tofsee | e30dc001c43316682366ba827b5e9b83cf5e316ac06ea82b72607cc8400fd0e8

Analysis

max time kernel
143s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 23:13

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General

Target

2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe
Size

12.2MB
MD5

d1dca4137b545cb6fa5221de89f5b392
SHA1

0a31a33baa0f43563ee91a75df82d220750d63fd
SHA256

e30dc001c43316682366ba827b5e9b83cf5e316ac06ea82b72607cc8400fd0e8
SHA512

b2709c878f0ef1267c3c58b3d469640ae058aca242d2bec773e888074ee606bd585d666da37ef44d5852f4388a3a0b842abe0722859999f735886e01b1856d75
SSDEEP

24576:EpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttH:Qoo

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\jmquenyf = "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
2496	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\jmquenyf\ImagePath = "C:\\Windows\\SysWOW64\\jmquenyf\\anzwpchr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3036	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2692	anzwpchr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2692 set thread context of 3036	2692	anzwpchr.exe	40

Launches sc.exe 3 IoCs

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

pid	Process
2212	sc.exe
2628	sc.exe
2708	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_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	anzwpchr.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	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2280	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	28
PID 1048 wrote to memory of 2280	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	28
PID 1048 wrote to memory of 2280	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	28
PID 1048 wrote to memory of 2280	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	28
PID 1048 wrote to memory of 2196	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	30
PID 1048 wrote to memory of 2196	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	30
PID 1048 wrote to memory of 2196	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	30
PID 1048 wrote to memory of 2196	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	30
PID 1048 wrote to memory of 2212	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	32
PID 1048 wrote to memory of 2212	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	32
PID 1048 wrote to memory of 2212	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	32
PID 1048 wrote to memory of 2212	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	32
PID 1048 wrote to memory of 2628	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	34
PID 1048 wrote to memory of 2628	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	34
PID 1048 wrote to memory of 2628	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	34
PID 1048 wrote to memory of 2628	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	34
PID 1048 wrote to memory of 2708	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	36
PID 1048 wrote to memory of 2708	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	36
PID 1048 wrote to memory of 2708	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	36
PID 1048 wrote to memory of 2708	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	36
PID 1048 wrote to memory of 2496	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	39
PID 1048 wrote to memory of 2496	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	39
PID 1048 wrote to memory of 2496	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	39
PID 1048 wrote to memory of 2496	1048	2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe	39
PID 2692 wrote to memory of 3036	2692	anzwpchr.exe	40
PID 2692 wrote to memory of 3036	2692	anzwpchr.exe	40
PID 2692 wrote to memory of 3036	2692	anzwpchr.exe	40
PID 2692 wrote to memory of 3036	2692	anzwpchr.exe	40
PID 2692 wrote to memory of 3036	2692	anzwpchr.exe	40
PID 2692 wrote to memory of 3036	2692	anzwpchr.exe	40

C:\Users\Admin\AppData\Local\Temp\2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jmquenyf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2280
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\anzwpchr.exe" C:\Windows\SysWOW64\jmquenyf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2196
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jmquenyf binPath= "C:\Windows\SysWOW64\jmquenyf\anzwpchr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2212
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jmquenyf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2628
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jmquenyf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2708
- 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:2496

C:\Windows\SysWOW64\jmquenyf\anzwpchr.exe
C:\Windows\SysWOW64\jmquenyf\anzwpchr.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-21_d1dca4137b545cb6fa5221de89f5b392_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692
- 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:3036

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\anzwpchr.exe

Filesize
13.4MB

MD5
ceb22d9e552e790e8b0233f5822bb744

SHA1
958f96e72b98a749a52dc9be7c81977878f99745

SHA256
e87df1d8ec1f992cc2563f29f2bb896410f7d4d7898e2ef4910b180b42b99266

SHA512
51fba59d0712e807cb30de36a777a5ba7d3b2c0b30b0266aa7019d8731c812b34203a44b1500ef59926d92219d41387e91119ccc83713d4ac753f4fc8a9ebbda

Download Submit
memory/1048-13-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1048-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1048-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1048-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1048-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1048-15-0x0000000000600000-0x0000000000700000-memory.dmp

Filesize
1024KB

Download
memory/1048-1-0x0000000000600000-0x0000000000700000-memory.dmp

Filesize
1024KB

Download
memory/2692-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3036-17-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/3036-12-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/3036-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3036-9-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/3036-19-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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