tofsee | a51519e61a97c8604ee59ff7d041604094d7f75e3c5c15c59cebee44eb8d7146

Analysis

max time kernel
144s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 19:13

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General

Target

2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe
Size

13.2MB
MD5

ea224388b4e876dc9b37724ee20f15f3
SHA1

0d5a7b79e2775a3927aacf1a619f256bca67f23c
SHA256

a51519e61a97c8604ee59ff7d041604094d7f75e3c5c15c59cebee44eb8d7146
SHA512

f47274f54587cbba207e4b19c8ed5d744e2881afca6e74de4364acc88b75d8eb3a5e810330a16e7e586e35089e59cc1391195a19f703062566128b990ad904bb
SSDEEP

393216:cXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:

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\edofhxra = "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
2812	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\edofhxra\ImagePath = "C:\\Windows\\SysWOW64\\edofhxra\\uzjeykhj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2908	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	uzjeykhj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 2908	2756	uzjeykhj.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2032	sc.exe
2888	sc.exe
2172	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	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.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	uzjeykhj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 1628	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	30
PID 2504 wrote to memory of 1628	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	30
PID 2504 wrote to memory of 1628	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	30
PID 2504 wrote to memory of 1628	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	30
PID 2504 wrote to memory of 2240	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	32
PID 2504 wrote to memory of 2240	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	32
PID 2504 wrote to memory of 2240	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	32
PID 2504 wrote to memory of 2240	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	32
PID 2504 wrote to memory of 2032	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	34
PID 2504 wrote to memory of 2032	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	34
PID 2504 wrote to memory of 2032	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	34
PID 2504 wrote to memory of 2032	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	34
PID 2504 wrote to memory of 2888	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	36
PID 2504 wrote to memory of 2888	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	36
PID 2504 wrote to memory of 2888	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	36
PID 2504 wrote to memory of 2888	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	36
PID 2504 wrote to memory of 2172	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	38
PID 2504 wrote to memory of 2172	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	38
PID 2504 wrote to memory of 2172	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	38
PID 2504 wrote to memory of 2172	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	38
PID 2756 wrote to memory of 2908	2756	uzjeykhj.exe	41
PID 2756 wrote to memory of 2908	2756	uzjeykhj.exe	41
PID 2756 wrote to memory of 2908	2756	uzjeykhj.exe	41
PID 2756 wrote to memory of 2908	2756	uzjeykhj.exe	41
PID 2756 wrote to memory of 2908	2756	uzjeykhj.exe	41
PID 2756 wrote to memory of 2908	2756	uzjeykhj.exe	41
PID 2504 wrote to memory of 2812	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	42
PID 2504 wrote to memory of 2812	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	42
PID 2504 wrote to memory of 2812	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	42
PID 2504 wrote to memory of 2812	2504	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\edofhxra\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1628
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uzjeykhj.exe" C:\Windows\SysWOW64\edofhxra\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2240
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create edofhxra binPath= "C:\Windows\SysWOW64\edofhxra\uzjeykhj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2032
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description edofhxra "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2888
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start edofhxra
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2172
- 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:2812

C:\Windows\SysWOW64\edofhxra\uzjeykhj.exe
C:\Windows\SysWOW64\edofhxra\uzjeykhj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- 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:2908

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\uzjeykhj.exe

Filesize
12.6MB

MD5
6b30e0383a9557c6281910682b6d9247

SHA1
af4bc8cb8a08f9fd221d9bb4fa7e3cdb20277ff9

SHA256
db218107b70f83d1194c1ce9f8146775a859ac542b26d8b254b0cfce548207f8

SHA512
ea729c69b01fce2b4bcee858b2b251d8603ef4066b83732d033a7b820389fbca47ccfa7169b8e32963e575334f8e65e11a32aab2c48264a18a6e42fc4fd44e25

Download Submit
memory/2504-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2504-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2504-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2504-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2504-1-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/2504-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2756-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2908-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2908-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2908-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2908-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2908-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads