tofsee | 70335ad42fc07389ef9216db1ba762cf6c94961c7f09ed79d312d3598531f16b

General

Target

2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe
Size

12.9MB
MD5

9f57f133156ab888e4634aa88b4be52a
SHA1

b57ace31ad7c3d65b207cab351a34b2b86ed9ea5
SHA256

70335ad42fc07389ef9216db1ba762cf6c94961c7f09ed79d312d3598531f16b
SHA512

35f1c030ec8031afa29ca2790e42d136c21355568c72960c579341b8396c0d87c64017751428f77643d39848720b11c5ee552b8355a5ee44c0e7857f413d3b87
SSDEEP

3072:6LBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:jOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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
41	2692	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
2640	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\wxlasmxj\ImagePath = "C:\\Windows\\SysWOW64\\wxlasmxj\\irlqihcy.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-1-5-21-705198581-2062733989-3666524522-1000\Control Panel\International\Geo\Nation	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe

Deletes itself 1 IoCs

pid	Process
3084	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2868	irlqihcy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2868 set thread context of 3084	2868	irlqihcy.exe	105

Launches sc.exe 3 IoCs

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

pid	Process
3832	sc.exe
4376	sc.exe
1740	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
2616	4460	WerFault.exe	85
4080	2868	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	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_9f57f133156ab888e4634aa88b4be52a_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	irlqihcy.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

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
2148	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 5012	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	89
PID 4460 wrote to memory of 5012	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	89
PID 4460 wrote to memory of 5012	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	89
PID 4460 wrote to memory of 4680	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	91
PID 4460 wrote to memory of 4680	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	91
PID 4460 wrote to memory of 4680	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	91
PID 4460 wrote to memory of 4376	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	93
PID 4460 wrote to memory of 4376	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	93
PID 4460 wrote to memory of 4376	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	93
PID 4460 wrote to memory of 1740	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	95
PID 4460 wrote to memory of 1740	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	95
PID 4460 wrote to memory of 1740	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	95
PID 4460 wrote to memory of 3832	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	97
PID 4460 wrote to memory of 3832	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	97
PID 4460 wrote to memory of 3832	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	97
PID 4460 wrote to memory of 2640	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	100
PID 4460 wrote to memory of 2640	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	100
PID 4460 wrote to memory of 2640	4460	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	100
PID 2868 wrote to memory of 3084	2868	irlqihcy.exe	105
PID 2868 wrote to memory of 3084	2868	irlqihcy.exe	105
PID 2868 wrote to memory of 3084	2868	irlqihcy.exe	105
PID 2868 wrote to memory of 3084	2868	irlqihcy.exe	105
PID 2868 wrote to memory of 3084	2868	irlqihcy.exe	105

C:\Users\Admin\AppData\Local\Temp\2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wxlasmxj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5012
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\irlqihcy.exe" C:\Windows\SysWOW64\wxlasmxj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4680
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wxlasmxj binPath= "C:\Windows\SysWOW64\wxlasmxj\irlqihcy.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4376
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wxlasmxj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wxlasmxj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3832
- 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:2640
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 680
  2⤵
  - Program crash
  PID:2616

C:\Windows\SysWOW64\wxlasmxj\irlqihcy.exe
C:\Windows\SysWOW64\wxlasmxj\irlqihcy.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3084
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 516
  2⤵
  - Program crash
  PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4460 -ip 4460
1⤵
PID:3156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2868 -ip 2868
1⤵
PID:4860

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU4NjAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODIxNjMwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MjUyNjM3MjEwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2148

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\irlqihcy.exe

Filesize
12.9MB

MD5
3732ed8b68ce4eb8244f67ef2a4ef9f6

SHA1
f661da1cd6777b7d2ca33c2aaf3a128cd4fe2d91

SHA256
fc232dbbb4895ab9b1ec0fe26672596bb5b4c0b2e4a172dbc30b85b8eaaacb88

SHA512
6bea48a7fafd2795f3ea5b9a28da9c04144a20e5dd4d0871f9817e1556ce6c28ad60d915307de9760655f690c3da904ae2fa9a4acdcaa6bd09639ce7a200c551

Download Submit
memory/2868-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2868-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2868-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2868-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3084-14-0x00000000010C0000-0x00000000010D5000-memory.dmp

Filesize
84KB

Download
memory/3084-16-0x00000000010C0000-0x00000000010D5000-memory.dmp

Filesize
84KB

Download
memory/3084-17-0x00000000010C0000-0x00000000010D5000-memory.dmp

Filesize
84KB

Download
memory/4460-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4460-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4460-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4460-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4460-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4460-1-0x00000000006D0000-0x00000000007D0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads