tofsee | cd2c46dd35a7788252e69365bac207bf99fcc9873d09cbb31937369117bfebeb

Analysis

max time kernel
149s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29/01/2025, 17:31

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General

Target

2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe
Size

11.9MB
MD5

70752e5e70811da5dd76e3e6b585c032
SHA1

3964d27309e610482edd1b85f1538e3e5d1f8db7
SHA256

cd2c46dd35a7788252e69365bac207bf99fcc9873d09cbb31937369117bfebeb
SHA512

e6d9432ad8bc63a78752bc37a5d1270c59ca2bf75d5d6e30d4f3a2d5ad53acafa4ccf07c8aa5c56dc2a392e704d15df054077f21588af48a25b5d5c23cc08b3b
SSDEEP

24576:yEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZn:Lfot

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\yburojlp = "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
864	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\yburojlp\ImagePath = "C:\\Windows\\SysWOW64\\yburojlp\\hcgyozbz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2792	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2628	hcgyozbz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2628 set thread context of 2792	2628	hcgyozbz.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2960	sc.exe
1468	sc.exe
2768	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hcgyozbz.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2848	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	30
PID 3064 wrote to memory of 2848	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	30
PID 3064 wrote to memory of 2848	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	30
PID 3064 wrote to memory of 2848	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	30
PID 3064 wrote to memory of 2964	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	32
PID 3064 wrote to memory of 2964	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	32
PID 3064 wrote to memory of 2964	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	32
PID 3064 wrote to memory of 2964	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	32
PID 3064 wrote to memory of 2960	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	34
PID 3064 wrote to memory of 2960	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	34
PID 3064 wrote to memory of 2960	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	34
PID 3064 wrote to memory of 2960	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	34
PID 3064 wrote to memory of 1468	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	36
PID 3064 wrote to memory of 1468	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	36
PID 3064 wrote to memory of 1468	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	36
PID 3064 wrote to memory of 1468	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	36
PID 3064 wrote to memory of 2768	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	38
PID 3064 wrote to memory of 2768	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	38
PID 3064 wrote to memory of 2768	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	38
PID 3064 wrote to memory of 2768	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	38
PID 3064 wrote to memory of 864	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	40
PID 3064 wrote to memory of 864	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	40
PID 3064 wrote to memory of 864	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	40
PID 3064 wrote to memory of 864	3064	2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe	40
PID 2628 wrote to memory of 2792	2628	hcgyozbz.exe	43
PID 2628 wrote to memory of 2792	2628	hcgyozbz.exe	43
PID 2628 wrote to memory of 2792	2628	hcgyozbz.exe	43
PID 2628 wrote to memory of 2792	2628	hcgyozbz.exe	43
PID 2628 wrote to memory of 2792	2628	hcgyozbz.exe	43
PID 2628 wrote to memory of 2792	2628	hcgyozbz.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\yburojlp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2848
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hcgyozbz.exe" C:\Windows\SysWOW64\yburojlp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2964
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create yburojlp binPath= "C:\Windows\SysWOW64\yburojlp\hcgyozbz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2960
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description yburojlp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1468
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start yburojlp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2768
- 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:864

C:\Windows\SysWOW64\yburojlp\hcgyozbz.exe
C:\Windows\SysWOW64\yburojlp\hcgyozbz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-29_70752e5e70811da5dd76e3e6b585c032_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628
- 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:2792

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\hcgyozbz.exe

Filesize
13.2MB

MD5
e6a3d6f76a2f7069f5acf18a36c44450

SHA1
6cc0a1c41a5f2335a21229a4158d22e67a0ae2ae

SHA256
a5be760f3121042ff6b7cac79a5a51ea6fca2116123dbe80fea08b0fbadb34a1

SHA512
612251448611830d850423c03b0f6df75c20445a2786822720afff052ef9c9ce6f1da33e2b21472bc2c108299a5656d3acf229932faf9651c2a5a6ef4658e83f

Download Submit
memory/2628-16-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2792-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2792-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2792-13-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2792-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3064-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/3064-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3064-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3064-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3064-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads