tofsee | edc276c44c8d5d7cbe1dd871ff30553826d13a8971e1476db1d71f55e0fa7521

General

Target

2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe
Size

13.8MB
MD5

dafe64fe925ed5cd19035e6f41c90c80
SHA1

2eda265f72d9e40f371f56442e42c1b4b1ad696a
SHA256

edc276c44c8d5d7cbe1dd871ff30553826d13a8971e1476db1d71f55e0fa7521
SHA512

0721f766deec0fb59f439dc8aaea5c419ff16318b2bef75001a7c4cba06bd9307ce8df8193f6d63c3b8af8e421e5941259259d1e47560317f3066699998c0a65
SSDEEP

393216:5XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:

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

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4032	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\ehbmhnft\ImagePath = "C:\\Windows\\SysWOW64\\ehbmhnft\\xzsdksgw.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-1-5-21-1290774215-692483676-1419523182-1000\Control Panel\International\Geo\Nation	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe

Deletes itself 1 IoCs

pid	Process
1236	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4948	xzsdksgw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4948 set thread context of 1236	4948	xzsdksgw.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
3824	sc.exe
1300	sc.exe
4964	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xzsdksgw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_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	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
4268	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 3956	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	89
PID 2540 wrote to memory of 3956	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	89
PID 2540 wrote to memory of 3956	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	89
PID 2540 wrote to memory of 2708	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	91
PID 2540 wrote to memory of 2708	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	91
PID 2540 wrote to memory of 2708	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	91
PID 2540 wrote to memory of 3824	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	93
PID 2540 wrote to memory of 3824	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	93
PID 2540 wrote to memory of 3824	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	93
PID 2540 wrote to memory of 1300	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	95
PID 2540 wrote to memory of 1300	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	95
PID 2540 wrote to memory of 1300	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	95
PID 2540 wrote to memory of 4964	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	97
PID 2540 wrote to memory of 4964	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	97
PID 2540 wrote to memory of 4964	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	97
PID 2540 wrote to memory of 4032	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	99
PID 2540 wrote to memory of 4032	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	99
PID 2540 wrote to memory of 4032	2540	2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe	99
PID 4948 wrote to memory of 1236	4948	xzsdksgw.exe	102
PID 4948 wrote to memory of 1236	4948	xzsdksgw.exe	102
PID 4948 wrote to memory of 1236	4948	xzsdksgw.exe	102
PID 4948 wrote to memory of 1236	4948	xzsdksgw.exe	102
PID 4948 wrote to memory of 1236	4948	xzsdksgw.exe	102

C:\Users\Admin\AppData\Local\Temp\2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ehbmhnft\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3956
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xzsdksgw.exe" C:\Windows\SysWOW64\ehbmhnft\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2708
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ehbmhnft binPath= "C:\Windows\SysWOW64\ehbmhnft\xzsdksgw.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3824
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ehbmhnft "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1300
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ehbmhnft
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4964
- 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:4032

C:\Windows\SysWOW64\ehbmhnft\xzsdksgw.exe
C:\Windows\SysWOW64\ehbmhnft\xzsdksgw.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_dafe64fe925ed5cd19035e6f41c90c80_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1236

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDQ5MjgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxNzQzMjM4OTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzE0Nzk1MjkyIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4268

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

Replay Monitor

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Downloads

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

Filesize
12.8MB

MD5
4c4650a8f4d09bf41b2657163ed653c2

SHA1
57dc3abbe7e9d9a02dea5b56849429a25903e015

SHA256
1d42c0f4595a5de33e3f35088ef7ad6cf89e5dd564d2bb1a69e6b8302d287017

SHA512
d565acb6fdca39e4ec3bf1f2265a56bd06e0da1eb45157b878754c117cc18a0cc39e0ef42e209fa06a6b2d7b9bf9428c0814c1b864f0ebbe7b295c1af3b7cb96

Download Submit
memory/1236-14-0x0000000000370000-0x0000000000385000-memory.dmp

Filesize
84KB

Download
memory/1236-19-0x0000000000370000-0x0000000000385000-memory.dmp

Filesize
84KB

Download
memory/1236-18-0x0000000000370000-0x0000000000385000-memory.dmp

Filesize
84KB

Download
memory/2540-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2540-7-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2540-1-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/2540-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2540-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2540-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4948-11-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4948-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4948-13-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4948-16-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads