tofsee | 6750b6fb0c62f8dbb8d2c65aa6149f1a08fc3e0da333449e56d735ad52e7898e

Analysis

max time kernel
148s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
28/01/2025, 01:28

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General

Target

2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe
Size

13.0MB
MD5

0e10aea1cfb39b35a3a5b283d31fd5bf
SHA1

0d849c20326f2c9522c60bb8e28afe0d955c5898
SHA256

6750b6fb0c62f8dbb8d2c65aa6149f1a08fc3e0da333449e56d735ad52e7898e
SHA512

3a0e37fe7fd49ff71635cddf0d8514ebe826a9521c45f45c6ec215983c79a83a9bf65dd64547e57a1b623604ec4fa4d1240503b07b4ae7381af3f19ee1debb05
SSDEEP

24576:qpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttJ:+oo/

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\znqzqxor = "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
2616	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\znqzqxor\ImagePath = "C:\\Windows\\SysWOW64\\znqzqxor\\ofnlvqxl.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2324	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2740	ofnlvqxl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2740 set thread context of 2324	2740	ofnlvqxl.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2812	sc.exe
2648	sc.exe
2788	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ofnlvqxl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2724	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	30
PID 2760 wrote to memory of 2724	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	30
PID 2760 wrote to memory of 2724	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	30
PID 2760 wrote to memory of 2724	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	30
PID 2760 wrote to memory of 2752	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	32
PID 2760 wrote to memory of 2752	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	32
PID 2760 wrote to memory of 2752	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	32
PID 2760 wrote to memory of 2752	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	32
PID 2760 wrote to memory of 2812	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	34
PID 2760 wrote to memory of 2812	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	34
PID 2760 wrote to memory of 2812	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	34
PID 2760 wrote to memory of 2812	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	34
PID 2760 wrote to memory of 2648	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	36
PID 2760 wrote to memory of 2648	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	36
PID 2760 wrote to memory of 2648	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	36
PID 2760 wrote to memory of 2648	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	36
PID 2760 wrote to memory of 2788	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	38
PID 2760 wrote to memory of 2788	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	38
PID 2760 wrote to memory of 2788	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	38
PID 2760 wrote to memory of 2788	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	38
PID 2760 wrote to memory of 2616	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	40
PID 2760 wrote to memory of 2616	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	40
PID 2760 wrote to memory of 2616	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	40
PID 2760 wrote to memory of 2616	2760	2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe	40
PID 2740 wrote to memory of 2324	2740	ofnlvqxl.exe	43
PID 2740 wrote to memory of 2324	2740	ofnlvqxl.exe	43
PID 2740 wrote to memory of 2324	2740	ofnlvqxl.exe	43
PID 2740 wrote to memory of 2324	2740	ofnlvqxl.exe	43
PID 2740 wrote to memory of 2324	2740	ofnlvqxl.exe	43
PID 2740 wrote to memory of 2324	2740	ofnlvqxl.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\znqzqxor\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2724
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ofnlvqxl.exe" C:\Windows\SysWOW64\znqzqxor\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2752
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create znqzqxor binPath= "C:\Windows\SysWOW64\znqzqxor\ofnlvqxl.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description znqzqxor "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2648
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start znqzqxor
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- 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:2616

C:\Windows\SysWOW64\znqzqxor\ofnlvqxl.exe
C:\Windows\SysWOW64\znqzqxor\ofnlvqxl.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_0e10aea1cfb39b35a3a5b283d31fd5bf_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740
- 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:2324

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\ofnlvqxl.exe

Filesize
12.0MB

MD5
56bddd8a42b40ff86566564a7c8ee818

SHA1
671f4d26064ac6ea8105862500f1d25455df6123

SHA256
64bdce8508112aeb8de91acc792223ef4ba941dfcc451cd16ee32fcedcfc8dba

SHA512
5a4616d8f2cd5845266dbb952a84e08f200f3649cb90a32a497014876f842466222448728d6ef90d15ac143b719ffa1f5f445fb8b562765732198716adebb642

Download Submit
memory/2324-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2324-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2324-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2324-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2324-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2324-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2740-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2760-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2760-1-0x0000000000570000-0x0000000000670000-memory.dmp

Filesize
1024KB

Download
memory/2760-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2760-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2760-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2760-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads