tofsee | 2ebbb4ef6e9f5211032e4bad41c177a78da76bdcf758763ac303b4d83e337101

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 19:39

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General

Target

2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe
Size

14.0MB
MD5

a96468e58b3466b20b0c3ae964bad440
SHA1

0315c00f420825d06c91fe193dbfa8ed993b591d
SHA256

2ebbb4ef6e9f5211032e4bad41c177a78da76bdcf758763ac303b4d83e337101
SHA512

0d303dbf1b87bb3247e7c834cf169d5a30ee8cc4b0a607fd93fad78a06c0d124e95d7bea6099cb81cbad688294c2bd41c4ef2ceec5a9af1d184ee1984b8c47b4
SSDEEP

3072:MLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:pOMdRQr7OB0ypmMXnl8XEPM3noSWOC

Score

10^/10

tofsee discovery evasion 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

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\wmtdfvdo = "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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2848	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\wmtdfvdo\ImagePath = "C:\\Windows\\SysWOW64\\wmtdfvdo\\dlaerpyy.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2812	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2900	dlaerpyy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2900 set thread context of 2812	2900	dlaerpyy.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2776	sc.exe
2880	sc.exe
2752	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	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	dlaerpyy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.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	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 2544 wrote to memory of 2560	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	30
PID 2544 wrote to memory of 2560	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	30
PID 2544 wrote to memory of 2560	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	30
PID 2544 wrote to memory of 2560	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	30
PID 2544 wrote to memory of 316	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	32
PID 2544 wrote to memory of 316	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	32
PID 2544 wrote to memory of 316	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	32
PID 2544 wrote to memory of 316	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	32
PID 2544 wrote to memory of 2776	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	34
PID 2544 wrote to memory of 2776	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	34
PID 2544 wrote to memory of 2776	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	34
PID 2544 wrote to memory of 2776	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	34
PID 2544 wrote to memory of 2880	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	36
PID 2544 wrote to memory of 2880	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	36
PID 2544 wrote to memory of 2880	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	36
PID 2544 wrote to memory of 2880	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	36
PID 2544 wrote to memory of 2752	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	38
PID 2544 wrote to memory of 2752	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	38
PID 2544 wrote to memory of 2752	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	38
PID 2544 wrote to memory of 2752	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	38
PID 2900 wrote to memory of 2812	2900	dlaerpyy.exe	41
PID 2900 wrote to memory of 2812	2900	dlaerpyy.exe	41
PID 2900 wrote to memory of 2812	2900	dlaerpyy.exe	41
PID 2900 wrote to memory of 2812	2900	dlaerpyy.exe	41
PID 2900 wrote to memory of 2812	2900	dlaerpyy.exe	41
PID 2900 wrote to memory of 2812	2900	dlaerpyy.exe	41
PID 2544 wrote to memory of 2848	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	42
PID 2544 wrote to memory of 2848	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	42
PID 2544 wrote to memory of 2848	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	42
PID 2544 wrote to memory of 2848	2544	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wmtdfvdo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dlaerpyy.exe" C:\Windows\SysWOW64\wmtdfvdo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:316
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wmtdfvdo binPath= "C:\Windows\SysWOW64\wmtdfvdo\dlaerpyy.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wmtdfvdo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wmtdfvdo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2752
- 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:2848

C:\Windows\SysWOW64\wmtdfvdo\dlaerpyy.exe
C:\Windows\SysWOW64\wmtdfvdo\dlaerpyy.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2900
- 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:2812

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\dlaerpyy.exe

Filesize
14.5MB

MD5
0558c68f0d0851957f68b92776a11db3

SHA1
0c4d2a8f71d8ac0f0a17832070b58463d8624728

SHA256
46c7709a9bc91cb59607637088d55ce13f9ac16f195005afcf284b01bef7ba38

SHA512
89087782e40ece88c892dde49240f937ecca8556602e3c6aa4e7c3412ca62dd3176951570382ad82acafc0e323850c51f5af09de61233a042ed2c2705cd7eb51

Download Submit
memory/2544-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2544-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2544-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2544-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2544-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2544-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2812-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2812-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2812-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2812-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2812-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2900-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads