tofsee | 9ac7a070c91cb6affd6dd5b52187bb7ea3def59d944eb3efb5702b310295d087

Analysis

max time kernel
146s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/01/2025, 18:48

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General

Target

2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe
Size

10.3MB
MD5

7b97b647fb60aa732c8453f615c57481
SHA1

c3c9a7bd49d984c14d3bdb095ee6366d66c1747f
SHA256

9ac7a070c91cb6affd6dd5b52187bb7ea3def59d944eb3efb5702b310295d087
SHA512

8c85c8109d2ea5e212e448b434ff4ced7033377f264b982d192689ef437efc89999ba6f547be4e15e9d8164389cc2c4c33efc3dc0a62823aaade2ec3b9b07ac8
SSDEEP

49152:yqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPa:yqtYc3N

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\vxvubpjt = "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
2832	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\vxvubpjt\ImagePath = "C:\\Windows\\SysWOW64\\vxvubpjt\\idhzpaca.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2732	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2772	idhzpaca.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2772 set thread context of 2732	2772	idhzpaca.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2228	sc.exe
2132	sc.exe
2724	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.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	idhzpaca.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 3040	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	30
PID 2428 wrote to memory of 3040	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	30
PID 2428 wrote to memory of 3040	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	30
PID 2428 wrote to memory of 3040	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	30
PID 2428 wrote to memory of 2036	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	32
PID 2428 wrote to memory of 2036	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	32
PID 2428 wrote to memory of 2036	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	32
PID 2428 wrote to memory of 2036	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	32
PID 2428 wrote to memory of 2228	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	34
PID 2428 wrote to memory of 2228	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	34
PID 2428 wrote to memory of 2228	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	34
PID 2428 wrote to memory of 2228	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	34
PID 2428 wrote to memory of 2132	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	36
PID 2428 wrote to memory of 2132	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	36
PID 2428 wrote to memory of 2132	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	36
PID 2428 wrote to memory of 2132	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	36
PID 2428 wrote to memory of 2724	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	38
PID 2428 wrote to memory of 2724	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	38
PID 2428 wrote to memory of 2724	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	38
PID 2428 wrote to memory of 2724	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	38
PID 2428 wrote to memory of 2832	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	41
PID 2428 wrote to memory of 2832	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	41
PID 2428 wrote to memory of 2832	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	41
PID 2428 wrote to memory of 2832	2428	2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe	41
PID 2772 wrote to memory of 2732	2772	idhzpaca.exe	43
PID 2772 wrote to memory of 2732	2772	idhzpaca.exe	43
PID 2772 wrote to memory of 2732	2772	idhzpaca.exe	43
PID 2772 wrote to memory of 2732	2772	idhzpaca.exe	43
PID 2772 wrote to memory of 2732	2772	idhzpaca.exe	43
PID 2772 wrote to memory of 2732	2772	idhzpaca.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vxvubpjt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3040
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\idhzpaca.exe" C:\Windows\SysWOW64\vxvubpjt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2036
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vxvubpjt binPath= "C:\Windows\SysWOW64\vxvubpjt\idhzpaca.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_7b97b647fb60aa732c8453f615c57481_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2228
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vxvubpjt "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2132
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vxvubpjt
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2724
- 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:2832

C:\Windows\SysWOW64\vxvubpjt\idhzpaca.exe
C:\Windows\SysWOW64\vxvubpjt\idhzpaca.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_7b97b647fb60aa732c8453f615c57481_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:2732

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\idhzpaca.exe

Filesize
13.2MB

MD5
42576b16f53d00b33acc43a6ee7c1185

SHA1
a2b133ad50ccfc4d5cc1869a2dd28cb7b6ac812a

SHA256
8b388cef1f5d7328a983be59267458af674d5866dcedc063df48efaa4cbc0de3

SHA512
b8ac774c73bb3c7bdf51a0eecda91dfabb5f4a9a31e7a2aab0a4040f6ee827bdeaa670fdb94a732bef56f8caf8bf33b48d8529c7254fc03dd115b5c012e08327

Download Submit
memory/2428-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2428-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2428-1-0x0000000002F00000-0x0000000003000000-memory.dmp

Filesize
1024KB

Download
memory/2428-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2428-9-0x0000000002F00000-0x0000000003000000-memory.dmp

Filesize
1024KB

Download
memory/2428-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2428-7-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2732-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2732-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2732-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2732-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2772-16-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads