tofsee | ac4e7757c7dea93f72b25afa4468368064d32a87d6c94c721f8d6d5b4930dea0

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-01-2025 20:23

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General

Target

2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe
Size

10.3MB
MD5

06286414450c45f3aa566001a4d0a38b
SHA1

80cc31e61c1fac6c66e8514365f99d5e980c0672
SHA256

ac4e7757c7dea93f72b25afa4468368064d32a87d6c94c721f8d6d5b4930dea0
SHA512

c8d947e6917f17272207c580638440394ff6fc3c495aa565f6feb0c3695b4d7c58618f736415b2165e4c8a5251228cba254507e8ed30c86d6cf69d995ce41959
SSDEEP

24576:UEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZd:xfotH

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\eqosgmhy = "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
2728	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\eqosgmhy\ImagePath = "C:\\Windows\\SysWOW64\\eqosgmhy\\jvuitdlf.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2808	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2960	jvuitdlf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2960 set thread context of 2808	2960	jvuitdlf.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2904	sc.exe
2260	sc.exe
2828	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jvuitdlf.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 784	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	30
PID 2384 wrote to memory of 784	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	30
PID 2384 wrote to memory of 784	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	30
PID 2384 wrote to memory of 784	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	30
PID 2384 wrote to memory of 2496	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	32
PID 2384 wrote to memory of 2496	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	32
PID 2384 wrote to memory of 2496	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	32
PID 2384 wrote to memory of 2496	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	32
PID 2384 wrote to memory of 2904	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	34
PID 2384 wrote to memory of 2904	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	34
PID 2384 wrote to memory of 2904	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	34
PID 2384 wrote to memory of 2904	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	34
PID 2384 wrote to memory of 2260	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	36
PID 2384 wrote to memory of 2260	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	36
PID 2384 wrote to memory of 2260	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	36
PID 2384 wrote to memory of 2260	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	36
PID 2384 wrote to memory of 2828	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	38
PID 2384 wrote to memory of 2828	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	38
PID 2384 wrote to memory of 2828	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	38
PID 2384 wrote to memory of 2828	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	38
PID 2384 wrote to memory of 2728	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	41
PID 2384 wrote to memory of 2728	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	41
PID 2384 wrote to memory of 2728	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	41
PID 2384 wrote to memory of 2728	2384	2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe	41
PID 2960 wrote to memory of 2808	2960	jvuitdlf.exe	43
PID 2960 wrote to memory of 2808	2960	jvuitdlf.exe	43
PID 2960 wrote to memory of 2808	2960	jvuitdlf.exe	43
PID 2960 wrote to memory of 2808	2960	jvuitdlf.exe	43
PID 2960 wrote to memory of 2808	2960	jvuitdlf.exe	43
PID 2960 wrote to memory of 2808	2960	jvuitdlf.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\eqosgmhy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:784
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jvuitdlf.exe" C:\Windows\SysWOW64\eqosgmhy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2496
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create eqosgmhy binPath= "C:\Windows\SysWOW64\eqosgmhy\jvuitdlf.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2904
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description eqosgmhy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2260
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start eqosgmhy
  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:2728

C:\Windows\SysWOW64\eqosgmhy\jvuitdlf.exe
C:\Windows\SysWOW64\eqosgmhy\jvuitdlf.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-30_06286414450c45f3aa566001a4d0a38b_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2960
- 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:2808

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\jvuitdlf.exe

Filesize
12.0MB

MD5
038eda65aaaee2e5607f9551e23cf65b

SHA1
3ca70942d4cf2cac2a0544850ef3262ee7f40959

SHA256
e3776462ee30ed47a11ffef29a4bf76c22c3ceeda32a8a474985882d14e3ec1a

SHA512
18047aa841a814328f13acd2925c2d4f9432ff106a7398e01cddf8673101778862d3fdcf44b2967c033266a7687ea50edcffe528605e7f7f5fcfceb04415c931

Download Submit
memory/2384-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2384-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2384-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2384-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2384-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2384-1-0x0000000000520000-0x0000000000620000-memory.dmp

Filesize
1024KB

Download
memory/2808-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2808-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2808-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2808-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2808-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2960-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads