tofsee | c9ddeb670cecb378ac5539460db36b23b32f8f4c416d55372bf3acf10badfde2

General

Target

2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe
Size

11.2MB
MD5

bb831c7f52de206d92781189a192b098
SHA1

024df9bd47f11c0159fb01fa01f7c92552734462
SHA256

c9ddeb670cecb378ac5539460db36b23b32f8f4c416d55372bf3acf10badfde2
SHA512

1962522edcabfd2c0595de017e131d2a6da3ee9fe238dc70636a614a56388255bede9377fef05447789411df14282d4fe9ffd4d5223dabd3928fa1ebbf2e31a0
SSDEEP

24576:l6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQv:kWdLQk

Score

10^/10

tofsee discovery evasion 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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1936	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\qvqawbvj\ImagePath = "C:\\Windows\\SysWOW64\\qvqawbvj\\awoolazn.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe

Deletes itself 1 IoCs

pid	Process
840	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3524	awoolazn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3524 set thread context of 840	3524	awoolazn.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
556	sc.exe
3752	sc.exe
3300	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
1960	532	WerFault.exe	82
3220	3524	WerFault.exe	94

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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe
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	awoolazn.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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 5024	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	84
PID 532 wrote to memory of 5024	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	84
PID 532 wrote to memory of 5024	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	84
PID 532 wrote to memory of 4548	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	86
PID 532 wrote to memory of 4548	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	86
PID 532 wrote to memory of 4548	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	86
PID 532 wrote to memory of 556	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	88
PID 532 wrote to memory of 556	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	88
PID 532 wrote to memory of 556	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	88
PID 532 wrote to memory of 3752	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	90
PID 532 wrote to memory of 3752	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	90
PID 532 wrote to memory of 3752	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	90
PID 532 wrote to memory of 3300	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	92
PID 532 wrote to memory of 3300	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	92
PID 532 wrote to memory of 3300	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	92
PID 532 wrote to memory of 1936	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	95
PID 532 wrote to memory of 1936	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	95
PID 532 wrote to memory of 1936	532	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	95
PID 3524 wrote to memory of 840	3524	awoolazn.exe	101
PID 3524 wrote to memory of 840	3524	awoolazn.exe	101
PID 3524 wrote to memory of 840	3524	awoolazn.exe	101
PID 3524 wrote to memory of 840	3524	awoolazn.exe	101
PID 3524 wrote to memory of 840	3524	awoolazn.exe	101

C:\Users\Admin\AppData\Local\Temp\2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qvqawbvj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5024
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\awoolazn.exe" C:\Windows\SysWOW64\qvqawbvj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4548
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qvqawbvj binPath= "C:\Windows\SysWOW64\qvqawbvj\awoolazn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:556
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qvqawbvj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3752
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qvqawbvj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3300
- 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:1936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 532 -s 1040
  2⤵
  - Program crash
  PID:1960

C:\Windows\SysWOW64\qvqawbvj\awoolazn.exe
C:\Windows\SysWOW64\qvqawbvj\awoolazn.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3524
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:840
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3524 -s 508
  2⤵
  - Program crash
  PID:3220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 532 -ip 532
1⤵
PID:3536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3524 -ip 3524
1⤵
PID:4616

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\awoolazn.exe

Filesize
10.7MB

MD5
c8a23a879e2b95a3dd675edcd20a699e

SHA1
35b28058697f524cfe9ab39ccd0a331b1f89d2e3

SHA256
eba85e2b53cafa36edfd295c02476679a2751bd0d7b85449cd86122ac8558b08

SHA512
42b4e30ed006f84aa18f097ec816fe0ba3e4e97afbaf4a8b351892d346cc4bdc1112389b2b7dbf59bf7b211dda22bd704415ac24012f4aeb7b02ebcd1203dae6

Download Submit
memory/532-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/532-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/532-2-0x0000000000780000-0x0000000000793000-memory.dmp

Filesize
76KB

Download
memory/532-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/532-8-0x0000000000780000-0x0000000000793000-memory.dmp

Filesize
76KB

Download
memory/532-1-0x0000000000810000-0x0000000000910000-memory.dmp

Filesize
1024KB

Download
memory/840-14-0x0000000000DB0000-0x0000000000DC5000-memory.dmp

Filesize
84KB

Download
memory/840-16-0x0000000000DB0000-0x0000000000DC5000-memory.dmp

Filesize
84KB

Download
memory/840-17-0x0000000000DB0000-0x0000000000DC5000-memory.dmp

Filesize
84KB

Download
memory/3524-12-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3524-11-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3524-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3524-19-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads