tofsee | ce927ec25afbc8286b66340bc776232e59d30fa1182bdc1092a9ae1226d75ca5

Analysis

max time kernel
144s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-02-2025 17:41

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General

Target

2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe
Size

14.5MB
MD5

f9e40e411a7ab534dc0d116ada8920aa
SHA1

158d1b0246aead9fb79f2c54938bddc7b02462cf
SHA256

ce927ec25afbc8286b66340bc776232e59d30fa1182bdc1092a9ae1226d75ca5
SHA512

8aba23f118cf0dae109755e07f4ab8dbaf47f1f4b2c440b15b01f41a5f59dbea33013fd64dff99f8919b1a3c12c67a1199bf229d9ea19e957d2f3f00a338fb6e
SSDEEP

24576:6EfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZm:TfotQ

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\xysepzzk = "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
1488	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\xysepzzk\ImagePath = "C:\\Windows\\SysWOW64\\xysepzzk\\ugfteowq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1172	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1764	ugfteowq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1764 set thread context of 1172	1764	ugfteowq.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2612	sc.exe
2692	sc.exe
2336	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	cmd.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	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_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	ugfteowq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2804	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	30
PID 2036 wrote to memory of 2804	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	30
PID 2036 wrote to memory of 2804	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	30
PID 2036 wrote to memory of 2804	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	30
PID 2036 wrote to memory of 2752	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	32
PID 2036 wrote to memory of 2752	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	32
PID 2036 wrote to memory of 2752	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	32
PID 2036 wrote to memory of 2752	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	32
PID 2036 wrote to memory of 2612	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	34
PID 2036 wrote to memory of 2612	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	34
PID 2036 wrote to memory of 2612	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	34
PID 2036 wrote to memory of 2612	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	34
PID 2036 wrote to memory of 2692	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	36
PID 2036 wrote to memory of 2692	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	36
PID 2036 wrote to memory of 2692	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	36
PID 2036 wrote to memory of 2692	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	36
PID 2036 wrote to memory of 2336	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	38
PID 2036 wrote to memory of 2336	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	38
PID 2036 wrote to memory of 2336	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	38
PID 2036 wrote to memory of 2336	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	38
PID 1764 wrote to memory of 1172	1764	ugfteowq.exe	41
PID 1764 wrote to memory of 1172	1764	ugfteowq.exe	41
PID 1764 wrote to memory of 1172	1764	ugfteowq.exe	41
PID 1764 wrote to memory of 1172	1764	ugfteowq.exe	41
PID 1764 wrote to memory of 1172	1764	ugfteowq.exe	41
PID 1764 wrote to memory of 1172	1764	ugfteowq.exe	41
PID 2036 wrote to memory of 1488	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	42
PID 2036 wrote to memory of 1488	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	42
PID 2036 wrote to memory of 1488	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	42
PID 2036 wrote to memory of 1488	2036	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xysepzzk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ugfteowq.exe" C:\Windows\SysWOW64\xysepzzk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2752
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xysepzzk binPath= "C:\Windows\SysWOW64\xysepzzk\ugfteowq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2612
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xysepzzk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2692
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xysepzzk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2336
- 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:1488

C:\Windows\SysWOW64\xysepzzk\ugfteowq.exe
C:\Windows\SysWOW64\xysepzzk\ugfteowq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1764
- 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:1172

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\ugfteowq.exe

Filesize
15.0MB

MD5
c48710ec714b1f27948461f333b0ea9c

SHA1
2776879572705376b44e6e5cf673421894aaf092

SHA256
d495e998e765b904f076776d9652a32614563b90891e92f7cac6fbf4b3416144

SHA512
11c0382ca560fb16388bea8450c41f1f277a70e2be3f9377fb7b12f50034fe6505f9578f2a05dbe901faacc0918feacb40f4d0c55f89caa74259f98abdee20ef

Download Submit
memory/1172-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1172-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1172-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1172-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1172-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1764-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2036-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2036-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2036-1-0x00000000008B0000-0x00000000009B0000-memory.dmp

Filesize
1024KB

Download
memory/2036-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2036-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2036-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2036-16-0x00000000008B0000-0x00000000009B0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads