tofsee | c112f21a28911d1995b8a33f5e8310764421a058e250d07e8a2d5c78e1e38b97

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
02-02-2025 01:19

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General

Target

2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe
Size

12.2MB
MD5

fab4de48010f51b4aa8aa0751b525553
SHA1

8cb8355eea57313d0761160f89d8782cbd69b359
SHA256

c112f21a28911d1995b8a33f5e8310764421a058e250d07e8a2d5c78e1e38b97
SHA512

98afc6fa1aa0f8053cc68d9f2e291454c3f6a07fc0702b7c4934c812c089625558d47fb44e7f31e19ff68ab00f71a672e8444b2e8ab27cb5e3c4a744dd6bf6ab
SSDEEP

24576:PEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZH:Mfot

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\eezukp = "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
2972	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\eezukp\ImagePath = "C:\\Windows\\SysWOW64\\eezukp\\aznpdabt.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2596	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2764	aznpdabt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2596	2764	aznpdabt.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2848	sc.exe
2712	sc.exe
2824	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	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.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	sc.exe
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	aznpdabt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2772	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	30
PID 2648 wrote to memory of 2772	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	30
PID 2648 wrote to memory of 2772	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	30
PID 2648 wrote to memory of 2772	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	30
PID 2648 wrote to memory of 2688	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	32
PID 2648 wrote to memory of 2688	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	32
PID 2648 wrote to memory of 2688	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	32
PID 2648 wrote to memory of 2688	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	32
PID 2648 wrote to memory of 2824	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	34
PID 2648 wrote to memory of 2824	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	34
PID 2648 wrote to memory of 2824	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	34
PID 2648 wrote to memory of 2824	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	34
PID 2648 wrote to memory of 2848	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	36
PID 2648 wrote to memory of 2848	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	36
PID 2648 wrote to memory of 2848	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	36
PID 2648 wrote to memory of 2848	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	36
PID 2648 wrote to memory of 2712	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	38
PID 2648 wrote to memory of 2712	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	38
PID 2648 wrote to memory of 2712	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	38
PID 2648 wrote to memory of 2712	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	38
PID 2764 wrote to memory of 2596	2764	aznpdabt.exe	41
PID 2764 wrote to memory of 2596	2764	aznpdabt.exe	41
PID 2764 wrote to memory of 2596	2764	aznpdabt.exe	41
PID 2764 wrote to memory of 2596	2764	aznpdabt.exe	41
PID 2764 wrote to memory of 2596	2764	aznpdabt.exe	41
PID 2764 wrote to memory of 2596	2764	aznpdabt.exe	41
PID 2648 wrote to memory of 2972	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	42
PID 2648 wrote to memory of 2972	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	42
PID 2648 wrote to memory of 2972	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	42
PID 2648 wrote to memory of 2972	2648	2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\eezukp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2772
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\aznpdabt.exe" C:\Windows\SysWOW64\eezukp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create eezukp binPath= "C:\Windows\SysWOW64\eezukp\aznpdabt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2824
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description eezukp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2848
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start eezukp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2712
- 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:2972

C:\Windows\SysWOW64\eezukp\aznpdabt.exe
C:\Windows\SysWOW64\eezukp\aznpdabt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_fab4de48010f51b4aa8aa0751b525553_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764
- 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:2596

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\aznpdabt.exe

Filesize
11.6MB

MD5
87e35b46d469cb1c9a0e9717ea9b2b79

SHA1
a343646db539b164a8110fd27d2d96abddecb26f

SHA256
2afae0becbdbde4660dcbb760a6ab8d70556a29b76e42bd55edbd2d0dfce232f

SHA512
3b4716e0f8a9587a11324944d2c07ceb452a9623c47d4ab991b0eb9fe445fe462d9e403de44e1ba4f7221b31b88283d747f5b35e89dbd621e3630b0e886c68fd

Download Submit
memory/2596-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2596-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2596-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2596-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2596-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2648-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2648-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2648-1-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/2648-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2648-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2648-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2764-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads