tofsee | 19c4f66ba2ad78aafe9faea7572a2e3cbc2597442350bc602b6895c21432263a

Analysis

max time kernel
160s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 21:20

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General

Target

2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe
Size

11.4MB
MD5

a1b57ac6c430760b3cadfc2f81900e94
SHA1

eee2f7cfef052cc534ab615d3f9cb0da4cc7a3e9
SHA256

19c4f66ba2ad78aafe9faea7572a2e3cbc2597442350bc602b6895c21432263a
SHA512

7ca85a839308787658eac09e79845b2bde90e5145c844a287dec9a3b4ea0ba21f2520698d527a066423594773c1cd492d733f05dd1b7b28247f1f4ae2e2e9a5a
SSDEEP

24576:HEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZb:kfot

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\hxlbtnmf = "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
2772	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\hxlbtnmf\ImagePath = "C:\\Windows\\SysWOW64\\hxlbtnmf\\qcbpaksm.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
832	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2500	qcbpaksm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2500 set thread context of 832	2500	qcbpaksm.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
3040	sc.exe
636	sc.exe
2936	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	qcbpaksm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_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	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 604 wrote to memory of 3008	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	30
PID 604 wrote to memory of 3008	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	30
PID 604 wrote to memory of 3008	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	30
PID 604 wrote to memory of 3008	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	30
PID 604 wrote to memory of 2032	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	32
PID 604 wrote to memory of 2032	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	32
PID 604 wrote to memory of 2032	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	32
PID 604 wrote to memory of 2032	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	32
PID 604 wrote to memory of 3040	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	34
PID 604 wrote to memory of 3040	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	34
PID 604 wrote to memory of 3040	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	34
PID 604 wrote to memory of 3040	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	34
PID 604 wrote to memory of 636	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	36
PID 604 wrote to memory of 636	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	36
PID 604 wrote to memory of 636	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	36
PID 604 wrote to memory of 636	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	36
PID 604 wrote to memory of 2936	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	38
PID 604 wrote to memory of 2936	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	38
PID 604 wrote to memory of 2936	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	38
PID 604 wrote to memory of 2936	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	38
PID 604 wrote to memory of 2772	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	40
PID 604 wrote to memory of 2772	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	40
PID 604 wrote to memory of 2772	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	40
PID 604 wrote to memory of 2772	604	2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe	40
PID 2500 wrote to memory of 832	2500	qcbpaksm.exe	43
PID 2500 wrote to memory of 832	2500	qcbpaksm.exe	43
PID 2500 wrote to memory of 832	2500	qcbpaksm.exe	43
PID 2500 wrote to memory of 832	2500	qcbpaksm.exe	43
PID 2500 wrote to memory of 832	2500	qcbpaksm.exe	43
PID 2500 wrote to memory of 832	2500	qcbpaksm.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:604
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hxlbtnmf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3008
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qcbpaksm.exe" C:\Windows\SysWOW64\hxlbtnmf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2032
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hxlbtnmf binPath= "C:\Windows\SysWOW64\hxlbtnmf\qcbpaksm.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3040
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hxlbtnmf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:636
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hxlbtnmf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2936
- 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:2772

C:\Windows\SysWOW64\hxlbtnmf\qcbpaksm.exe
C:\Windows\SysWOW64\hxlbtnmf\qcbpaksm.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_a1b57ac6c430760b3cadfc2f81900e94_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- 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:832

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\qcbpaksm.exe

Filesize
12.6MB

MD5
ac5c80ecf0b219d948033d7369997d4b

SHA1
a807a85a1ed921ea409849a84fa3b8903519a207

SHA256
ef8ab70df598386e34bd274540fb7253573ec68725ab80f22decd595d4384b3d

SHA512
0f2e23c02a0186818e1d85e817a808cc43258c7604ad487f621ae005516c68ed02efcce46924b866b84ae566d9dcf6794465d60a27f1c5bb2a216bca34292db9

Download Submit
memory/604-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/604-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/604-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/604-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/604-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/604-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/832-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/832-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/832-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/832-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/832-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2500-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads