tofsee | e9a2cc4b78ea58a60129a46c78598d18a9cfadaeb63f5e869035e5b020a9c22a

Analysis

max time kernel
145s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 19:54

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General

Target

2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe
Size

10.3MB
MD5

436f3f4351865fdad50a16c2356d2ac2
SHA1

af73c647d938a24548d56c58dfff155c39be087b
SHA256

e9a2cc4b78ea58a60129a46c78598d18a9cfadaeb63f5e869035e5b020a9c22a
SHA512

b40a6af767d646a18790a8567ed5d480b745298888e0f8f783ed43ada2fdd2d7dbfef7a566611d4724daf50a603024d7ee20a9321839b290133b5488fcfba898
SSDEEP

3072:aLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:DOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\scqslmtf = "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
1736	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\scqslmtf\ImagePath = "C:\\Windows\\SysWOW64\\scqslmtf\\wihvgqys.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2756	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2828	wihvgqys.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2828 set thread context of 2756	2828	wihvgqys.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2412	sc.exe
2040	sc.exe
2740	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	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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	wihvgqys.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2088	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	30
PID 2348 wrote to memory of 2088	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	30
PID 2348 wrote to memory of 2088	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	30
PID 2348 wrote to memory of 2088	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	30
PID 2348 wrote to memory of 2512	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	32
PID 2348 wrote to memory of 2512	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	32
PID 2348 wrote to memory of 2512	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	32
PID 2348 wrote to memory of 2512	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	32
PID 2348 wrote to memory of 2412	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	34
PID 2348 wrote to memory of 2412	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	34
PID 2348 wrote to memory of 2412	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	34
PID 2348 wrote to memory of 2412	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	34
PID 2348 wrote to memory of 2040	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	36
PID 2348 wrote to memory of 2040	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	36
PID 2348 wrote to memory of 2040	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	36
PID 2348 wrote to memory of 2040	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	36
PID 2348 wrote to memory of 2740	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	38
PID 2348 wrote to memory of 2740	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	38
PID 2348 wrote to memory of 2740	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	38
PID 2348 wrote to memory of 2740	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	38
PID 2828 wrote to memory of 2756	2828	wihvgqys.exe	41
PID 2828 wrote to memory of 2756	2828	wihvgqys.exe	41
PID 2828 wrote to memory of 2756	2828	wihvgqys.exe	41
PID 2828 wrote to memory of 2756	2828	wihvgqys.exe	41
PID 2828 wrote to memory of 2756	2828	wihvgqys.exe	41
PID 2828 wrote to memory of 2756	2828	wihvgqys.exe	41
PID 2348 wrote to memory of 1736	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	42
PID 2348 wrote to memory of 1736	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	42
PID 2348 wrote to memory of 1736	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	42
PID 2348 wrote to memory of 1736	2348	2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\scqslmtf\
  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\wihvgqys.exe" C:\Windows\SysWOW64\scqslmtf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2512
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create scqslmtf binPath= "C:\Windows\SysWOW64\scqslmtf\wihvgqys.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2412
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description scqslmtf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2040
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start scqslmtf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2740
- 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:1736

C:\Windows\SysWOW64\scqslmtf\wihvgqys.exe
C:\Windows\SysWOW64\scqslmtf\wihvgqys.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-22_436f3f4351865fdad50a16c2356d2ac2_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2828
- 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:2756

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\wihvgqys.exe

Filesize
11.4MB

MD5
faa58763ea04ea2fcbf396eaeaa7e14c

SHA1
c508ab73cd19d87596cc08f4dd08f89ded2bf63a

SHA256
74d97294e69e969455f1199d9dfd672ded4afcb62c7454deade638b394264acb

SHA512
785c203be2440cd96d0ed13f43ac933103b9f50e7ed71801f18ca0333c4babc8883fe4bead710722ee5c0f7dd8032bea787df888438841d5178f3c0bc4250dc6

Download Submit
memory/2348-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2348-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2348-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2348-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2348-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/2348-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2756-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2756-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-8-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2756-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2756-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2828-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads