tofsee | 1425db43a8b0112cf05aee3ee89fa87faf60e2219e5e192b64cca4a0e66f347a

Analysis

max time kernel
145s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-01-2025 19:24

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General

Target

2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe
Size

14.8MB
MD5

db9790710e078b436cbf178a61ee4147
SHA1

c512730d9f9565a00a0c7b4be0fb20b03e3472cb
SHA256

1425db43a8b0112cf05aee3ee89fa87faf60e2219e5e192b64cca4a0e66f347a
SHA512

bfa2be34ee5b07149361c390afa2e00f1aaed038824307cbf27eca3eaa48bc2f7516b948cc571a5d904c84dbf0eabcfd79a3ebdebe5032965b9b5a2aba359a01
SSDEEP

24576:kpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttl:woo

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\tnyowdfk = "0"	svchost.exe

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
1744	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\tnyowdfk\ImagePath = "C:\\Windows\\SysWOW64\\tnyowdfk\\lkyaolme.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2456	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2516	lkyaolme.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2516 set thread context of 2456	2516	lkyaolme.exe	39

Launches sc.exe 3 IoCs

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

pid	Process
2584	sc.exe
2496	sc.exe
2800	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

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	2025-01-17_db9790710e078b436cbf178a61ee4147_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	svchost.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	lkyaolme.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2564	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	28
PID 2192 wrote to memory of 2564	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	28
PID 2192 wrote to memory of 2564	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	28
PID 2192 wrote to memory of 2564	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	28
PID 2192 wrote to memory of 2764	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	30
PID 2192 wrote to memory of 2764	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	30
PID 2192 wrote to memory of 2764	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	30
PID 2192 wrote to memory of 2764	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	30
PID 2192 wrote to memory of 2584	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	32
PID 2192 wrote to memory of 2584	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	32
PID 2192 wrote to memory of 2584	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	32
PID 2192 wrote to memory of 2584	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	32
PID 2192 wrote to memory of 2496	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	34
PID 2192 wrote to memory of 2496	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	34
PID 2192 wrote to memory of 2496	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	34
PID 2192 wrote to memory of 2496	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	34
PID 2192 wrote to memory of 2800	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	36
PID 2192 wrote to memory of 2800	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	36
PID 2192 wrote to memory of 2800	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	36
PID 2192 wrote to memory of 2800	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	36
PID 2516 wrote to memory of 2456	2516	lkyaolme.exe	39
PID 2516 wrote to memory of 2456	2516	lkyaolme.exe	39
PID 2516 wrote to memory of 2456	2516	lkyaolme.exe	39
PID 2516 wrote to memory of 2456	2516	lkyaolme.exe	39
PID 2516 wrote to memory of 2456	2516	lkyaolme.exe	39
PID 2516 wrote to memory of 2456	2516	lkyaolme.exe	39
PID 2192 wrote to memory of 1744	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	40
PID 2192 wrote to memory of 1744	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	40
PID 2192 wrote to memory of 1744	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	40
PID 2192 wrote to memory of 1744	2192	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	40

C:\Users\Admin\AppData\Local\Temp\2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tnyowdfk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2564
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lkyaolme.exe" C:\Windows\SysWOW64\tnyowdfk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2764
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tnyowdfk binPath= "C:\Windows\SysWOW64\tnyowdfk\lkyaolme.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2584
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tnyowdfk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2496
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tnyowdfk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2800
- 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:1744

C:\Windows\SysWOW64\tnyowdfk\lkyaolme.exe
C:\Windows\SysWOW64\tnyowdfk\lkyaolme.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
13.4MB

MD5
b56e9d86f76e43da5835b9257c117d4c

SHA1
dca80d898b290ecf6566a1becbb56d52ee9f813d

SHA256
fab78ac4c57e0d287a5e452c4749054e3df30c3031976429f36bcaf552dcecaf

SHA512
2ca40f29f32c99c903dcea3d34338cfdf59cebbab3dc59f194c68691702571d53b548574a9251865d05f1280de61e0204eefbec3f1faf925a2276b82f9a09869

Download Submit
memory/2192-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2192-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2192-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2192-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2192-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/2192-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2456-8-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2456-11-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2456-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2456-17-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2456-18-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2516-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads