 wrote to memory of 2852	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	39
PID 2052 wrote to memory of 2852	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	39
PID 2052 wrote to memory of 2852	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	39
PID 2052 wrote to memory of 2852	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	39
PID 2656 wrote to memory of 2540	2656	eqpdoyga.exe	42
PID 2656 wrote to memory of 2540	2656	eqpdoyga.exe	42
PID 2656 wrote to memory of 2540	2656	eqpdoyga.exe	42
PID 2656 wrote to memory of 2540	2656	eqpdoyga.exe	42
PID 2656 wrote to memory of 2540	2656	eqpdoyga.exe	42
PID 2656 wrote to memory of 2540	2656	eqpdoyga.exe	42
PID 2052 wrote to memory of 2796	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	43
PID 2052 wrote to memory of 2796	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	43
PID 2052 wrote to memory of 2796	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	43
PID 2052 wrote to memory of 2796	2052	2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bmjovrzu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:832
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\eqpdoyga.exe" C:\Windows\SysWOW64\bmjovrzu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2924
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create bmjovrzu binPath= "C:\Windows\SysWOW64\bmjovrzu\eqpdoyga.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2252
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description bmjovrzu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start bmjovrzu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2852
- 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:2796

C:\Windows\SysWOW64\bmjovrzu\eqpdoyga.exe
C:\Windows\SysWOW64\bmjovrzu\eqpdoyga.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_b0af9ab857da603db7f5ca223f96ec20_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656
- 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:2540

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\eqpdoyga.exe

Filesize
13.4MB

MD5
f78014c564717bd868c763c46a6116b7

SHA1
b118d56217f68eb44c34f0818ca8a4563b7a270e

SHA256
7bcae1db6f9fdbc2a4b1e81ed36f58093783c61fabc5ba8ca71646e55812a59c

SHA512
8e2a92b8cefab07b926b78ba1d2059000c5d5b28b54be8ba89d7389ba676e46cb0c065f670728f81108c285c945fad07f5bfb1357bf2d728eeb93d7c118c5418

Download Submit
memory/2052-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2052-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2052-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2052-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2052-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2052-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2540-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2540-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2540-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2540-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2540-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads