tofsee | 00c08533d9bfc2d5cc7a582d116732f9f9df32113dc65a4b63660d559b1ae09d

General

Target

2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe
Size

10.7MB
MD5

4d7ab05888fe4ab098b37d84928e3af0
SHA1

f39330b43bbc87b42e7c473be5a859f5c36a52f1
SHA256

00c08533d9bfc2d5cc7a582d116732f9f9df32113dc65a4b63660d559b1ae09d
SHA512

37398fceba6e3a3a409fac89e2c484c765feab3b30343c33719fd8f00b961ebdf3a699f297dc200ee4019ba7ee9901d4b55d0724df5f68ff722c3e880d206030
SSDEEP

24576:iEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZz:7fot

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

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
Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Downloads MZ/PE file 1 IoCs

flow	pid	Process
47	4444	Process not Found

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2540	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\zqfxswtv\ImagePath = "C:\\Windows\\SysWOW64\\zqfxswtv\\iijupqow.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3932017190-1449707826-1445630-1000\Control Panel\International\Geo\Nation	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe

Deletes itself 1 IoCs

pid	Process
3288	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2216	iijupqow.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2216 set thread context of 3288	2216	iijupqow.exe	105

Launches sc.exe 3 IoCs

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

pid	Process
3956	sc.exe
3652	sc.exe
1688	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1516	220	WerFault.exe	85
2128	2216	WerFault.exe	99

System Location Discovery: System Language Discovery 1 TTPs 10 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iijupqow.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3576	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 2928	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	89
PID 220 wrote to memory of 2928	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	89
PID 220 wrote to memory of 2928	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	89
PID 220 wrote to memory of 2992	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	91
PID 220 wrote to memory of 2992	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	91
PID 220 wrote to memory of 2992	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	91
PID 220 wrote to memory of 3956	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	93
PID 220 wrote to memory of 3956	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	93
PID 220 wrote to memory of 3956	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	93
PID 220 wrote to memory of 3652	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	95
PID 220 wrote to memory of 3652	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	95
PID 220 wrote to memory of 3652	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	95
PID 220 wrote to memory of 1688	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	97
PID 220 wrote to memory of 1688	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	97
PID 220 wrote to memory of 1688	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	97
PID 220 wrote to memory of 2540	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	100
PID 220 wrote to memory of 2540	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	100
PID 220 wrote to memory of 2540	220	2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe	100
PID 2216 wrote to memory of 3288	2216	iijupqow.exe	105
PID 2216 wrote to memory of 3288	2216	iijupqow.exe	105
PID 2216 wrote to memory of 3288	2216	iijupqow.exe	105
PID 2216 wrote to memory of 3288	2216	iijupqow.exe	105
PID 2216 wrote to memory of 3288	2216	iijupqow.exe	105

C:\Users\Admin\AppData\Local\Temp\2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:220
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zqfxswtv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2928
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\iijupqow.exe" C:\Windows\SysWOW64\zqfxswtv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2992
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zqfxswtv binPath= "C:\Windows\SysWOW64\zqfxswtv\iijupqow.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3956
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zqfxswtv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3652
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zqfxswtv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1688
- 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:2540
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 220 -s 1172
  2⤵
  - Program crash
  PID:1516

C:\Windows\SysWOW64\zqfxswtv\iijupqow.exe
C:\Windows\SysWOW64\zqfxswtv\iijupqow.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3288
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 520
  2⤵
  - Program crash
  PID:2128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 220 -ip 220
1⤵
PID:4212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2216 -ip 2216
1⤵
PID:4912

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY0MzMiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODc1OTU2NTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzcwOTM3OTU0Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\iijupqow.exe

Filesize
12.8MB

MD5
fb328d6101d2584ee08ba119a79978cd

SHA1
e89019cc5c9f3ab1f1ba3d6d5d97054d2371759c

SHA256
750ea45ec49d1fb6c1e89bc1dce31cb6fee515629b0ca0e63a1469772cde8da5

SHA512
0353afe263bf4180a9d47e0039499050c6eea7f3121d293d01471ab7602fcf2fceb6f61fb23d00d44784c5b9b50cc2e77ce28aca2cba5735c50f8a4855dc73b6

Download Submit
memory/220-8-0x0000000000520000-0x0000000000533000-memory.dmp

Filesize
76KB

Download
memory/220-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/220-1-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/220-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/220-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/220-2-0x0000000000520000-0x0000000000533000-memory.dmp

Filesize
76KB

Download
memory/2216-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2216-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2216-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2216-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3288-14-0x0000000000B40000-0x0000000000B55000-memory.dmp

Filesize
84KB

Download
memory/3288-16-0x0000000000B40000-0x0000000000B55000-memory.dmp

Filesize
84KB

Download
memory/3288-17-0x0000000000B40000-0x0000000000B55000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads