tofsee | 21357848492562600821029f2e52e3b4670465097d6de080758a323b5014df7a

General

Target

2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe
Size

13.5MB
MD5

5902771d2cea8460388d23fbcac64799
SHA1

22a47f9a53b3e1cb5670eb06416b4b8523bc50bd
SHA256

21357848492562600821029f2e52e3b4670465097d6de080758a323b5014df7a
SHA512

78a222f3f26577b74aa012869d9717f14d54ab7575816d7e385eed525091f0f828bc66d01028b79812a95e421f7994ee51feebcb268ff5eb7ba2cb6bca082c4e
SSDEEP

24576:bpomTTN9ttttttttttttttttttttttttttttttttttttttttttttttttttttttt/:too

Score

10^/10

tofsee discovery evasion 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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
812	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\jhaxckji\ImagePath = "C:\\Windows\\SysWOW64\\jhaxckji\\mggxirik.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe

Deletes itself 1 IoCs

pid	Process
1576	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2752	mggxirik.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2752 set thread context of 1576	2752	mggxirik.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
4636	sc.exe
1748	sc.exe
3204	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
5060	3620	WerFault.exe	82
400	2752	WerFault.exe	93

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	sc.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	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mggxirik.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 3860	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	83
PID 3620 wrote to memory of 3860	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	83
PID 3620 wrote to memory of 3860	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	83
PID 3620 wrote to memory of 1744	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	85
PID 3620 wrote to memory of 1744	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	85
PID 3620 wrote to memory of 1744	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	85
PID 3620 wrote to memory of 3204	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	87
PID 3620 wrote to memory of 3204	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	87
PID 3620 wrote to memory of 3204	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	87
PID 3620 wrote to memory of 4636	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	89
PID 3620 wrote to memory of 4636	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	89
PID 3620 wrote to memory of 4636	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	89
PID 3620 wrote to memory of 1748	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	91
PID 3620 wrote to memory of 1748	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	91
PID 3620 wrote to memory of 1748	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	91
PID 3620 wrote to memory of 812	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	94
PID 3620 wrote to memory of 812	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	94
PID 3620 wrote to memory of 812	3620	2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe	94
PID 2752 wrote to memory of 1576	2752	mggxirik.exe	100
PID 2752 wrote to memory of 1576	2752	mggxirik.exe	100
PID 2752 wrote to memory of 1576	2752	mggxirik.exe	100
PID 2752 wrote to memory of 1576	2752	mggxirik.exe	100
PID 2752 wrote to memory of 1576	2752	mggxirik.exe	100

C:\Users\Admin\AppData\Local\Temp\2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jhaxckji\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3860
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mggxirik.exe" C:\Windows\SysWOW64\jhaxckji\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1744
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jhaxckji binPath= "C:\Windows\SysWOW64\jhaxckji\mggxirik.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3204
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jhaxckji "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4636
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jhaxckji
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1748
- 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:812
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 1236
  2⤵
  - Program crash
  PID:5060

C:\Windows\SysWOW64\jhaxckji\mggxirik.exe
C:\Windows\SysWOW64\jhaxckji\mggxirik.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-19_5902771d2cea8460388d23fbcac64799_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1576
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 512
  2⤵
  - Program crash
  PID:400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3620 -ip 3620
1⤵
PID:2556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2752 -ip 2752
1⤵
PID:1200

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\mggxirik.exe

Filesize
11.9MB

MD5
ddc97be4f0a9348a8665f9938ea0365a

SHA1
4554cfc131d3f8485f81a08a3237fbc11fa8f9a9

SHA256
999cb7e3135e864c0b8de04b60bb78ff8d945971ea3e2f303967fe8a826ab1ad

SHA512
25c88874c510754ea1890c5403a2ce63ad710f30af013ffa935b3deda98a45160e972966339e990619dbd955fcd597375586ded6164791c82276d003aa4bf2f3

Download Submit
memory/1576-14-0x0000000001010000-0x0000000001025000-memory.dmp

Filesize
84KB

Download
memory/1576-16-0x0000000001010000-0x0000000001025000-memory.dmp

Filesize
84KB

Download
memory/1576-17-0x0000000001010000-0x0000000001025000-memory.dmp

Filesize
84KB

Download
memory/2752-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2752-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2752-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2752-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3620-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3620-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/3620-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3620-8-0x0000000000570000-0x0000000000583000-memory.dmp

Filesize
76KB

Download
memory/3620-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3620-2-0x0000000000570000-0x0000000000583000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads