tofsee | d038091e7be4a1ca2830a3662a28ff1ef0300ebecd5b1051525b88cbc0f30988

Analysis

max time kernel
137s
max time network
150s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 09:05

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General

Target

2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe
Size

14.0MB
MD5

95504588c01b1f77d656f20c48c78884
SHA1

2b50d1be602f11690f75d426fb8fd057c718d11c
SHA256

d038091e7be4a1ca2830a3662a28ff1ef0300ebecd5b1051525b88cbc0f30988
SHA512

c0d6b7639b9fff61ef9dbfd0dfc7ccad90ace0f7615b540c6fc677dafcc6c92fd9e3e1c82c27782eddd9b711c60112b09642393c51596e26fcade4d91da408ba
SSDEEP

24576:+6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQx:vWdLQkb

Score

10^/10

tofsee defense_evasion discovery 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
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
2712	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\eikuufw\ImagePath = "C:\\Windows\\SysWOW64\\eikuufw\\adjdsdou.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1716	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2868	adjdsdou.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2868 set thread context of 1716	2868	adjdsdou.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2416	sc.exe
2808	sc.exe
1644	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	adjdsdou.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_95504588c01b1f77d656f20c48c78884_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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 856	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	31
PID 2296 wrote to memory of 856	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	31
PID 2296 wrote to memory of 856	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	31
PID 2296 wrote to memory of 856	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	31
PID 2296 wrote to memory of 2884	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	33
PID 2296 wrote to memory of 2884	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	33
PID 2296 wrote to memory of 2884	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	33
PID 2296 wrote to memory of 2884	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	33
PID 2296 wrote to memory of 2416	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	35
PID 2296 wrote to memory of 2416	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	35
PID 2296 wrote to memory of 2416	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	35
PID 2296 wrote to memory of 2416	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	35
PID 2296 wrote to memory of 2808	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	37
PID 2296 wrote to memory of 2808	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	37
PID 2296 wrote to memory of 2808	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	37
PID 2296 wrote to memory of 2808	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	37
PID 2296 wrote to memory of 1644	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	39
PID 2296 wrote to memory of 1644	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	39
PID 2296 wrote to memory of 1644	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	39
PID 2296 wrote to memory of 1644	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	39
PID 2296 wrote to memory of 2712	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	42
PID 2296 wrote to memory of 2712	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	42
PID 2296 wrote to memory of 2712	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	42
PID 2296 wrote to memory of 2712	2296	2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe	42
PID 2868 wrote to memory of 1716	2868	adjdsdou.exe	44
PID 2868 wrote to memory of 1716	2868	adjdsdou.exe	44
PID 2868 wrote to memory of 1716	2868	adjdsdou.exe	44
PID 2868 wrote to memory of 1716	2868	adjdsdou.exe	44
PID 2868 wrote to memory of 1716	2868	adjdsdou.exe	44
PID 2868 wrote to memory of 1716	2868	adjdsdou.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\eikuufw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:856
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\adjdsdou.exe" C:\Windows\SysWOW64\eikuufw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2884
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create eikuufw binPath= "C:\Windows\SysWOW64\eikuufw\adjdsdou.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2416
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description eikuufw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2808
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start eikuufw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1644
- 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:2712

C:\Windows\SysWOW64\eikuufw\adjdsdou.exe
C:\Windows\SysWOW64\eikuufw\adjdsdou.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_95504588c01b1f77d656f20c48c78884_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1716

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

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\adjdsdou.exe

Filesize
13.5MB

MD5
bed497891075566b452f9991f3a01da1

SHA1
8128a0d700631360c183a9ad3086eb57480d3cb0

SHA256
093b57a7ec5471960cb2d312ff42adbc2b6d583e4558c1304fd3ddf8439cab91

SHA512
ccc090200e88e6459d93a018dcee03bea362685ace73f34dec4efa0304654a1437f3bec63942a1f6aee0bf0549f55d7d328ed87f8084a6af69561aae599489d9

Download Submit
memory/1716-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1716-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1716-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1716-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1716-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2296-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2296-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2296-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2296-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2296-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2868-14-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads