tofsee | a5e7d70a29f30a9d82c922a5e49eff12db1d47772fceb8012988b4d6001a7b02

General

Target

2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe
Size

13.1MB
MD5

894a9eefc5b05d243238afed2b573167
SHA1

7dc5bd6b457cac8c2b5b6ff3edc1ba5eb3d97a82
SHA256

a5e7d70a29f30a9d82c922a5e49eff12db1d47772fceb8012988b4d6001a7b02
SHA512

00fd31f17cef02f5f45156398e1a074230aa0e0383cddca5b2ca6daab68716da29db90d5d26f5f236dd0c795dd5d8870e903cc8ac833890efa8943a0a71d5818
SSDEEP

24576:aEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZn:zfotN

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
2020	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\mqjaemla\ImagePath = "C:\\Windows\\SysWOW64\\mqjaemla\\hguwkhia.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-1-5-21-2436272344-4274332273-444425594-1000\Control Panel\International\Geo\Nation	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe

Deletes itself 1 IoCs

pid	Process
4872	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4204	hguwkhia.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4204 set thread context of 4872	4204	hguwkhia.exe	112

Launches sc.exe 3 IoCs

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

pid	Process
4268	sc.exe
1020	sc.exe
4816	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
4988	4176	WerFault.exe	83
1760	4204	WerFault.exe	105

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-05_894a9eefc5b05d243238afed2b573167_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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hguwkhia.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4176 wrote to memory of 3808	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	94
PID 4176 wrote to memory of 3808	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	94
PID 4176 wrote to memory of 3808	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	94
PID 4176 wrote to memory of 4860	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	96
PID 4176 wrote to memory of 4860	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	96
PID 4176 wrote to memory of 4860	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	96
PID 4176 wrote to memory of 4268	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	98
PID 4176 wrote to memory of 4268	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	98
PID 4176 wrote to memory of 4268	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	98
PID 4176 wrote to memory of 1020	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	100
PID 4176 wrote to memory of 1020	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	100
PID 4176 wrote to memory of 1020	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	100
PID 4176 wrote to memory of 4816	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	103
PID 4176 wrote to memory of 4816	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	103
PID 4176 wrote to memory of 4816	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	103
PID 4176 wrote to memory of 2020	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	106
PID 4176 wrote to memory of 2020	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	106
PID 4176 wrote to memory of 2020	4176	2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe	106
PID 4204 wrote to memory of 4872	4204	hguwkhia.exe	112
PID 4204 wrote to memory of 4872	4204	hguwkhia.exe	112
PID 4204 wrote to memory of 4872	4204	hguwkhia.exe	112
PID 4204 wrote to memory of 4872	4204	hguwkhia.exe	112
PID 4204 wrote to memory of 4872	4204	hguwkhia.exe	112

C:\Users\Admin\AppData\Local\Temp\2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4176
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mqjaemla\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3808
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hguwkhia.exe" C:\Windows\SysWOW64\mqjaemla\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4860
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mqjaemla binPath= "C:\Windows\SysWOW64\mqjaemla\hguwkhia.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4268
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mqjaemla "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1020
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mqjaemla
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4816
- 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:2020
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 1044
  2⤵
  - Program crash
  PID:4988

C:\Windows\SysWOW64\mqjaemla\hguwkhia.exe
C:\Windows\SysWOW64\mqjaemla\hguwkhia.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-05_894a9eefc5b05d243238afed2b573167_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4204
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4872
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4204 -s 532
  2⤵
  - Program crash
  PID:1760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4176 -ip 4176
1⤵
PID:1508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4204 -ip 4204
1⤵
PID:2032

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

Replay Monitor

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Downloads

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

Filesize
14.1MB

MD5
48a6de531dd953f82afafdb0771e1fae

SHA1
a82e1f191153b0cbfd9ecd7e70aa7dfa487a7cf9

SHA256
9ba939cb3d1bff59c139585f7b4b122e359d460d4d910f1170e3d7b62f70c5fb

SHA512
e2c1530766f8d4fdf2618bccd1478812115c24b652f71712891339e79106faf08e81b4b80949dd30dfa7afeb671fbb15b1eb8b39847abcfc33bb2b6ab32631a7

Download Submit
memory/4176-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4176-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4176-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4176-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4176-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4176-1-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/4204-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4204-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4204-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4204-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4872-14-0x0000000000F70000-0x0000000000F85000-memory.dmp

Filesize
84KB

Download
memory/4872-16-0x0000000000F70000-0x0000000000F85000-memory.dmp

Filesize
84KB

Download
memory/4872-17-0x0000000000F70000-0x0000000000F85000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads