tofsee | 9d32a1cfb62fde141d638c713d9d5e5e7bb082ca582b3b4cceeb9cdc2a8930d4

General

Target

2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe
Size

11.2MB
MD5

d523ff8a708717cffd3d2578c5c0e011
SHA1

08c7989555ca249bf6c495ec6e78258cafba060f
SHA256

9d32a1cfb62fde141d638c713d9d5e5e7bb082ca582b3b4cceeb9cdc2a8930d4
SHA512

d07a1afc1b3c6e22f1ad797c2d90a14b71f1a8ff112cb283e1480e069f45f2af5320d2bff3901b8c3a5cb94e932e8bb31764d9bb078e3f8a385cd2bb5b25b1a3
SSDEEP

49152:RqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:RqtYc3

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
1840	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\gaqeiibc\ImagePath = "C:\\Windows\\SysWOW64\\gaqeiibc\\qynrecll.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-1-5-21-2089655958-977706906-1981639424-1000\Control Panel\International\Geo\Nation	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe

Deletes itself 1 IoCs

pid	Process
4452	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1432	qynrecll.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1432 set thread context of 4452	1432	qynrecll.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
2424	sc.exe
4376	sc.exe
2224	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
536	1432	WerFault.exe	99
880	1704	WerFault.exe	82

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_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	qynrecll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 996	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	86
PID 1704 wrote to memory of 996	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	86
PID 1704 wrote to memory of 996	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	86
PID 1704 wrote to memory of 3520	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	88
PID 1704 wrote to memory of 3520	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	88
PID 1704 wrote to memory of 3520	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	88
PID 1704 wrote to memory of 2424	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	90
PID 1704 wrote to memory of 2424	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	90
PID 1704 wrote to memory of 2424	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	90
PID 1704 wrote to memory of 4376	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	94
PID 1704 wrote to memory of 4376	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	94
PID 1704 wrote to memory of 4376	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	94
PID 1704 wrote to memory of 2224	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	97
PID 1704 wrote to memory of 2224	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	97
PID 1704 wrote to memory of 2224	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	97
PID 1432 wrote to memory of 4452	1432	qynrecll.exe	100
PID 1432 wrote to memory of 4452	1432	qynrecll.exe	100
PID 1432 wrote to memory of 4452	1432	qynrecll.exe	100
PID 1432 wrote to memory of 4452	1432	qynrecll.exe	100
PID 1432 wrote to memory of 4452	1432	qynrecll.exe	100
PID 1704 wrote to memory of 1840	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	104
PID 1704 wrote to memory of 1840	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	104
PID 1704 wrote to memory of 1840	1704	2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe	104

C:\Users\Admin\AppData\Local\Temp\2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gaqeiibc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:996
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qynrecll.exe" C:\Windows\SysWOW64\gaqeiibc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3520
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gaqeiibc binPath= "C:\Windows\SysWOW64\gaqeiibc\qynrecll.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2424
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gaqeiibc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4376
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gaqeiibc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2224
- 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:1840
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 1328
  2⤵
  - Program crash
  PID:880

C:\Windows\SysWOW64\gaqeiibc\qynrecll.exe
C:\Windows\SysWOW64\gaqeiibc\qynrecll.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-03_d523ff8a708717cffd3d2578c5c0e011_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4452
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 512
  2⤵
  - Program crash
  PID:536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1432 -ip 1432
1⤵
PID:2872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1704 -ip 1704
1⤵
PID:1988

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\qynrecll.exe

Filesize
10.6MB

MD5
d8c225b239f132a2f624c1ba74e32f55

SHA1
527f1fea4db2e3a1232c1316ee415fee4064760d

SHA256
adb4ed43db0193954860386c70829bca06d30d35f444a0159e46fd47fa68663c

SHA512
dcad523d53a3ef5008d40ed5c5300b50b38f823d981a7058872903875d62ddd90d1b0cbf75327520c35276bb0ab1ec521a9d451ff54dfb8eda4a877c81dba8c3

Download Submit
memory/1432-10-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/1704-2-0x0000000002EF0000-0x0000000002F03000-memory.dmp

Filesize
76KB

Download
memory/1704-1-0x0000000002F80000-0x0000000003080000-memory.dmp

Filesize
1024KB

Download
memory/1704-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1704-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1704-12-0x0000000002EF0000-0x0000000002F03000-memory.dmp

Filesize
76KB

Download
memory/1704-11-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/4452-8-0x0000000000850000-0x0000000000865000-memory.dmp

Filesize
84KB

Download
memory/4452-14-0x0000000000850000-0x0000000000865000-memory.dmp

Filesize
84KB

Download
memory/4452-15-0x0000000000850000-0x0000000000865000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads