tofsee | a7b69c17aceb7d0e23f45da66d6947e49543fcb0faad432bb6a45a7ea2593376

General

Target

2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe
Size

12.8MB
MD5

8c2f86285f5b31faeea42683220f6be9
SHA1

720d579154ba157c6c43f1a03204c2eedb4414e0
SHA256

a7b69c17aceb7d0e23f45da66d6947e49543fcb0faad432bb6a45a7ea2593376
SHA512

45f317d7ebbcfe7b1b05f16d8476a17988d14ab805a8a39fbc635ff5a5bed8cc3a4f827f82876ad030b955b3d18997501d5d2fe011ade9cf03b78ec1cf7b295e
SSDEEP

24576:PEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZM:Mfote

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
2088	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\ofmqipih\ImagePath = "C:\\Windows\\SysWOW64\\ofmqipih\\oxrwonie.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe

Deletes itself 1 IoCs

pid	Process
2084	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4676	oxrwonie.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4676 set thread context of 2084	4676	oxrwonie.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
3964	sc.exe
1096	sc.exe
1364	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1624	4884	WerFault.exe	81
1168	4676	WerFault.exe	92

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-30_8c2f86285f5b31faeea42683220f6be9_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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oxrwonie.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 3748	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	82
PID 4884 wrote to memory of 3748	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	82
PID 4884 wrote to memory of 3748	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	82
PID 4884 wrote to memory of 4204	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	84
PID 4884 wrote to memory of 4204	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	84
PID 4884 wrote to memory of 4204	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	84
PID 4884 wrote to memory of 3964	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	86
PID 4884 wrote to memory of 3964	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	86
PID 4884 wrote to memory of 3964	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	86
PID 4884 wrote to memory of 1096	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	88
PID 4884 wrote to memory of 1096	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	88
PID 4884 wrote to memory of 1096	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	88
PID 4884 wrote to memory of 1364	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	90
PID 4884 wrote to memory of 1364	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	90
PID 4884 wrote to memory of 1364	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	90
PID 4884 wrote to memory of 2088	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	93
PID 4884 wrote to memory of 2088	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	93
PID 4884 wrote to memory of 2088	4884	2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe	93
PID 4676 wrote to memory of 2084	4676	oxrwonie.exe	98
PID 4676 wrote to memory of 2084	4676	oxrwonie.exe	98
PID 4676 wrote to memory of 2084	4676	oxrwonie.exe	98
PID 4676 wrote to memory of 2084	4676	oxrwonie.exe	98
PID 4676 wrote to memory of 2084	4676	oxrwonie.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4884
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ofmqipih\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3748
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\oxrwonie.exe" C:\Windows\SysWOW64\ofmqipih\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4204
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ofmqipih binPath= "C:\Windows\SysWOW64\ofmqipih\oxrwonie.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3964
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ofmqipih "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1096
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ofmqipih
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1364
- 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:2088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4884 -s 1044
  2⤵
  - Program crash
  PID:1624

C:\Windows\SysWOW64\ofmqipih\oxrwonie.exe
C:\Windows\SysWOW64\ofmqipih\oxrwonie.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8c2f86285f5b31faeea42683220f6be9_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2084
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 512
  2⤵
  - Program crash
  PID:1168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4884 -ip 4884
1⤵
PID:1260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4676 -ip 4676
1⤵
PID:4796

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
11.0MB

MD5
384ee124946d1527131acecf2afaec6c

SHA1
bda929f8a354e979ba19250706e8de5ffee1169c

SHA256
023aaccd11c6fcbb00167f5840c50855e1a0e6bbf7b6613bc3d6a12d517c2023

SHA512
36f12e0a279c44c9f4700f3365d0bc54141ccce902c7f3d9371d8a0694ed7b2410893672df3dfc78bceebcf24eaf513a20d999dda2865c683a14c11eede9699b

Download Submit
memory/2084-14-0x00000000001A0000-0x00000000001B5000-memory.dmp

Filesize
84KB

Download
memory/2084-17-0x00000000001A0000-0x00000000001B5000-memory.dmp

Filesize
84KB

Download
memory/2084-16-0x00000000001A0000-0x00000000001B5000-memory.dmp

Filesize
84KB

Download
memory/4676-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4676-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4676-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4676-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4884-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4884-8-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/4884-1-0x0000000000660000-0x0000000000760000-memory.dmp

Filesize
1024KB

Download
memory/4884-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4884-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4884-2-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads