tofsee | 7af4167a7e387b421f0f87368d51f7924e983b2e245ad75566ec5b20b3417936

Analysis

max time kernel
145s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 08:25

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General

Target

2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe
Size

11.2MB
MD5

1ceb07b6b28d81b0d1a0292f641d3e34
SHA1

eb3b5aacc5f62f82a0cffd4ebd487b4729335f89
SHA256

7af4167a7e387b421f0f87368d51f7924e983b2e245ad75566ec5b20b3417936
SHA512

d3cc0b7b67b1022c729024f9e7bde8b3b2e8d62c870539eb33e85dac24f6daa06b9d7227516d6c9dafb652df4fee03a7212be96957ba6dbe3d959fc8e2443962
SSDEEP

3072:mLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:POMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\cksdogut = "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
2632	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\cksdogut\ImagePath = "C:\\Windows\\SysWOW64\\cksdogut\\wwxideck.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3036	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2772	wwxideck.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2772 set thread context of 3036	2772	wwxideck.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2044	sc.exe
2556	sc.exe
2848	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	wwxideck.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_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	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2716	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	30
PID 2760 wrote to memory of 2716	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	30
PID 2760 wrote to memory of 2716	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	30
PID 2760 wrote to memory of 2716	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	30
PID 2760 wrote to memory of 2924	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	32
PID 2760 wrote to memory of 2924	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	32
PID 2760 wrote to memory of 2924	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	32
PID 2760 wrote to memory of 2924	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	32
PID 2760 wrote to memory of 2848	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	34
PID 2760 wrote to memory of 2848	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	34
PID 2760 wrote to memory of 2848	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	34
PID 2760 wrote to memory of 2848	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	34
PID 2760 wrote to memory of 2044	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	36
PID 2760 wrote to memory of 2044	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	36
PID 2760 wrote to memory of 2044	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	36
PID 2760 wrote to memory of 2044	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	36
PID 2760 wrote to memory of 2556	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	38
PID 2760 wrote to memory of 2556	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	38
PID 2760 wrote to memory of 2556	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	38
PID 2760 wrote to memory of 2556	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	38
PID 2760 wrote to memory of 2632	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	41
PID 2760 wrote to memory of 2632	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	41
PID 2760 wrote to memory of 2632	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	41
PID 2760 wrote to memory of 2632	2760	2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe	41
PID 2772 wrote to memory of 3036	2772	wwxideck.exe	43
PID 2772 wrote to memory of 3036	2772	wwxideck.exe	43
PID 2772 wrote to memory of 3036	2772	wwxideck.exe	43
PID 2772 wrote to memory of 3036	2772	wwxideck.exe	43
PID 2772 wrote to memory of 3036	2772	wwxideck.exe	43
PID 2772 wrote to memory of 3036	2772	wwxideck.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cksdogut\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2716
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wwxideck.exe" C:\Windows\SysWOW64\cksdogut\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2924
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cksdogut binPath= "C:\Windows\SysWOW64\cksdogut\wwxideck.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_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 cksdogut "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2044
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cksdogut
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2556
- 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:2632

C:\Windows\SysWOW64\cksdogut\wwxideck.exe
C:\Windows\SysWOW64\cksdogut\wwxideck.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_1ceb07b6b28d81b0d1a0292f641d3e34_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- 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:3036

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\wwxideck.exe

Filesize
14.7MB

MD5
5e05e0fff461516baa1b405a3f985794

SHA1
4174fdbe3e3d0c4f41d43d632334e31ba66ab4dc

SHA256
279480559927182ec198b2cb93b3d5bbc98acebae1f2429b211de425f39fd974

SHA512
0fabf8316a7828c5c159b09b7e9d2324f54d22040afbd22a9eaeb029490844275b781df0cd6a47f77528e2cd24332873bdced67c18d5d5cb45ba720f28fa3278

Download Submit
memory/2760-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2760-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2760-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/2760-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2760-8-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2760-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2772-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3036-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3036-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3036-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3036-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3036-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads