tofsee | a7487a3d8d60ef88ef6c8ba1b5b49d453564fc1079c2c5cf8536b6582b5b12f9

Analysis

max time kernel
144s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-01-2025 18:43

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General

Target

2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe
Size

11.5MB
MD5

a9c3ea43e06977ad555eb78862b88c6f
SHA1

708c3d914d5451c0de012dc4278fdce821b7ddc9
SHA256

a7487a3d8d60ef88ef6c8ba1b5b49d453564fc1079c2c5cf8536b6582b5b12f9
SHA512

d668c2bd9caf218997c00de69b1e0d264db188d121f5e1cd5d1770498d267335444c12298c3b3c183c9148b85ac1d163dd4be7b0852349707f44f8de1dbd7ba3
SSDEEP

6144:jLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQw:YTYe+D2jFu+iZoUFhAz

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\dwvxnazv = "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
2884	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\dwvxnazv\ImagePath = "C:\\Windows\\SysWOW64\\dwvxnazv\\qpdftqrj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2728	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2860	qpdftqrj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2860 set thread context of 2728	2860	qpdftqrj.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2104	sc.exe
1792	sc.exe
2756	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qpdftqrj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 2452	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	30
PID 1780 wrote to memory of 2452	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	30
PID 1780 wrote to memory of 2452	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	30
PID 1780 wrote to memory of 2452	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	30
PID 1780 wrote to memory of 2528	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	32
PID 1780 wrote to memory of 2528	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	32
PID 1780 wrote to memory of 2528	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	32
PID 1780 wrote to memory of 2528	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	32
PID 1780 wrote to memory of 2104	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	34
PID 1780 wrote to memory of 2104	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	34
PID 1780 wrote to memory of 2104	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	34
PID 1780 wrote to memory of 2104	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	34
PID 1780 wrote to memory of 1792	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	36
PID 1780 wrote to memory of 1792	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	36
PID 1780 wrote to memory of 1792	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	36
PID 1780 wrote to memory of 1792	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	36
PID 1780 wrote to memory of 2756	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	38
PID 1780 wrote to memory of 2756	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	38
PID 1780 wrote to memory of 2756	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	38
PID 1780 wrote to memory of 2756	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	38
PID 1780 wrote to memory of 2884	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	41
PID 1780 wrote to memory of 2884	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	41
PID 1780 wrote to memory of 2884	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	41
PID 1780 wrote to memory of 2884	1780	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	41
PID 2860 wrote to memory of 2728	2860	qpdftqrj.exe	43
PID 2860 wrote to memory of 2728	2860	qpdftqrj.exe	43
PID 2860 wrote to memory of 2728	2860	qpdftqrj.exe	43
PID 2860 wrote to memory of 2728	2860	qpdftqrj.exe	43
PID 2860 wrote to memory of 2728	2860	qpdftqrj.exe	43
PID 2860 wrote to memory of 2728	2860	qpdftqrj.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dwvxnazv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2452
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qpdftqrj.exe" C:\Windows\SysWOW64\dwvxnazv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2528
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dwvxnazv binPath= "C:\Windows\SysWOW64\dwvxnazv\qpdftqrj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2104
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dwvxnazv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1792
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dwvxnazv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2756
- 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:2884

C:\Windows\SysWOW64\dwvxnazv\qpdftqrj.exe
C:\Windows\SysWOW64\dwvxnazv\qpdftqrj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2860
- 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:2728

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\qpdftqrj.exe

Filesize
12.7MB

MD5
4c1da8304c0c792024c3f409530e4333

SHA1
d343731b27cef9ee25796a75891ee3d8ea7af447

SHA256
b3a142fa39700eab5ee536c3c33754581242f87e41223ecabf26f6bd2e688f82

SHA512
02035ffb7b46728dcd990e5fa5f297dcab565afafbc62797c9baf4bd311abb040925faf080f2ab033c184b14c2916cef0740095a430b326fa77d2728f1d73755

Download Submit
memory/1780-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1780-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1780-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1780-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1780-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1780-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/2728-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2728-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2728-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2728-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2860-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads