tofsee | df262ac57db73e286fb2c5e2f9565c948ced4ef7a078b79fb58a566f9bde381d

Analysis

max time kernel
144s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 19:23

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General

Target

2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe
Size

13.1MB
MD5

5e15ab1ff2fd29ddfd090e5a675e8569
SHA1

54053e5403871decfe48fab22f77a41bcdcb168e
SHA256

df262ac57db73e286fb2c5e2f9565c948ced4ef7a078b79fb58a566f9bde381d
SHA512

d9aae32da5d99086fdcf48bfbe449f53afe08bf49d5ba1e4ad63feb1635c168e8bbbf1e4f0c54f76deba7d293c22854eef9309d4c2be4ebf0b8a71b15673cf67
SSDEEP

393216:JXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX3:

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\jariued = "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
2784	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\jariued\ImagePath = "C:\\Windows\\SysWOW64\\jariued\\hfopyujf.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2876	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2760	hfopyujf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2760 set thread context of 2876	2760	hfopyujf.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
468	sc.exe
2404	sc.exe
1156	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hfopyujf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2732	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	30
PID 2380 wrote to memory of 2732	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	30
PID 2380 wrote to memory of 2732	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	30
PID 2380 wrote to memory of 2732	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	30
PID 2380 wrote to memory of 2376	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	32
PID 2380 wrote to memory of 2376	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	32
PID 2380 wrote to memory of 2376	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	32
PID 2380 wrote to memory of 2376	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	32
PID 2380 wrote to memory of 468	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	34
PID 2380 wrote to memory of 468	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	34
PID 2380 wrote to memory of 468	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	34
PID 2380 wrote to memory of 468	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	34
PID 2380 wrote to memory of 2404	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	36
PID 2380 wrote to memory of 2404	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	36
PID 2380 wrote to memory of 2404	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	36
PID 2380 wrote to memory of 2404	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	36
PID 2380 wrote to memory of 1156	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	38
PID 2380 wrote to memory of 1156	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	38
PID 2380 wrote to memory of 1156	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	38
PID 2380 wrote to memory of 1156	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	38
PID 2760 wrote to memory of 2876	2760	hfopyujf.exe	41
PID 2760 wrote to memory of 2876	2760	hfopyujf.exe	41
PID 2760 wrote to memory of 2876	2760	hfopyujf.exe	41
PID 2760 wrote to memory of 2876	2760	hfopyujf.exe	41
PID 2760 wrote to memory of 2876	2760	hfopyujf.exe	41
PID 2760 wrote to memory of 2876	2760	hfopyujf.exe	41
PID 2380 wrote to memory of 2784	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	42
PID 2380 wrote to memory of 2784	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	42
PID 2380 wrote to memory of 2784	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	42
PID 2380 wrote to memory of 2784	2380	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jariued\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hfopyujf.exe" C:\Windows\SysWOW64\jariued\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2376
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jariued binPath= "C:\Windows\SysWOW64\jariued\hfopyujf.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:468
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jariued "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2404
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jariued
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1156
- 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:2784

C:\Windows\SysWOW64\jariued\hfopyujf.exe
C:\Windows\SysWOW64\jariued\hfopyujf.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760
- 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:2876

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\hfopyujf.exe

Filesize
12.0MB

MD5
e22bd18e3e108c61598dc51e7a82d7d7

SHA1
75fbe9069d7c40915f3cea9591139bfee696fd50

SHA256
c4b4a9eabb23c83ebbaa09a9b859eb607cc6171fcc7d3114580c7b6bcb3a5a92

SHA512
4bc5e1d3c04742c024b612b7c2d8bacfa91b88ddf5e9422fa427a2ed506cb140d1538ee644f43dda37d30ce2b51919ecc655d730e83b3710b0758477c1f96960

Download Submit
memory/2380-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2380-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2380-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2380-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2380-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/2380-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2760-13-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2876-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2876-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2876-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2876-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2876-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads