tofsee | 7c40fac3721a2914f2a4530d1f1a1502b1a938ab4460b81114a4ffae24a2bc6b

Analysis

max time kernel
147s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 11:33

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General

Target

2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe
Size

12.3MB
MD5

c08ee0f72d36662052d851b668fd2a14
SHA1

77f6c9794926b8cad6b2347007094a22faedc9b1
SHA256

7c40fac3721a2914f2a4530d1f1a1502b1a938ab4460b81114a4ffae24a2bc6b
SHA512

a5e1193bda4216e99639b847a3cf19712f839e819f0f79e92c918a841f24db1a2b6903f9bdd466f296f28359f18f8caf30e71f3f9d70f7d2d30fadb731185c3c
SSDEEP

24576:R6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ1:4WdLQkf

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\qvrehgqf = "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
3008	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\qvrehgqf\ImagePath = "C:\\Windows\\SysWOW64\\qvrehgqf\\eefqlmks.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2568	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2856	eefqlmks.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2856 set thread context of 2568	2856	eefqlmks.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
344	sc.exe
2488	sc.exe
2800	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	2025-02-01_c08ee0f72d36662052d851b668fd2a14_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	eefqlmks.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 2084 wrote to memory of 2088	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	30
PID 2084 wrote to memory of 2088	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	30
PID 2084 wrote to memory of 2088	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	30
PID 2084 wrote to memory of 2088	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	30
PID 2084 wrote to memory of 2412	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	32
PID 2084 wrote to memory of 2412	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	32
PID 2084 wrote to memory of 2412	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	32
PID 2084 wrote to memory of 2412	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	32
PID 2084 wrote to memory of 344	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	34
PID 2084 wrote to memory of 344	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	34
PID 2084 wrote to memory of 344	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	34
PID 2084 wrote to memory of 344	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	34
PID 2084 wrote to memory of 2488	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	36
PID 2084 wrote to memory of 2488	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	36
PID 2084 wrote to memory of 2488	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	36
PID 2084 wrote to memory of 2488	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	36
PID 2084 wrote to memory of 2800	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	38
PID 2084 wrote to memory of 2800	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	38
PID 2084 wrote to memory of 2800	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	38
PID 2084 wrote to memory of 2800	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	38
PID 2856 wrote to memory of 2568	2856	eefqlmks.exe	41
PID 2856 wrote to memory of 2568	2856	eefqlmks.exe	41
PID 2856 wrote to memory of 2568	2856	eefqlmks.exe	41
PID 2856 wrote to memory of 2568	2856	eefqlmks.exe	41
PID 2856 wrote to memory of 2568	2856	eefqlmks.exe	41
PID 2856 wrote to memory of 2568	2856	eefqlmks.exe	41
PID 2084 wrote to memory of 3008	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	42
PID 2084 wrote to memory of 3008	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	42
PID 2084 wrote to memory of 3008	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	42
PID 2084 wrote to memory of 3008	2084	2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qvrehgqf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2088
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\eefqlmks.exe" C:\Windows\SysWOW64\qvrehgqf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2412
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qvrehgqf binPath= "C:\Windows\SysWOW64\qvrehgqf\eefqlmks.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:344
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qvrehgqf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2488
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qvrehgqf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2800
- 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:3008

C:\Windows\SysWOW64\qvrehgqf\eefqlmks.exe
C:\Windows\SysWOW64\qvrehgqf\eefqlmks.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_c08ee0f72d36662052d851b668fd2a14_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- 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:2568

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\eefqlmks.exe

Filesize
12.8MB

MD5
0735a2105076fcf1371de5da4e37179d

SHA1
71272eea98a3eed3695e45d16383891e60c19d4c

SHA256
6d56bf715762f50168256a6f5a2428fa90053279f9c89afb6965d234d1731f16

SHA512
75bcb80de1e532210325db8be849cd1b0144e680ff44ad8ddfcd73f7a939a94a9575c4c7c39c55b2642cffc5dcbaeea7d04705caf803a81cb999774515ddb6ce

Download Submit
memory/2084-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2084-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2084-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2084-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/2084-14-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2084-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2568-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2568-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2568-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2568-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2568-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2856-16-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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