tofsee | d5e66820b485fc36d65e5fb1082aed954d234c4102c6196d643cd7ceb1bf8f67

Analysis

max time kernel
145s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08-02-2025 19:18

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General

Target

2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe
Size

12.1MB
MD5

afe5e92231cb021e4c98b66c1f97a92e
SHA1

ab95c90122d5405dd919c39069fd8135b3695677
SHA256

d5e66820b485fc36d65e5fb1082aed954d234c4102c6196d643cd7ceb1bf8f67
SHA512

5eb76983b86c354eec73ca6948146929ce62ecebf2ac7a353214f3a2d2dbd688689fb27053ac097b6d1b2f41502e56c427e6454bb39cafd71d9606aa00485e84
SSDEEP

49152:pLFuiE8888888888888888888888888888888888888888888888888888888885:pLME

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\xirhqivo = "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
2924	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\xirhqivo\ImagePath = "C:\\Windows\\SysWOW64\\xirhqivo\\iijupqow.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2648	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3044	iijupqow.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3044 set thread context of 2648	3044	iijupqow.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2768	sc.exe
3056	sc.exe
868	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	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_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	iijupqow.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 804 wrote to memory of 2556	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	31
PID 804 wrote to memory of 2556	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	31
PID 804 wrote to memory of 2556	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	31
PID 804 wrote to memory of 2556	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	31
PID 804 wrote to memory of 1620	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	33
PID 804 wrote to memory of 1620	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	33
PID 804 wrote to memory of 1620	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	33
PID 804 wrote to memory of 1620	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	33
PID 804 wrote to memory of 868	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	35
PID 804 wrote to memory of 868	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	35
PID 804 wrote to memory of 868	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	35
PID 804 wrote to memory of 868	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	35
PID 804 wrote to memory of 2768	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	37
PID 804 wrote to memory of 2768	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	37
PID 804 wrote to memory of 2768	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	37
PID 804 wrote to memory of 2768	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	37
PID 804 wrote to memory of 3056	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	39
PID 804 wrote to memory of 3056	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	39
PID 804 wrote to memory of 3056	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	39
PID 804 wrote to memory of 3056	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	39
PID 804 wrote to memory of 2924	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	42
PID 804 wrote to memory of 2924	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	42
PID 804 wrote to memory of 2924	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	42
PID 804 wrote to memory of 2924	804	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	42
PID 3044 wrote to memory of 2648	3044	iijupqow.exe	44
PID 3044 wrote to memory of 2648	3044	iijupqow.exe	44
PID 3044 wrote to memory of 2648	3044	iijupqow.exe	44
PID 3044 wrote to memory of 2648	3044	iijupqow.exe	44
PID 3044 wrote to memory of 2648	3044	iijupqow.exe	44
PID 3044 wrote to memory of 2648	3044	iijupqow.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xirhqivo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2556
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\iijupqow.exe" C:\Windows\SysWOW64\xirhqivo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1620
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xirhqivo binPath= "C:\Windows\SysWOW64\xirhqivo\iijupqow.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:868
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xirhqivo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xirhqivo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3056
- 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:2924

C:\Windows\SysWOW64\xirhqivo\iijupqow.exe
C:\Windows\SysWOW64\xirhqivo\iijupqow.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- 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:2648

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\iijupqow.exe

Filesize
14.2MB

MD5
adc3bc926aeb4690adf42d458ce08e3b

SHA1
4efae7d7a2f25b2c5ef99a8079af3ff47b89156a

SHA256
1c3fa52fcf44125bb130915133a9b2b89904db3c5df0d14252ece3cc0fcb46aa

SHA512
71f05fd769ab04950d8ccdd755623d67c5018e2aeb71367702a2ce4dca746e534b089215d1fd19b165b17ec745ea9765cba7dbacb5364a824f2eff373fe78e2a

Download Submit
memory/804-7-0x0000000000400000-0x0000000002DBF000-memory.dmp

Filesize
41.7MB

Download
memory/804-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/804-1-0x0000000002F80000-0x0000000003080000-memory.dmp

Filesize
1024KB

Download
memory/804-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/804-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/804-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2648-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2648-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2648-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2648-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2648-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3044-15-0x0000000000400000-0x0000000002DBF000-memory.dmp

Filesize
41.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads