tofsee | 387da9f1c0db0a113e160f090cc338a0a0287185142260611399b23f0b7b3fa6

Analysis

max time kernel
143s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 19:36

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General

Target

2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe
Size

13.8MB
MD5

60c5a5e092b4cf3d120e3592142e6288
SHA1

e72d477b6c9e5ae53501b6ff712938245d0d444b
SHA256

387da9f1c0db0a113e160f090cc338a0a0287185142260611399b23f0b7b3fa6
SHA512

a1f6092002d96ded9a11bf767dcd780945f9214e0519d323f9c703a6764fa8d51a6d78cffe066709423800c547301a856112f89723739cb4033d66adc77d2608
SSDEEP

393216:2XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX3:

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\zuasehdr = "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
2592	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\zuasehdr\ImagePath = "C:\\Windows\\SysWOW64\\zuasehdr\\hygeojqe.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2212	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2576	hygeojqe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2576 set thread context of 2212	2576	hygeojqe.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2840	sc.exe
2812	sc.exe
2624	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	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hygeojqe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 2788	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	30
PID 1524 wrote to memory of 2788	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	30
PID 1524 wrote to memory of 2788	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	30
PID 1524 wrote to memory of 2788	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	30
PID 1524 wrote to memory of 2780	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	32
PID 1524 wrote to memory of 2780	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	32
PID 1524 wrote to memory of 2780	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	32
PID 1524 wrote to memory of 2780	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	32
PID 1524 wrote to memory of 2840	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	34
PID 1524 wrote to memory of 2840	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	34
PID 1524 wrote to memory of 2840	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	34
PID 1524 wrote to memory of 2840	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	34
PID 1524 wrote to memory of 2812	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	36
PID 1524 wrote to memory of 2812	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	36
PID 1524 wrote to memory of 2812	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	36
PID 1524 wrote to memory of 2812	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	36
PID 1524 wrote to memory of 2624	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	38
PID 1524 wrote to memory of 2624	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	38
PID 1524 wrote to memory of 2624	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	38
PID 1524 wrote to memory of 2624	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	38
PID 1524 wrote to memory of 2592	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	41
PID 1524 wrote to memory of 2592	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	41
PID 1524 wrote to memory of 2592	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	41
PID 1524 wrote to memory of 2592	1524	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	41
PID 2576 wrote to memory of 2212	2576	hygeojqe.exe	43
PID 2576 wrote to memory of 2212	2576	hygeojqe.exe	43
PID 2576 wrote to memory of 2212	2576	hygeojqe.exe	43
PID 2576 wrote to memory of 2212	2576	hygeojqe.exe	43
PID 2576 wrote to memory of 2212	2576	hygeojqe.exe	43
PID 2576 wrote to memory of 2212	2576	hygeojqe.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zuasehdr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hygeojqe.exe" C:\Windows\SysWOW64\zuasehdr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2780
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zuasehdr binPath= "C:\Windows\SysWOW64\zuasehdr\hygeojqe.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2840
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zuasehdr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zuasehdr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2624
- 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:2592

C:\Windows\SysWOW64\zuasehdr\hygeojqe.exe
C:\Windows\SysWOW64\zuasehdr\hygeojqe.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576
- 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:2212

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\hygeojqe.exe

Filesize
11.5MB

MD5
c3f844acc931046575fa963cc463e3cc

SHA1
57c80fa2cd9880fdf99b8e56bb41a2977f3b433a

SHA256
e6556425e203a84dbd0e35385f72da61ebb493941304cf0dc4684a777afdf062

SHA512
0da24ca29b41f60c92610d6b6ea68901f87f4792a1c28ff45851b8ebabd8ba4acef23d61a37a7f6a528493470f9ca46c90db92239a4608ebf72d0242b4eddcfc

Download Submit
memory/1524-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1524-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1524-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1524-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1524-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1524-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2212-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2212-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2212-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2212-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2212-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2576-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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