tofsee | db4582f33b218c1bfd904c331e03acd29217b75397b608c2e45352dfa9111613

General

Target

2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe
Size

10.9MB
MD5

5c21d1621ae8aed4b888874b6440a2b6
SHA1

6aee183901b7c8e9fcdfd96111d8e738d90d8caa
SHA256

db4582f33b218c1bfd904c331e03acd29217b75397b608c2e45352dfa9111613
SHA512

ca39fef8c7376f085ccf808fdb4b20d0e171ac7e62cc1e2150804114cdc5c6abeab0926a43c98142d993a59aaf26ae6dde40873aba17a7a72bb76152e8733a9c
SSDEEP

24576:TpomTTN9ttttttttttttttttttttttttttttttttttttttttttttttttttttttt7:Voop

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

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
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
2348	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\kufdvedc\ImagePath = "C:\\Windows\\SysWOW64\\kufdvedc\\oxrwonie.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Control Panel\International\Geo\Nation	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe

Deletes itself 1 IoCs

pid	Process
4812	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4056	oxrwonie.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4056 set thread context of 4812	4056	oxrwonie.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
2292	sc.exe
1920	sc.exe
4348	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4968	928	WerFault.exe	82
1580	4056	WerFault.exe	96

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	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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	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	oxrwonie.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 3548	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	86
PID 928 wrote to memory of 3548	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	86
PID 928 wrote to memory of 3548	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	86
PID 928 wrote to memory of 2484	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	88
PID 928 wrote to memory of 2484	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	88
PID 928 wrote to memory of 2484	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	88
PID 928 wrote to memory of 2292	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	90
PID 928 wrote to memory of 2292	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	90
PID 928 wrote to memory of 2292	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	90
PID 928 wrote to memory of 1920	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	92
PID 928 wrote to memory of 1920	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	92
PID 928 wrote to memory of 1920	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	92
PID 928 wrote to memory of 4348	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	94
PID 928 wrote to memory of 4348	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	94
PID 928 wrote to memory of 4348	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	94
PID 928 wrote to memory of 2348	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	97
PID 928 wrote to memory of 2348	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	97
PID 928 wrote to memory of 2348	928	2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe	97
PID 4056 wrote to memory of 4812	4056	oxrwonie.exe	102
PID 4056 wrote to memory of 4812	4056	oxrwonie.exe	102
PID 4056 wrote to memory of 4812	4056	oxrwonie.exe	102
PID 4056 wrote to memory of 4812	4056	oxrwonie.exe	102
PID 4056 wrote to memory of 4812	4056	oxrwonie.exe	102

C:\Users\Admin\AppData\Local\Temp\2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:928
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kufdvedc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3548
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\oxrwonie.exe" C:\Windows\SysWOW64\kufdvedc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2484
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kufdvedc binPath= "C:\Windows\SysWOW64\kufdvedc\oxrwonie.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2292
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kufdvedc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1920
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kufdvedc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4348
- 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:2348
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 928 -s 892
  2⤵
  - Program crash
  PID:4968

C:\Windows\SysWOW64\kufdvedc\oxrwonie.exe
C:\Windows\SysWOW64\kufdvedc\oxrwonie.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-30_5c21d1621ae8aed4b888874b6440a2b6_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4056
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4812
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 512
  2⤵
  - Program crash
  PID:1580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 928 -ip 928
1⤵
PID:4464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4056 -ip 4056
1⤵
PID:780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\oxrwonie.exe

Filesize
11.4MB

MD5
e43d55603eb6a5f4dba8f9c684013cc0

SHA1
56733a5d62f1994c0f041d64f894f772ccb0144e

SHA256
213d052a6249e526279f8a5caa6d84f157d495b72a35fb21c5ea6f5ceb7bc8e4

SHA512
e6264897c07d8ac929d5e2a130c96240abd9b45f5064810c163198549c37dd8dfa6c303e670a0a575ff9b4fd0795c581954d1e4eef84f486c8574239227491b3

Download Submit
memory/928-8-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/928-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/928-2-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/928-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/928-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/928-1-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/4056-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4056-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4056-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4056-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4812-14-0x0000000000540000-0x0000000000555000-memory.dmp

Filesize
84KB

Download
memory/4812-16-0x0000000000540000-0x0000000000555000-memory.dmp

Filesize
84KB

Download
memory/4812-17-0x0000000000540000-0x0000000000555000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads