tofsee | a7b69c17aceb7d0e23f45da66d6947e49543fcb0faad432bb6a45a7ea2593376

General

Target

2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe
Size

12.8MB
MD5

8c2f86285f5b31faeea42683220f6be9
SHA1

720d579154ba157c6c43f1a03204c2eedb4414e0
SHA256

a7b69c17aceb7d0e23f45da66d6947e49543fcb0faad432bb6a45a7ea2593376
SHA512

45f317d7ebbcfe7b1b05f16d8476a17988d14ab805a8a39fbc635ff5a5bed8cc3a4f827f82876ad030b955b3d18997501d5d2fe011ade9cf03b78ec1cf7b295e
SSDEEP

24576:PEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZM:Mfote

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
4772	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\gkefjmya\ImagePath = "C:\\Windows\\SysWOW64\\gkefjmya\\dpocnxfz.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-1-5-21-3625106387-4207083342-115176794-1000\Control Panel\International\Geo\Nation	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe

Deletes itself 1 IoCs

pid	Process
4012	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
696	dpocnxfz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 696 set thread context of 4012	696	dpocnxfz.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
2008	sc.exe
3336	sc.exe
2780	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
884	4900	WerFault.exe	82
3864	696	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_8c2f86285f5b31faeea42683220f6be9_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	dpocnxfz.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 4256	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	86
PID 4900 wrote to memory of 4256	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	86
PID 4900 wrote to memory of 4256	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	86
PID 4900 wrote to memory of 3976	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	88
PID 4900 wrote to memory of 3976	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	88
PID 4900 wrote to memory of 3976	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	88
PID 4900 wrote to memory of 2780	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	90
PID 4900 wrote to memory of 2780	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	90
PID 4900 wrote to memory of 2780	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	90
PID 4900 wrote to memory of 2008	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	92
PID 4900 wrote to memory of 2008	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	92
PID 4900 wrote to memory of 2008	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	92
PID 4900 wrote to memory of 3336	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	94
PID 4900 wrote to memory of 3336	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	94
PID 4900 wrote to memory of 3336	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	94
PID 4900 wrote to memory of 4772	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	97
PID 4900 wrote to memory of 4772	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	97
PID 4900 wrote to memory of 4772	4900	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	97
PID 696 wrote to memory of 4012	696	dpocnxfz.exe	102
PID 696 wrote to memory of 4012	696	dpocnxfz.exe	102
PID 696 wrote to memory of 4012	696	dpocnxfz.exe	102
PID 696 wrote to memory of 4012	696	dpocnxfz.exe	102
PID 696 wrote to memory of 4012	696	dpocnxfz.exe	102

C:\Users\Admin\AppData\Local\Temp\2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4900
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gkefjmya\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4256
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dpocnxfz.exe" C:\Windows\SysWOW64\gkefjmya\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3976
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gkefjmya binPath= "C:\Windows\SysWOW64\gkefjmya\dpocnxfz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2780
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gkefjmya "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2008
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gkefjmya
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3336
- 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:4772
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 1252
  2⤵
  - Program crash
  PID:884

C:\Windows\SysWOW64\gkefjmya\dpocnxfz.exe
C:\Windows\SysWOW64\gkefjmya\dpocnxfz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:696
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4012
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 696 -s 512
  2⤵
  - Program crash
  PID:3864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4900 -ip 4900
1⤵
PID:2604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 696 -ip 696
1⤵
PID:2924

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\dpocnxfz.exe

Filesize
12.0MB

MD5
c8fae6eeec8522d7a0a0448028da9333

SHA1
d38c960ef3ca85e2e21352d755e5c60158e59093

SHA256
fd3222ff39f42f5635cef800b947dd4d349e2c43ff753bb95a8d153aea6f2394

SHA512
3d7f65beb664cebdebf206fafabb26e818735ebad4a12d407f62ebd3225cc82ce9acf6631cc8ab4788d48862c593f14662451b06e821bce37181c8dcda2b5e5c

Download Submit
memory/696-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/696-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/696-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4012-13-0x0000000000BD0000-0x0000000000BE5000-memory.dmp

Filesize
84KB

Download
memory/4012-15-0x0000000000BD0000-0x0000000000BE5000-memory.dmp

Filesize
84KB

Download
memory/4012-16-0x0000000000BD0000-0x0000000000BE5000-memory.dmp

Filesize
84KB

Download
memory/4900-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4900-2-0x00000000004A0000-0x00000000004B3000-memory.dmp

Filesize
76KB

Download
memory/4900-8-0x00000000004A0000-0x00000000004B3000-memory.dmp

Filesize
76KB

Download
memory/4900-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4900-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4900-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads