tofsee | fa934669d49ba9f600ff6b424b2b52f5c6db653a8f5044e003939630ec21edaf

Analysis

max time kernel
146s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30/01/2025, 22:05

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General

Target

2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe
Size

14.9MB
MD5

01ce0b7b263a7b88ed3337ec93dfbcda
SHA1

a2a8a7c25f8b7f07da55ef908564ed915f106e20
SHA256

fa934669d49ba9f600ff6b424b2b52f5c6db653a8f5044e003939630ec21edaf
SHA512

ce6130a1eb3e216ea52a0b5138e4cf616e97de0f498e60ee61880894c358f68dd304bde9fb7d6a9211b0be34c9fc5bfe9005726cda988bd59f9fbcad4d3653e8
SSDEEP

3072:LLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/v:yOMdRQr7OB0ypmMXnl8XEPM3noSWOCu

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\zrwxykto = "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
2932	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\zrwxykto\ImagePath = "C:\\Windows\\SysWOW64\\zrwxykto\\hbbsdmdf.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2428	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2884	hbbsdmdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2884 set thread context of 2428	2884	hbbsdmdf.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2964	sc.exe
2896	sc.exe
3064	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	hbbsdmdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.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	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 2856 wrote to memory of 2168	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	30
PID 2856 wrote to memory of 2168	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	30
PID 2856 wrote to memory of 2168	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	30
PID 2856 wrote to memory of 2168	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	30
PID 2856 wrote to memory of 2872	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	32
PID 2856 wrote to memory of 2872	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	32
PID 2856 wrote to memory of 2872	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	32
PID 2856 wrote to memory of 2872	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	32
PID 2856 wrote to memory of 3064	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	34
PID 2856 wrote to memory of 3064	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	34
PID 2856 wrote to memory of 3064	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	34
PID 2856 wrote to memory of 3064	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	34
PID 2856 wrote to memory of 2964	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	36
PID 2856 wrote to memory of 2964	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	36
PID 2856 wrote to memory of 2964	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	36
PID 2856 wrote to memory of 2964	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	36
PID 2856 wrote to memory of 2896	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	38
PID 2856 wrote to memory of 2896	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	38
PID 2856 wrote to memory of 2896	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	38
PID 2856 wrote to memory of 2896	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	38
PID 2856 wrote to memory of 2932	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	41
PID 2856 wrote to memory of 2932	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	41
PID 2856 wrote to memory of 2932	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	41
PID 2856 wrote to memory of 2932	2856	2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe	41
PID 2884 wrote to memory of 2428	2884	hbbsdmdf.exe	43
PID 2884 wrote to memory of 2428	2884	hbbsdmdf.exe	43
PID 2884 wrote to memory of 2428	2884	hbbsdmdf.exe	43
PID 2884 wrote to memory of 2428	2884	hbbsdmdf.exe	43
PID 2884 wrote to memory of 2428	2884	hbbsdmdf.exe	43
PID 2884 wrote to memory of 2428	2884	hbbsdmdf.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zrwxykto\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2168
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hbbsdmdf.exe" C:\Windows\SysWOW64\zrwxykto\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zrwxykto binPath= "C:\Windows\SysWOW64\zrwxykto\hbbsdmdf.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3064
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zrwxykto "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2964
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zrwxykto
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2896
- 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:2932

C:\Windows\SysWOW64\zrwxykto\hbbsdmdf.exe
C:\Windows\SysWOW64\zrwxykto\hbbsdmdf.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-30_01ce0b7b263a7b88ed3337ec93dfbcda_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2884
- 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:2428

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\hbbsdmdf.exe

Filesize
11.8MB

MD5
bc379090fae86ab38f730227bd52d5de

SHA1
8fdeef5e7a9361c4b89278a016e66f673acc4306

SHA256
2c515ca2f24a452e6aedd7d52baab84d43de1a024d2bad8d945fe201acffec3d

SHA512
2b7afc4a81d3d339c59e6c5592bdba2ceb69b8fc7918b6e29e77aad5a8d7e68977d68bc1f3f9e1efe827efadbf7bfb5068537f27ec61cfb0042a119b8a5f3aa2

Download Submit
memory/2428-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2428-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2428-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2428-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2428-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2856-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2856-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2856-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2856-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2856-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2856-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2884-16-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads