tofsee | d704962d9c756222b04dbb5c65cdd3e3781ff524c0a22b31a0c9274996d570fe

Analysis

max time kernel
145s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 19:45

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General

Target

2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe
Size

14.4MB
MD5

cfc8a9ff1e1fc9bc4c7cefe56d90bd60
SHA1

71902bf86c8077af438d52a4ce58594e9ede9016
SHA256

d704962d9c756222b04dbb5c65cdd3e3781ff524c0a22b31a0c9274996d570fe
SHA512

7b2e54101394f4ea61c86eb49fa41c996d55558e655eeefc5ac27f54e389622f20d0d451d65c7261c103e1953e4cb0aeae28dc2fc5f8aaaee692efd968cd93a0
SSDEEP

3072:1LBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:YOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\lsxpfama = "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
2676	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\lsxpfama\ImagePath = "C:\\Windows\\SysWOW64\\lsxpfama\\bxppmbao.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2000	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2740	bxppmbao.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2740 set thread context of 2000	2740	bxppmbao.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
3036	sc.exe
2928	sc.exe
2860	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	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bxppmbao.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2748	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	30
PID 3020 wrote to memory of 2748	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	30
PID 3020 wrote to memory of 2748	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	30
PID 3020 wrote to memory of 2748	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	30
PID 3020 wrote to memory of 2832	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	32
PID 3020 wrote to memory of 2832	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	32
PID 3020 wrote to memory of 2832	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	32
PID 3020 wrote to memory of 2832	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	32
PID 3020 wrote to memory of 3036	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	34
PID 3020 wrote to memory of 3036	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	34
PID 3020 wrote to memory of 3036	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	34
PID 3020 wrote to memory of 3036	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	34
PID 3020 wrote to memory of 2928	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	36
PID 3020 wrote to memory of 2928	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	36
PID 3020 wrote to memory of 2928	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	36
PID 3020 wrote to memory of 2928	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	36
PID 3020 wrote to memory of 2860	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	38
PID 3020 wrote to memory of 2860	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	38
PID 3020 wrote to memory of 2860	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	38
PID 3020 wrote to memory of 2860	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	38
PID 2740 wrote to memory of 2000	2740	bxppmbao.exe	41
PID 2740 wrote to memory of 2000	2740	bxppmbao.exe	41
PID 2740 wrote to memory of 2000	2740	bxppmbao.exe	41
PID 2740 wrote to memory of 2000	2740	bxppmbao.exe	41
PID 2740 wrote to memory of 2000	2740	bxppmbao.exe	41
PID 2740 wrote to memory of 2000	2740	bxppmbao.exe	41
PID 3020 wrote to memory of 2676	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	42
PID 3020 wrote to memory of 2676	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	42
PID 3020 wrote to memory of 2676	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	42
PID 3020 wrote to memory of 2676	3020	2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lsxpfama\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bxppmbao.exe" C:\Windows\SysWOW64\lsxpfama\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lsxpfama binPath= "C:\Windows\SysWOW64\lsxpfama\bxppmbao.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3036
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lsxpfama "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2928
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lsxpfama
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2860
- 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:2676

C:\Windows\SysWOW64\lsxpfama\bxppmbao.exe
C:\Windows\SysWOW64\lsxpfama\bxppmbao.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-03_cfc8a9ff1e1fc9bc4c7cefe56d90bd60_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740
- 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:2000

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\bxppmbao.exe

Filesize
13.5MB

MD5
f3dd008e574a42220d54a16979fb9b22

SHA1
4a42c2e090b4672e14a395c6bbfa44cae352a3a2

SHA256
209899041ff59b9c7cf058ad02d1a5d72b3eb7ab69ff62d7323567975236c403

SHA512
3d9e191818191be02fa4f18dd3361dd4a5ae72796f41de7f1150c18a76b6595c49de86a795a11d2ba1f1952acc2a59a775b79e42fd06815447c808e943fb69f1

Download Submit
memory/2000-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2000-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2000-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2000-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2000-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2740-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3020-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3020-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3020-1-0x0000000000520000-0x0000000000620000-memory.dmp

Filesize
1024KB

Download
memory/3020-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3020-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3020-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads