tofsee | 71e923ddd2eff57840a50bb9d91255a1e897fa978a5439626fb17af705511f3e

Analysis

max time kernel
146s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/01/2025, 17:43

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General

Target

2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe
Size

14.7MB
MD5

e184119514c562a812a01283ee68ae64
SHA1

60b1156c189cd634c502e4872a4b9b28104156e9
SHA256

71e923ddd2eff57840a50bb9d91255a1e897fa978a5439626fb17af705511f3e
SHA512

53be9b3773443ce77dd7c771530a656d7a250db21622c5d576b985bedd391ff6344f6794ceed0a6dffbbd030af7e296a22ddcb38ebd1793999e1b135843d815a
SSDEEP

393216:GXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn:

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\idpataqh = "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
2636	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\idpataqh\ImagePath = "C:\\Windows\\SysWOW64\\idpataqh\\cpbyrejt.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2900	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2712	cpbyrejt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2712 set thread context of 2900	2712	cpbyrejt.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2332	sc.exe
2812	sc.exe
2800	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-28_e184119514c562a812a01283ee68ae64_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	cpbyrejt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 340	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	30
PID 1740 wrote to memory of 340	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	30
PID 1740 wrote to memory of 340	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	30
PID 1740 wrote to memory of 340	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	30
PID 1740 wrote to memory of 2524	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	32
PID 1740 wrote to memory of 2524	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	32
PID 1740 wrote to memory of 2524	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	32
PID 1740 wrote to memory of 2524	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	32
PID 1740 wrote to memory of 2332	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	34
PID 1740 wrote to memory of 2332	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	34
PID 1740 wrote to memory of 2332	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	34
PID 1740 wrote to memory of 2332	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	34
PID 1740 wrote to memory of 2812	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	36
PID 1740 wrote to memory of 2812	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	36
PID 1740 wrote to memory of 2812	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	36
PID 1740 wrote to memory of 2812	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	36
PID 1740 wrote to memory of 2800	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	38
PID 1740 wrote to memory of 2800	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	38
PID 1740 wrote to memory of 2800	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	38
PID 1740 wrote to memory of 2800	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	38
PID 2712 wrote to memory of 2900	2712	cpbyrejt.exe	41
PID 2712 wrote to memory of 2900	2712	cpbyrejt.exe	41
PID 2712 wrote to memory of 2900	2712	cpbyrejt.exe	41
PID 2712 wrote to memory of 2900	2712	cpbyrejt.exe	41
PID 2712 wrote to memory of 2900	2712	cpbyrejt.exe	41
PID 2712 wrote to memory of 2900	2712	cpbyrejt.exe	41
PID 1740 wrote to memory of 2636	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	42
PID 1740 wrote to memory of 2636	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	42
PID 1740 wrote to memory of 2636	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	42
PID 1740 wrote to memory of 2636	1740	2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\idpataqh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:340
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cpbyrejt.exe" C:\Windows\SysWOW64\idpataqh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2524
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create idpataqh binPath= "C:\Windows\SysWOW64\idpataqh\cpbyrejt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2332
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description idpataqh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start idpataqh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2800
- 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:2636

C:\Windows\SysWOW64\idpataqh\cpbyrejt.exe
C:\Windows\SysWOW64\idpataqh\cpbyrejt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_e184119514c562a812a01283ee68ae64_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712
- 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:2900

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\cpbyrejt.exe

Filesize
13.7MB

MD5
b0056859edc018be4e5a8e94b69358a2

SHA1
95d8e06a8eadfc987d856e800116e462acee90fa

SHA256
1724bd33ad846f53ffebaf9985249cfb3d940fd734cf761145dc70cbfab489c7

SHA512
1dc0a533e966dfdfda93bee5dee80e5fccb24c397f9ded52f6d3582ec6623062a182370af4f78ffe3a7986158566d17d57c43178c0d6bda8681f99e91b299379

Download Submit
memory/1740-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1740-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1740-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1740-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1740-1-0x0000000000520000-0x0000000000620000-memory.dmp

Filesize
1024KB

Download
memory/1740-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2712-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2900-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2900-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2900-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2900-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2900-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads