tofsee | deca27efcb76e9f1367b6e1c000637e8bbece45ad54f46eb2cbf92bbaff61653

Analysis

max time kernel
145s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
28/01/2025, 15:43

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General

Target

2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe
Size

13.0MB
MD5

73fac9797acbd907ea90abc6b3daec3e
SHA1

e87ffea509e39d8abf5bf8b6a0a848ae2f71e225
SHA256

deca27efcb76e9f1367b6e1c000637e8bbece45ad54f46eb2cbf92bbaff61653
SHA512

5e6bca82ceaa8d506abf874244e831b623f579ba54e234408904e77e9eabf8b178d44fd149a8d428f9768165e7179ec72d53c526fa04974899f74aef72404322
SSDEEP

24576:FEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ6:Ofotw

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\qkbdmjqe = "0"	svchost.exe

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
2824	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\qkbdmjqe\ImagePath = "C:\\Windows\\SysWOW64\\qkbdmjqe\\xrritctv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2192	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2740	xrritctv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2740 set thread context of 2192	2740	xrritctv.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2356	sc.exe
1952	sc.exe
2452	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

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	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_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	xrritctv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2544	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	30
PID 1740 wrote to memory of 2544	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	30
PID 1740 wrote to memory of 2544	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	30
PID 1740 wrote to memory of 2544	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	30
PID 1740 wrote to memory of 1488	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	32
PID 1740 wrote to memory of 1488	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	32
PID 1740 wrote to memory of 1488	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	32
PID 1740 wrote to memory of 1488	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	32
PID 1740 wrote to memory of 2356	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	34
PID 1740 wrote to memory of 2356	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	34
PID 1740 wrote to memory of 2356	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	34
PID 1740 wrote to memory of 2356	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	34
PID 1740 wrote to memory of 1952	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	36
PID 1740 wrote to memory of 1952	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	36
PID 1740 wrote to memory of 1952	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	36
PID 1740 wrote to memory of 1952	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	36
PID 1740 wrote to memory of 2452	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	38
PID 1740 wrote to memory of 2452	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	38
PID 1740 wrote to memory of 2452	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	38
PID 1740 wrote to memory of 2452	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	38
PID 2740 wrote to memory of 2192	2740	xrritctv.exe	41
PID 2740 wrote to memory of 2192	2740	xrritctv.exe	41
PID 2740 wrote to memory of 2192	2740	xrritctv.exe	41
PID 2740 wrote to memory of 2192	2740	xrritctv.exe	41
PID 2740 wrote to memory of 2192	2740	xrritctv.exe	41
PID 2740 wrote to memory of 2192	2740	xrritctv.exe	41
PID 1740 wrote to memory of 2824	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	42
PID 1740 wrote to memory of 2824	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	42
PID 1740 wrote to memory of 2824	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	42
PID 1740 wrote to memory of 2824	1740	2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qkbdmjqe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xrritctv.exe" C:\Windows\SysWOW64\qkbdmjqe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1488
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qkbdmjqe binPath= "C:\Windows\SysWOW64\qkbdmjqe\xrritctv.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2356
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qkbdmjqe "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1952
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qkbdmjqe
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2452
- 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:2824

C:\Windows\SysWOW64\qkbdmjqe\xrritctv.exe
C:\Windows\SysWOW64\qkbdmjqe\xrritctv.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_73fac9797acbd907ea90abc6b3daec3e_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
10.7MB

MD5
103f944ce725ed3f98079d2faa99f0d7

SHA1
fc7f0507fc3da96803f4274566b82050c5c4fc6c

SHA256
50cb7f811db73320ccdee9af1f2ea6ebdec8bbe1c5e0f78c215631d3513dcc36

SHA512
a273bbc499875c76c50b7d05cdf8db6a17db00e11695d2ca945f72a26f0c7e70b1c66ce4300bef99701ead37913a9e31247c9d818eb1052a070f10c0b20cf80b

Download Submit
memory/1740-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1740-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1740-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1740-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1740-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

Filesize
1024KB

Download
memory/1740-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2192-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2192-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2192-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2192-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2192-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2740-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads