tofsee | 34a44b3c1fe0d03bab32a58e994ce71b84e312911cf22704b94bd6e9dcea01ad

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 20:21

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General

Target

2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe
Size

10.4MB
MD5

84d420f021fcac98773615ee5ef02e16
SHA1

6026658871dfc560b5c8f4e63df9bd143a9e3148
SHA256

34a44b3c1fe0d03bab32a58e994ce71b84e312911cf22704b94bd6e9dcea01ad
SHA512

ba03146887876314d068ec2592a396f019e14ebaa173624b539e6daa38d462e5534f96dcacdd9920600733f0cf0ee3eff6149be38061af0d7b30c29f34d5728e
SSDEEP

196608:AyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX3:VXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXH

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\hzttthhf = "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
2904	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\hzttthhf\ImagePath = "C:\\Windows\\SysWOW64\\hzttthhf\\aixbomvv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3060	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2868	aixbomvv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2868 set thread context of 3060	2868	aixbomvv.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2008	sc.exe
2252	sc.exe
2948	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	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.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	aixbomvv.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1040	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	30
PID 1720 wrote to memory of 1040	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	30
PID 1720 wrote to memory of 1040	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	30
PID 1720 wrote to memory of 1040	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	30
PID 1720 wrote to memory of 624	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	32
PID 1720 wrote to memory of 624	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	32
PID 1720 wrote to memory of 624	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	32
PID 1720 wrote to memory of 624	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	32
PID 1720 wrote to memory of 2008	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	34
PID 1720 wrote to memory of 2008	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	34
PID 1720 wrote to memory of 2008	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	34
PID 1720 wrote to memory of 2008	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	34
PID 1720 wrote to memory of 2252	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	36
PID 1720 wrote to memory of 2252	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	36
PID 1720 wrote to memory of 2252	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	36
PID 1720 wrote to memory of 2252	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	36
PID 1720 wrote to memory of 2948	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	38
PID 1720 wrote to memory of 2948	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	38
PID 1720 wrote to memory of 2948	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	38
PID 1720 wrote to memory of 2948	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	38
PID 2868 wrote to memory of 3060	2868	aixbomvv.exe	41
PID 2868 wrote to memory of 3060	2868	aixbomvv.exe	41
PID 2868 wrote to memory of 3060	2868	aixbomvv.exe	41
PID 2868 wrote to memory of 3060	2868	aixbomvv.exe	41
PID 2868 wrote to memory of 3060	2868	aixbomvv.exe	41
PID 2868 wrote to memory of 3060	2868	aixbomvv.exe	41
PID 1720 wrote to memory of 2904	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	42
PID 1720 wrote to memory of 2904	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	42
PID 1720 wrote to memory of 2904	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	42
PID 1720 wrote to memory of 2904	1720	2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hzttthhf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1040
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\aixbomvv.exe" C:\Windows\SysWOW64\hzttthhf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:624
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hzttthhf binPath= "C:\Windows\SysWOW64\hzttthhf\aixbomvv.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2008
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hzttthhf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2252
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hzttthhf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- 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:2904

C:\Windows\SysWOW64\hzttthhf\aixbomvv.exe
C:\Windows\SysWOW64\hzttthhf\aixbomvv.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_84d420f021fcac98773615ee5ef02e16_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2868
- 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:3060

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\aixbomvv.exe

Filesize
13.9MB

MD5
7134de2697758e34552382d8c2ee7ddc

SHA1
55e05db1edc841792b669ba92d30c85795b86a06

SHA256
d9779862875bf32480081606714538a173ec0747bde525ca13ea2665d60c07d2

SHA512
e1732369c6a347db1b7acf62d1d98217d8d86998ba34b4c402cf19596af3bbc3c69ff4a1c467da8055c4c765168d3494cf29957bc62694d04858f0c6158529ad

Download Submit
memory/1720-16-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/1720-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1720-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1720-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1720-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/1720-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1720-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2868-13-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3060-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3060-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3060-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3060-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3060-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads