tofsee | 1425db43a8b0112cf05aee3ee89fa87faf60e2219e5e192b64cca4a0e66f347a

Analysis

max time kernel
145s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-01-2025 19:16

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General

Target

2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe
Size

14.8MB
MD5

db9790710e078b436cbf178a61ee4147
SHA1

c512730d9f9565a00a0c7b4be0fb20b03e3472cb
SHA256

1425db43a8b0112cf05aee3ee89fa87faf60e2219e5e192b64cca4a0e66f347a
SHA512

bfa2be34ee5b07149361c390afa2e00f1aaed038824307cbf27eca3eaa48bc2f7516b948cc571a5d904c84dbf0eabcfd79a3ebdebe5032965b9b5a2aba359a01
SSDEEP

24576:kpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttl:woo

Score

10^/10

tofsee discovery evasion 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

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\fbfftcbd = "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

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\fbfftcbd\ImagePath = "C:\\Windows\\SysWOW64\\fbfftcbd\\kmhngtd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2432	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2752	kmhngtd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2752 set thread context of 2432	2752	kmhngtd.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
1272	sc.exe
2824	sc.exe
2500	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kmhngtd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-17_db9790710e078b436cbf178a61ee4147_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 2116 wrote to memory of 2436	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	30
PID 2116 wrote to memory of 2436	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	30
PID 2116 wrote to memory of 2436	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	30
PID 2116 wrote to memory of 2436	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	30
PID 2116 wrote to memory of 2088	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	32
PID 2116 wrote to memory of 2088	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	32
PID 2116 wrote to memory of 2088	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	32
PID 2116 wrote to memory of 2088	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	32
PID 2116 wrote to memory of 2500	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	34
PID 2116 wrote to memory of 2500	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	34
PID 2116 wrote to memory of 2500	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	34
PID 2116 wrote to memory of 2500	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	34
PID 2116 wrote to memory of 1272	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	36
PID 2116 wrote to memory of 1272	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	36
PID 2116 wrote to memory of 1272	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	36
PID 2116 wrote to memory of 1272	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	36
PID 2116 wrote to memory of 2824	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	39
PID 2116 wrote to memory of 2824	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	39
PID 2116 wrote to memory of 2824	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	39
PID 2116 wrote to memory of 2824	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	39
PID 2752 wrote to memory of 2432	2752	kmhngtd.exe	42
PID 2752 wrote to memory of 2432	2752	kmhngtd.exe	42
PID 2752 wrote to memory of 2432	2752	kmhngtd.exe	42
PID 2752 wrote to memory of 2432	2752	kmhngtd.exe	42
PID 2752 wrote to memory of 2432	2752	kmhngtd.exe	42
PID 2752 wrote to memory of 2432	2752	kmhngtd.exe	42
PID 2116 wrote to memory of 2832	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	43
PID 2116 wrote to memory of 2832	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	43
PID 2116 wrote to memory of 2832	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	43
PID 2116 wrote to memory of 2832	2116	2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fbfftcbd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2436
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kmhngtd.exe" C:\Windows\SysWOW64\fbfftcbd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2088
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fbfftcbd binPath= "C:\Windows\SysWOW64\fbfftcbd\kmhngtd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2500
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fbfftcbd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1272
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fbfftcbd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2824
- 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\fbfftcbd\kmhngtd.exe
C:\Windows\SysWOW64\fbfftcbd\kmhngtd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-17_db9790710e078b436cbf178a61ee4147_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752
- 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:2432

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\kmhngtd.exe

Filesize
12.8MB

MD5
48aef0f0988a64f18348e4b39346e2ac

SHA1
0c97b84c07208aae8742fba4d6699185c19e247a

SHA256
b473616b0f304d267ffb1744d642af6c12fe6de23156c7762c943d460dafd371

SHA512
1554636eda69ba604915169212adb3d56bf634e5274e95a98d7df3b3426020a6437e9fd3ba36eefaf5bf93d682558ab03ea2fa1c01feb37ebf85a002c7760e67

Download Submit
memory/2116-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2116-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2116-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2116-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2116-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/2116-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2432-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2432-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2432-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2432-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2432-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2752-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads