tofsee | a7487a3d8d60ef88ef6c8ba1b5b49d453564fc1079c2c5cf8536b6582b5b12f9

General

Target

2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe
Size

11.5MB
MD5

a9c3ea43e06977ad555eb78862b88c6f
SHA1

708c3d914d5451c0de012dc4278fdce821b7ddc9
SHA256

a7487a3d8d60ef88ef6c8ba1b5b49d453564fc1079c2c5cf8536b6582b5b12f9
SHA512

d668c2bd9caf218997c00de69b1e0d264db188d121f5e1cd5d1770498d267335444c12298c3b3c183c9148b85ac1d163dd4be7b0852349707f44f8de1dbd7ba3
SSDEEP

6144:jLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQw:YTYe+D2jFu+iZoUFhAz

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
4388	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\ltqxocrj\ImagePath = "C:\\Windows\\SysWOW64\\ltqxocrj\\dbkluqfb.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe

Deletes itself 1 IoCs

pid	Process
508	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4980	dbkluqfb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4980 set thread context of 508	4980	dbkluqfb.exe	97

Launches sc.exe 3 IoCs

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

pid	Process
3284	sc.exe
4000	sc.exe
4212	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
1636	4980	WerFault.exe	93
4948	1236	WerFault.exe	82

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	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.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	cmd.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	dbkluqfb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 2572	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	83
PID 1236 wrote to memory of 2572	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	83
PID 1236 wrote to memory of 2572	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	83
PID 1236 wrote to memory of 2940	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	85
PID 1236 wrote to memory of 2940	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	85
PID 1236 wrote to memory of 2940	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	85
PID 1236 wrote to memory of 4212	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	87
PID 1236 wrote to memory of 4212	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	87
PID 1236 wrote to memory of 4212	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	87
PID 1236 wrote to memory of 3284	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	89
PID 1236 wrote to memory of 3284	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	89
PID 1236 wrote to memory of 3284	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	89
PID 1236 wrote to memory of 4000	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	91
PID 1236 wrote to memory of 4000	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	91
PID 1236 wrote to memory of 4000	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	91
PID 1236 wrote to memory of 4388	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	94
PID 1236 wrote to memory of 4388	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	94
PID 1236 wrote to memory of 4388	1236	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	94
PID 4980 wrote to memory of 508	4980	dbkluqfb.exe	97
PID 4980 wrote to memory of 508	4980	dbkluqfb.exe	97
PID 4980 wrote to memory of 508	4980	dbkluqfb.exe	97
PID 4980 wrote to memory of 508	4980	dbkluqfb.exe	97
PID 4980 wrote to memory of 508	4980	dbkluqfb.exe	97

C:\Users\Admin\AppData\Local\Temp\2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ltqxocrj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2572
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dbkluqfb.exe" C:\Windows\SysWOW64\ltqxocrj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ltqxocrj binPath= "C:\Windows\SysWOW64\ltqxocrj\dbkluqfb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4212
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ltqxocrj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3284
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ltqxocrj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4000
- 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:4388
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1236 -s 1036
  2⤵
  - Program crash
  PID:4948

C:\Windows\SysWOW64\ltqxocrj\dbkluqfb.exe
C:\Windows\SysWOW64\ltqxocrj\dbkluqfb.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4980
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:508
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4980 -s 516
  2⤵
  - Program crash
  PID:1636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4980 -ip 4980
1⤵
PID:1464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1236 -ip 1236
1⤵
PID:4684

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\dbkluqfb.exe

Filesize
10.9MB

MD5
d92f3c113ad3487e644f9661989ae456

SHA1
2ca7b279499cef94e8b3c83e5b38ea63719e43d8

SHA256
93ba3aceabaa6c5ef710fdb47025f181b08f7430e5690cf2d2a479d801e7eccd

SHA512
18a360f63b08b2603380d647094e8dca299d7ff744318c79c9a39b519159b183408da5814acbe4c7a48cdad69ae4e3251d29c56c4060ba5186db27deed006728

Download Submit
memory/508-10-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/508-19-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/508-21-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/508-13-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/508-20-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/1236-2-0x0000000000530000-0x0000000000543000-memory.dmp

Filesize
76KB

Download
memory/1236-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1236-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/1236-16-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1236-17-0x0000000000530000-0x0000000000543000-memory.dmp

Filesize
76KB

Download
memory/1236-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4980-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4980-15-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4980-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads