tofsee | 48781adb39edf52e01e491973947b0cb8af721e274dfa11cb4546562041298d3

Analysis

max time kernel
143s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-02-2025 02:49

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General

Target

2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe
Size

11.0MB
MD5

8f7694cc4cb08a5a49ed576c51bb1520
SHA1

8a3853cc615961b3ba1363ae4a75659e261e9ebc
SHA256

48781adb39edf52e01e491973947b0cb8af721e274dfa11cb4546562041298d3
SHA512

b1c0b8963e8ba5957e6a65cf65d0ec4575c9534a14bdec5ca6a1a0a7bd80475fb270844fc01d5f40fac117e4015a57ae44a1a0e61a9f920a58cf8356c54a4c85
SSDEEP

3072:sLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/N:JOMdRQr7OB0ypmMXnl8XEPM3noSWOC0

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\tiqlcgor = "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
2716	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\tiqlcgor\ImagePath = "C:\\Windows\\SysWOW64\\tiqlcgor\\yavbuhr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2780	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2304	yavbuhr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2304 set thread context of 2780	2304	yavbuhr.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2064	sc.exe
2348	sc.exe
2864	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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_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	yavbuhr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2204	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	30
PID 2292 wrote to memory of 2204	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	30
PID 2292 wrote to memory of 2204	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	30
PID 2292 wrote to memory of 2204	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	30
PID 2292 wrote to memory of 480	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	32
PID 2292 wrote to memory of 480	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	32
PID 2292 wrote to memory of 480	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	32
PID 2292 wrote to memory of 480	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	32
PID 2292 wrote to memory of 2064	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	34
PID 2292 wrote to memory of 2064	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	34
PID 2292 wrote to memory of 2064	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	34
PID 2292 wrote to memory of 2064	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	34
PID 2292 wrote to memory of 2348	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	37
PID 2292 wrote to memory of 2348	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	37
PID 2292 wrote to memory of 2348	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	37
PID 2292 wrote to memory of 2348	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	37
PID 2292 wrote to memory of 2864	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	39
PID 2292 wrote to memory of 2864	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	39
PID 2292 wrote to memory of 2864	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	39
PID 2292 wrote to memory of 2864	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	39
PID 2292 wrote to memory of 2716	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	42
PID 2292 wrote to memory of 2716	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	42
PID 2292 wrote to memory of 2716	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	42
PID 2292 wrote to memory of 2716	2292	2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe	42
PID 2304 wrote to memory of 2780	2304	yavbuhr.exe	44
PID 2304 wrote to memory of 2780	2304	yavbuhr.exe	44
PID 2304 wrote to memory of 2780	2304	yavbuhr.exe	44
PID 2304 wrote to memory of 2780	2304	yavbuhr.exe	44
PID 2304 wrote to memory of 2780	2304	yavbuhr.exe	44
PID 2304 wrote to memory of 2780	2304	yavbuhr.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tiqlcgor\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2204
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\yavbuhr.exe" C:\Windows\SysWOW64\tiqlcgor\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:480
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tiqlcgor binPath= "C:\Windows\SysWOW64\tiqlcgor\yavbuhr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2064
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tiqlcgor "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2348
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tiqlcgor
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2864
- 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:2716

C:\Windows\SysWOW64\tiqlcgor\yavbuhr.exe
C:\Windows\SysWOW64\tiqlcgor\yavbuhr.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-03_8f7694cc4cb08a5a49ed576c51bb1520_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304
- 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:2780

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\yavbuhr.exe

Filesize
12.8MB

MD5
18d878b4f23d85a67b3955fe165c72ee

SHA1
03e528caa4e3d9e5910b6133dfad586a2eaddb6e

SHA256
928575ed4a854a8ecd74d1dc0d3182abe5edd7895327465dcb14f9b51c16bb91

SHA512
d1637da8d62389dac5cc55d234fee9d55a3a56e085404153b1144ebc5afa0b0d0e2585d79bbd957085cd949471ec54d8255a45bb5798398434bae37400d5565d

Download Submit
memory/2292-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2292-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2292-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2292-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2292-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2292-1-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2304-16-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2780-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2780-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2780-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2780-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads