tofsee | 710bc2bf55462500540675be0f0310615feab68b516920490cfbc7024a2e9c10

Analysis

max time kernel
144s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28-01-2025 15:58

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General

Target

2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe
Size

11.7MB
MD5

c062307017454af9e7f89920ca5225b3
SHA1

933fb5be727d82d4fd302e377619e07bc55ca490
SHA256

710bc2bf55462500540675be0f0310615feab68b516920490cfbc7024a2e9c10
SHA512

1d667e99d7f1f462f87dd82266ded0fb053074975270cdb25f278951a7580d63699f442b328b17caf122cd81a213b9a1dfecff86c9d7fbd57d9b4e07b54960cf
SSDEEP

6144:zLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ8:ITYe+D2jFu+iZoUFhAzh

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\iwxkzema = "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\iwxkzema\ImagePath = "C:\\Windows\\SysWOW64\\iwxkzema\\hmwrlxuw.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2256	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	hmwrlxuw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 2256	2704	hmwrlxuw.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2892	sc.exe
264	sc.exe
2292	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hmwrlxuw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 1712	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	30
PID 2568 wrote to memory of 1712	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	30
PID 2568 wrote to memory of 1712	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	30
PID 2568 wrote to memory of 1712	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	30
PID 2568 wrote to memory of 1708	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	32
PID 2568 wrote to memory of 1708	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	32
PID 2568 wrote to memory of 1708	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	32
PID 2568 wrote to memory of 1708	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	32
PID 2568 wrote to memory of 2892	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	34
PID 2568 wrote to memory of 2892	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	34
PID 2568 wrote to memory of 2892	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	34
PID 2568 wrote to memory of 2892	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	34
PID 2568 wrote to memory of 264	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	36
PID 2568 wrote to memory of 264	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	36
PID 2568 wrote to memory of 264	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	36
PID 2568 wrote to memory of 264	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	36
PID 2568 wrote to memory of 2292	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	38
PID 2568 wrote to memory of 2292	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	38
PID 2568 wrote to memory of 2292	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	38
PID 2568 wrote to memory of 2292	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	38
PID 2568 wrote to memory of 2796	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	41
PID 2568 wrote to memory of 2796	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	41
PID 2568 wrote to memory of 2796	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	41
PID 2568 wrote to memory of 2796	2568	2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe	41
PID 2704 wrote to memory of 2256	2704	hmwrlxuw.exe	43
PID 2704 wrote to memory of 2256	2704	hmwrlxuw.exe	43
PID 2704 wrote to memory of 2256	2704	hmwrlxuw.exe	43
PID 2704 wrote to memory of 2256	2704	hmwrlxuw.exe	43
PID 2704 wrote to memory of 2256	2704	hmwrlxuw.exe	43
PID 2704 wrote to memory of 2256	2704	hmwrlxuw.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\iwxkzema\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1712
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hmwrlxuw.exe" C:\Windows\SysWOW64\iwxkzema\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1708
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create iwxkzema binPath= "C:\Windows\SysWOW64\iwxkzema\hmwrlxuw.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2892
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description iwxkzema "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:264
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start iwxkzema
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2292
- 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\iwxkzema\hmwrlxuw.exe
C:\Windows\SysWOW64\iwxkzema\hmwrlxuw.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_c062307017454af9e7f89920ca5225b3_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- 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:2256

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\hmwrlxuw.exe

Filesize
14.0MB

MD5
8ca8d49789f424db6fd5b73629d91e67

SHA1
e90cfd8d659a2c43af06d5f2551660238aa034ad

SHA256
6ad5cbadf99891148e00a18e5f645fab3cd17fd78eb524c5268077796b72f082

SHA512
5c5648dd77e979139b945fe26b360909c153cb031f8d1b4123f25e756c2cd246b63f8aa11dfe20edb163de0ce8ec557aaed4d9ad27bab60370c2bd4e474c4c55

Download Submit
memory/2256-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2256-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2256-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2256-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2256-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2568-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2568-1-0x0000000000640000-0x0000000000740000-memory.dmp

Filesize
1024KB

Download
memory/2568-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2568-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2568-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2568-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2704-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads