tofsee | 19a838115c7b214cc1fd6553919625177c53e59bfc4b91f9cfa722521b541ec4

General

Target

2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe
Size

13.9MB
MD5

fa6269d5097c6b9d281e7202e720f2de
SHA1

a315fd17fbe43fb28c462d3824addcd18f80bbd4
SHA256

19a838115c7b214cc1fd6553919625177c53e59bfc4b91f9cfa722521b541ec4
SHA512

adf3bd1f836896101d78473b8ba78dae05a904f68ee61b1def026c38867c50f33d138d0958f76b3348d2fec0d98a4ba86b026fbcbde423a9715b9cf2a8c49574
SSDEEP

24576:UpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttV:gooz

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
63	4652	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
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\aflkoahv\ImagePath = "C:\\Windows\\SysWOW64\\aflkoahv\\wnjqhgko.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-1-5-21-3311063739-2594902809-44604183-1000\Control Panel\International\Geo\Nation	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe

Deletes itself 1 IoCs

pid	Process
5024	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4920	wnjqhgko.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4920 set thread context of 5024	4920	wnjqhgko.exe	107

Launches sc.exe 3 IoCs

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

pid	Process
4584	sc.exe
3196	sc.exe
2472	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
1748	2600	WerFault.exe	85
3164	4920	WerFault.exe	100

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	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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	wnjqhgko.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.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
3844	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2320	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	89
PID 2600 wrote to memory of 2320	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	89
PID 2600 wrote to memory of 2320	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	89
PID 2600 wrote to memory of 1096	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	92
PID 2600 wrote to memory of 1096	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	92
PID 2600 wrote to memory of 1096	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	92
PID 2600 wrote to memory of 2472	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	94
PID 2600 wrote to memory of 2472	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	94
PID 2600 wrote to memory of 2472	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	94
PID 2600 wrote to memory of 4584	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	96
PID 2600 wrote to memory of 4584	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	96
PID 2600 wrote to memory of 4584	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	96
PID 2600 wrote to memory of 3196	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	98
PID 2600 wrote to memory of 3196	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	98
PID 2600 wrote to memory of 3196	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	98
PID 2600 wrote to memory of 4032	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	102
PID 2600 wrote to memory of 4032	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	102
PID 2600 wrote to memory of 4032	2600	2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe	102
PID 4920 wrote to memory of 5024	4920	wnjqhgko.exe	107
PID 4920 wrote to memory of 5024	4920	wnjqhgko.exe	107
PID 4920 wrote to memory of 5024	4920	wnjqhgko.exe	107
PID 4920 wrote to memory of 5024	4920	wnjqhgko.exe	107
PID 4920 wrote to memory of 5024	4920	wnjqhgko.exe	107

C:\Users\Admin\AppData\Local\Temp\2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aflkoahv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2320
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wnjqhgko.exe" C:\Windows\SysWOW64\aflkoahv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1096
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create aflkoahv binPath= "C:\Windows\SysWOW64\aflkoahv\wnjqhgko.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2472
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description aflkoahv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4584
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start aflkoahv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3196
- 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\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 1028
  2⤵
  - Program crash
  PID:1748

C:\Windows\SysWOW64\aflkoahv\wnjqhgko.exe
C:\Windows\SysWOW64\aflkoahv\wnjqhgko.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:5024
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 512
  2⤵
  - Program crash
  PID:3164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2600 -ip 2600
1⤵
PID:1236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4920 -ip 4920
1⤵
PID:4916

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI1IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MjMwODE0Mjc1Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3844

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\wnjqhgko.exe

Filesize
12.7MB

MD5
da9ecd37da34ab5dcc7aabf44ff60947

SHA1
f712618a365bdbfdccb76e2003661bee8dcccc17

SHA256
0ec58f18d7bf33a565b7bc3d959d05383b0db8427bb85a1c663054159dc52ba7

SHA512
cde6a14ed324c94eabf6f46e490de2b460d845fb6531e79126117105d0d9e0f428fb8120303c91a9d5cb3e67ac7b7dacb9526dd1d0a5c4893213694271ae14a4

Download Submit
memory/2600-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/2600-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2600-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/2600-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2600-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2600-1-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/4920-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4920-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4920-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4920-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/5024-14-0x00000000006E0000-0x00000000006F5000-memory.dmp

Filesize
84KB

Download
memory/5024-16-0x00000000006E0000-0x00000000006F5000-memory.dmp

Filesize
84KB

Download
memory/5024-17-0x00000000006E0000-0x00000000006F5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads