tofsee | 85e53d805fdc69c8dedafa896ceb421bd636a3d94652671768af4fbca7e89ca0

Analysis

max time kernel
144s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 10:48

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General

Target

2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe
Size

13.9MB
MD5

5d4530f4539414ec9edc8c7af562a62a
SHA1

bf6c1885985e624fa874eb3b7f6ba0ee7a8d786d
SHA256

85e53d805fdc69c8dedafa896ceb421bd636a3d94652671768af4fbca7e89ca0
SHA512

716ef912db4aff47256ae0922ce8e9377feac7336187d511c4c0d1de99a591a97b5e185ab1ac5670cc0be7fe56d083e2c9f3408562fc5d75e2b43f8a1bed3501
SSDEEP

393216:+XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX3:

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\kkgjuqzg = "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
2484	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\kkgjuqzg\ImagePath = "C:\\Windows\\SysWOW64\\kkgjuqzg\\keevgpgi.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2608	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2452	keevgpgi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2452 set thread context of 2608	2452	keevgpgi.exe	40

Launches sc.exe 3 IoCs

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

pid	Process
2564	sc.exe
2636	sc.exe
2616	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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	keevgpgi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 1308	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	29
PID 2812 wrote to memory of 1308	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	29
PID 2812 wrote to memory of 1308	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	29
PID 2812 wrote to memory of 1308	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	29
PID 2812 wrote to memory of 2664	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	31
PID 2812 wrote to memory of 2664	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	31
PID 2812 wrote to memory of 2664	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	31
PID 2812 wrote to memory of 2664	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	31
PID 2812 wrote to memory of 2564	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	33
PID 2812 wrote to memory of 2564	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	33
PID 2812 wrote to memory of 2564	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	33
PID 2812 wrote to memory of 2564	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	33
PID 2812 wrote to memory of 2636	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	35
PID 2812 wrote to memory of 2636	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	35
PID 2812 wrote to memory of 2636	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	35
PID 2812 wrote to memory of 2636	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	35
PID 2812 wrote to memory of 2616	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	37
PID 2812 wrote to memory of 2616	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	37
PID 2812 wrote to memory of 2616	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	37
PID 2812 wrote to memory of 2616	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	37
PID 2452 wrote to memory of 2608	2452	keevgpgi.exe	40
PID 2452 wrote to memory of 2608	2452	keevgpgi.exe	40
PID 2452 wrote to memory of 2608	2452	keevgpgi.exe	40
PID 2452 wrote to memory of 2608	2452	keevgpgi.exe	40
PID 2452 wrote to memory of 2608	2452	keevgpgi.exe	40
PID 2452 wrote to memory of 2608	2452	keevgpgi.exe	40
PID 2812 wrote to memory of 2484	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	41
PID 2812 wrote to memory of 2484	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	41
PID 2812 wrote to memory of 2484	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	41
PID 2812 wrote to memory of 2484	2812	2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe	41

C:\Users\Admin\AppData\Local\Temp\2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kkgjuqzg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1308
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\keevgpgi.exe" C:\Windows\SysWOW64\kkgjuqzg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kkgjuqzg binPath= "C:\Windows\SysWOW64\kkgjuqzg\keevgpgi.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2564
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kkgjuqzg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2636
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kkgjuqzg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2616
- 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:2484

C:\Windows\SysWOW64\kkgjuqzg\keevgpgi.exe
C:\Windows\SysWOW64\kkgjuqzg\keevgpgi.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-11_5d4530f4539414ec9edc8c7af562a62a_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2452
- 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:2608

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\keevgpgi.exe

Filesize
12.5MB

MD5
6ba70e3df4f8135021e47aa7beaf2951

SHA1
d1491192cabb9bd0d5346878ef54c9b95729125f

SHA256
b050dc30736930b5ca057e946778baa612ca8d97470dc4a1358204a6df987301

SHA512
c57ab497666b651459c4df07a3d1cec7962c03afbb21a659a934a4e8bccd2ae7b8928589c30ade8c242fabe680931fc9a9de24235f5c75395516695f961afdb9

Download Submit
memory/2452-13-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2608-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2608-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2608-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2608-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2608-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2812-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2812-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2812-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/2812-15-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2812-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2812-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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