tofsee | ca7f5c52ddcc9e02484ca03eef51b4e5f1b5227e0bf4284c0b013117d1c11fa1

General

Target

2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe
Size

10.5MB
MD5

4fdb0e5442821a0a286a00fda90b53a7
SHA1

ae748a664c3fd546ec1d233b12ebbf134a32cee9
SHA256

ca7f5c52ddcc9e02484ca03eef51b4e5f1b5227e0bf4284c0b013117d1c11fa1
SHA512

36c1d87cba7328a4eea8caebb95a066bfce3865459d3a336bd87323439fd4de56167a683c0dfdcf72f8b7a24a1e483039e632ddf50c0926b433e82d44303b0f1
SSDEEP

6144:GLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQd:XTYe+D2jFu+iZoUFhAz

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
2384	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\gwpmwxhv\ImagePath = "C:\\Windows\\SysWOW64\\gwpmwxhv\\ffgrmnlt.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-1-5-21-4174397412-4125106315-2776226590-1000\Control Panel\International\Geo\Nation	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe

Deletes itself 1 IoCs

pid	Process
4996	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2736	ffgrmnlt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2736 set thread context of 4996	2736	ffgrmnlt.exe	104

Launches sc.exe 3 IoCs

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

pid	Process
5000	sc.exe
3232	sc.exe
4220	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
4656	3476	WerFault.exe	83
1488	2736	WerFault.exe	99

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffgrmnlt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3476 wrote to memory of 3248	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	87
PID 3476 wrote to memory of 3248	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	87
PID 3476 wrote to memory of 3248	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	87
PID 3476 wrote to memory of 3180	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	89
PID 3476 wrote to memory of 3180	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	89
PID 3476 wrote to memory of 3180	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	89
PID 3476 wrote to memory of 5000	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	91
PID 3476 wrote to memory of 5000	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	91
PID 3476 wrote to memory of 5000	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	91
PID 3476 wrote to memory of 3232	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	93
PID 3476 wrote to memory of 3232	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	93
PID 3476 wrote to memory of 3232	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	93
PID 3476 wrote to memory of 4220	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	95
PID 3476 wrote to memory of 4220	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	95
PID 3476 wrote to memory of 4220	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	95
PID 3476 wrote to memory of 2384	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	100
PID 3476 wrote to memory of 2384	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	100
PID 3476 wrote to memory of 2384	3476	2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe	100
PID 2736 wrote to memory of 4996	2736	ffgrmnlt.exe	104
PID 2736 wrote to memory of 4996	2736	ffgrmnlt.exe	104
PID 2736 wrote to memory of 4996	2736	ffgrmnlt.exe	104
PID 2736 wrote to memory of 4996	2736	ffgrmnlt.exe	104
PID 2736 wrote to memory of 4996	2736	ffgrmnlt.exe	104

C:\Users\Admin\AppData\Local\Temp\2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3476
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gwpmwxhv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3248
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ffgrmnlt.exe" C:\Windows\SysWOW64\gwpmwxhv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3180
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gwpmwxhv binPath= "C:\Windows\SysWOW64\gwpmwxhv\ffgrmnlt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5000
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gwpmwxhv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3232
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gwpmwxhv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4220
- 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:2384
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3476 -s 1040
  2⤵
  - Program crash
  PID:4656

C:\Windows\SysWOW64\gwpmwxhv\ffgrmnlt.exe
C:\Windows\SysWOW64\gwpmwxhv\ffgrmnlt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_4fdb0e5442821a0a286a00fda90b53a7_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4996
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 512
  2⤵
  - Program crash
  PID:1488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3476 -ip 3476
1⤵
PID:1836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2736 -ip 2736
1⤵
PID:1916

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\ffgrmnlt.exe

Filesize
11.2MB

MD5
d5659b40430c3b95c7d65419f568f4f7

SHA1
e603dc2617ada286f37740ac3b156161f9c62165

SHA256
7357ca9065ab012c1546cad1c75cf1f081a36ab6d01c2ed77883cab6fa48c5f9

SHA512
df91f83c90cc1b0083bd1cd667ea9a437b7b2f6f81ec17144be5a02a5a439bb1772cd350f6445ba32c1bfd62ce99bb7a9a2e9b2f343212869932db9ef674594b

Download Submit
memory/2736-19-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2736-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2736-10-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2736-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3476-1-0x0000000000820000-0x0000000000920000-memory.dmp

Filesize
1024KB

Download
memory/3476-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3476-16-0x00000000005E0000-0x00000000005F3000-memory.dmp

Filesize
76KB

Download
memory/3476-15-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3476-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3476-2-0x00000000005E0000-0x00000000005F3000-memory.dmp

Filesize
76KB

Download
memory/4996-11-0x0000000000CC0000-0x0000000000CD5000-memory.dmp

Filesize
84KB

Download
memory/4996-14-0x0000000000CC0000-0x0000000000CD5000-memory.dmp

Filesize
84KB

Download
memory/4996-20-0x0000000000CC0000-0x0000000000CD5000-memory.dmp

Filesize
84KB

Download
memory/4996-21-0x0000000000CC0000-0x0000000000CD5000-memory.dmp

Filesize
84KB

Download
memory/4996-22-0x0000000000CC0000-0x0000000000CD5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads