tofsee | 49a033d771191012c9443e4f3114df4481dc58a99c1bc0de52a6c6d4254ec485

Analysis

max time kernel
144s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 21:43

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General

Target

2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe
Size

14.0MB
MD5

f5ef0966ceb9709a7d695f7979474cf9
SHA1

74b0587f3eaa55eb9cfa5739ed4dabf9037e1677
SHA256

49a033d771191012c9443e4f3114df4481dc58a99c1bc0de52a6c6d4254ec485
SHA512

afabe7617a87900501488b861247525d0dc80022215dd1311ac18a430f95d4a5dd6f7fbfddc1615230e4948324e0d1d9c7d678de5ed61cfb09a085af52fbd9c1
SSDEEP

3072:oLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:lOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\kittgcnh = "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
2672	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\kittgcnh\ImagePath = "C:\\Windows\\SysWOW64\\kittgcnh\\trabkgvr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2660	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	trabkgvr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 2660	2744	trabkgvr.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2828	sc.exe
2612	sc.exe
2640	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	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	trabkgvr.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	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 2312 wrote to memory of 2316	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	30
PID 2312 wrote to memory of 2316	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	30
PID 2312 wrote to memory of 2316	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	30
PID 2312 wrote to memory of 2316	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	30
PID 2312 wrote to memory of 2876	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	32
PID 2312 wrote to memory of 2876	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	32
PID 2312 wrote to memory of 2876	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	32
PID 2312 wrote to memory of 2876	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	32
PID 2312 wrote to memory of 2612	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	34
PID 2312 wrote to memory of 2612	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	34
PID 2312 wrote to memory of 2612	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	34
PID 2312 wrote to memory of 2612	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	34
PID 2312 wrote to memory of 2640	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	36
PID 2312 wrote to memory of 2640	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	36
PID 2312 wrote to memory of 2640	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	36
PID 2312 wrote to memory of 2640	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	36
PID 2312 wrote to memory of 2828	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	38
PID 2312 wrote to memory of 2828	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	38
PID 2312 wrote to memory of 2828	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	38
PID 2312 wrote to memory of 2828	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	38
PID 2744 wrote to memory of 2660	2744	trabkgvr.exe	41
PID 2744 wrote to memory of 2660	2744	trabkgvr.exe	41
PID 2744 wrote to memory of 2660	2744	trabkgvr.exe	41
PID 2744 wrote to memory of 2660	2744	trabkgvr.exe	41
PID 2744 wrote to memory of 2660	2744	trabkgvr.exe	41
PID 2744 wrote to memory of 2660	2744	trabkgvr.exe	41
PID 2312 wrote to memory of 2672	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	42
PID 2312 wrote to memory of 2672	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	42
PID 2312 wrote to memory of 2672	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	42
PID 2312 wrote to memory of 2672	2312	2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kittgcnh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\trabkgvr.exe" C:\Windows\SysWOW64\kittgcnh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2876
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kittgcnh binPath= "C:\Windows\SysWOW64\kittgcnh\trabkgvr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2612
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kittgcnh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2640
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kittgcnh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2828
- 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:2672

C:\Windows\SysWOW64\kittgcnh\trabkgvr.exe
C:\Windows\SysWOW64\kittgcnh\trabkgvr.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-25_f5ef0966ceb9709a7d695f7979474cf9_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- 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:2660

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\trabkgvr.exe

Filesize
13.2MB

MD5
c4b2ce006d4b9c2cfa3ce43e5cc27534

SHA1
fe062adad83ac5aff75dd97718b422342b74f44f

SHA256
256634a8849b3adff8f1205cae130833703ffe0272f4c37962b45b413394cf52

SHA512
b90516ae83a521b48ed6e5bce0cf57f39b73045d2185767cc78d2c39a27f88564e0ad759e5b5850a1c1685d4b4fca3d27147aa9a6a437fcc6d687d7f196d9386

Download Submit
memory/2312-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2312-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2312-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2312-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2312-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/2312-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2660-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2660-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2660-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2660-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2660-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2744-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads