tofsee | 17afeb97d4656c3c6543c32937673c8d0996e2b852811995f998bb44811fc393

Analysis

max time kernel
144s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 19:05

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General

Target

2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe
Size

13.5MB
MD5

40de753ae75251c4ba1910408ad71dfc
SHA1

7842fa9f32079e5b5525d77d1c1d7a87da02b340
SHA256

17afeb97d4656c3c6543c32937673c8d0996e2b852811995f998bb44811fc393
SHA512

39ef9e23243ad5489a253457fa77f02a6695cea351f8a63b66e36dff76c5dfc198253decf7268f1b28bd8e296ea4d484f7d6aac4eed5b0cc05629a36f2c1cd58
SSDEEP

3072:vLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:mOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\cgkzmmnw = "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
2676	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\cgkzmmnw\ImagePath = "C:\\Windows\\SysWOW64\\cgkzmmnw\\qmeebqpd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1640	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2620	qmeebqpd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2620 set thread context of 1640	2620	qmeebqpd.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2848	sc.exe
2836	sc.exe
2552	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qmeebqpd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-25_40de753ae75251c4ba1910408ad71dfc_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2824	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	31
PID 2704 wrote to memory of 2824	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	31
PID 2704 wrote to memory of 2824	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	31
PID 2704 wrote to memory of 2824	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	31
PID 2704 wrote to memory of 2852	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	33
PID 2704 wrote to memory of 2852	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	33
PID 2704 wrote to memory of 2852	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	33
PID 2704 wrote to memory of 2852	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	33
PID 2704 wrote to memory of 2848	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	35
PID 2704 wrote to memory of 2848	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	35
PID 2704 wrote to memory of 2848	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	35
PID 2704 wrote to memory of 2848	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	35
PID 2704 wrote to memory of 2836	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	37
PID 2704 wrote to memory of 2836	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	37
PID 2704 wrote to memory of 2836	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	37
PID 2704 wrote to memory of 2836	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	37
PID 2704 wrote to memory of 2552	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	39
PID 2704 wrote to memory of 2552	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	39
PID 2704 wrote to memory of 2552	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	39
PID 2704 wrote to memory of 2552	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	39
PID 2704 wrote to memory of 2676	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	42
PID 2704 wrote to memory of 2676	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	42
PID 2704 wrote to memory of 2676	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	42
PID 2704 wrote to memory of 2676	2704	2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe	42
PID 2620 wrote to memory of 1640	2620	qmeebqpd.exe	44
PID 2620 wrote to memory of 1640	2620	qmeebqpd.exe	44
PID 2620 wrote to memory of 1640	2620	qmeebqpd.exe	44
PID 2620 wrote to memory of 1640	2620	qmeebqpd.exe	44
PID 2620 wrote to memory of 1640	2620	qmeebqpd.exe	44
PID 2620 wrote to memory of 1640	2620	qmeebqpd.exe	44

C:\Users\Admin\AppData\Local\Temp\2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cgkzmmnw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2824
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qmeebqpd.exe" C:\Windows\SysWOW64\cgkzmmnw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2852
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cgkzmmnw binPath= "C:\Windows\SysWOW64\cgkzmmnw\qmeebqpd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2848
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cgkzmmnw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cgkzmmnw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2552
- 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:2676

C:\Windows\SysWOW64\cgkzmmnw\qmeebqpd.exe
C:\Windows\SysWOW64\cgkzmmnw\qmeebqpd.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-25_40de753ae75251c4ba1910408ad71dfc_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2620
- 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:1640

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\qmeebqpd.exe

Filesize
13.0MB

MD5
afdfdda410a6c24bc4465d1ef300025c

SHA1
11d6094c081706f096106f1b8b37ade68f6d2e11

SHA256
78c6f68a4406fcb541a2a7c9e861ed7380ad227b234b9d35294bef19f888d3b5

SHA512
185654facd8ab7e8dbf741a4d7855c87344897d7678ef7c9506b8ba2bd9a1e3f4435d3d8bbe494cc507852ccf0800b0ad419caf10013941719498c8944f4fa5f

Download Submit
memory/1640-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1640-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1640-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1640-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1640-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2620-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2704-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2704-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2704-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2704-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2704-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2704-1-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads