tofsee | 25ea713eaea092a55c88031ea995a15a520d68f0f6b2d6b48a9028cebeb93ae0

Analysis

max time kernel
145s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-01-2025 19:16

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General

Target

2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe
Size

14.2MB
MD5

523d1fcb30b0be55025f943dd2ea782c
SHA1

46f37da9a49c94ca28ffd85d6f2755e4092d8828
SHA256

25ea713eaea092a55c88031ea995a15a520d68f0f6b2d6b48a9028cebeb93ae0
SHA512

eb2cbdec907789cc52c2458cb75e0f333b400c35be2dbadbdcf9e2339084dd4a48a3d9179de0403dd1aa7a37d10a04252338c5fe8b8bf02e4ffe35947ca3a44f
SSDEEP

24576:sEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZj:pfot

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

Windows security bypass 2 TTPs 1 IoCs

defense_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\xowjrdfo = "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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2220	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\xowjrdfo\ImagePath = "C:\\Windows\\SysWOW64\\xowjrdfo\\eclmvrgc.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2192	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2272	eclmvrgc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2272 set thread context of 2192	2272	eclmvrgc.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2088	sc.exe
2412	sc.exe
1452	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	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eclmvrgc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2236	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	28
PID 2400 wrote to memory of 2236	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	28
PID 2400 wrote to memory of 2236	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	28
PID 2400 wrote to memory of 2236	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	28
PID 2400 wrote to memory of 1796	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	30
PID 2400 wrote to memory of 1796	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	30
PID 2400 wrote to memory of 1796	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	30
PID 2400 wrote to memory of 1796	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	30
PID 2400 wrote to memory of 2088	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	32
PID 2400 wrote to memory of 2088	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	32
PID 2400 wrote to memory of 2088	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	32
PID 2400 wrote to memory of 2088	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	32
PID 2400 wrote to memory of 2412	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	34
PID 2400 wrote to memory of 2412	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	34
PID 2400 wrote to memory of 2412	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	34
PID 2400 wrote to memory of 2412	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	34
PID 2400 wrote to memory of 1452	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	36
PID 2400 wrote to memory of 1452	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	36
PID 2400 wrote to memory of 1452	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	36
PID 2400 wrote to memory of 1452	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	36
PID 2400 wrote to memory of 2220	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	39
PID 2400 wrote to memory of 2220	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	39
PID 2400 wrote to memory of 2220	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	39
PID 2400 wrote to memory of 2220	2400	2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe	39
PID 2272 wrote to memory of 2192	2272	eclmvrgc.exe	41
PID 2272 wrote to memory of 2192	2272	eclmvrgc.exe	41
PID 2272 wrote to memory of 2192	2272	eclmvrgc.exe	41
PID 2272 wrote to memory of 2192	2272	eclmvrgc.exe	41
PID 2272 wrote to memory of 2192	2272	eclmvrgc.exe	41
PID 2272 wrote to memory of 2192	2272	eclmvrgc.exe	41

C:\Users\Admin\AppData\Local\Temp\2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xowjrdfo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2236
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\eclmvrgc.exe" C:\Windows\SysWOW64\xowjrdfo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1796
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xowjrdfo binPath= "C:\Windows\SysWOW64\xowjrdfo\eclmvrgc.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2088
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xowjrdfo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2412
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xowjrdfo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1452
- 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:2220

C:\Windows\SysWOW64\xowjrdfo\eclmvrgc.exe
C:\Windows\SysWOW64\xowjrdfo\eclmvrgc.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-22_523d1fcb30b0be55025f943dd2ea782c_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272
- 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:2192

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\eclmvrgc.exe

Filesize
14.3MB

MD5
f75a0f9fb7621997b7ed7dfadefd3e14

SHA1
907f0af8131a16e1eed7e3b2ae3ac4441ef5be60

SHA256
361eb784c2fc3ee7b1331086d5a5b5bed3c6a1c8411d5cc879d85cb2c4640f56

SHA512
d1d586327f600fb195a13ca3395a6c208f8846cbf798b974bd86c7b5d92064b112c66f08a16f57bacb8b7e134f11c6b94f86fc0b4c910fb3f004a5990747cbe8

Download Submit
memory/2192-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2192-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2192-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2192-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2192-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2272-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2400-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2400-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2400-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2400-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2400-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2400-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads