tofsee | 957e0855b07e0ac2fc16bd76892fc88a76d5c50467e026cc34dead160d1122f9

Analysis

max time kernel
148s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
19/01/2025, 20:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe
Size

14.6MB
MD5

340e20f5c4dd6964dc893b41c4794ec3
SHA1

73a8010c6fd2760c73766cbe7b6415f13d385191
SHA256

957e0855b07e0ac2fc16bd76892fc88a76d5c50467e026cc34dead160d1122f9
SHA512

3592f6a573de55a650817cee122a2dcc83b7594d4131b6168141eb8b0db8ef064fab407a5ac08b494f44c2afdd5878bb49ad3066e8390271d21ecb70c7063316
SSDEEP

24576:uEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZv:Hfot

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\wjravnts = "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
3044	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\wjravnts\ImagePath = "C:\\Windows\\SysWOW64\\wjravnts\\qhpnxszn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2976	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2844	qhpnxszn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2844 set thread context of 2976	2844	qhpnxszn.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
1668	sc.exe
3060	sc.exe
2296	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_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	svchost.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	qhpnxszn.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2580	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	30
PID 2064 wrote to memory of 2580	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	30
PID 2064 wrote to memory of 2580	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	30
PID 2064 wrote to memory of 2580	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	30
PID 2064 wrote to memory of 1640	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	32
PID 2064 wrote to memory of 1640	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	32
PID 2064 wrote to memory of 1640	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	32
PID 2064 wrote to memory of 1640	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	32
PID 2064 wrote to memory of 1668	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	34
PID 2064 wrote to memory of 1668	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	34
PID 2064 wrote to memory of 1668	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	34
PID 2064 wrote to memory of 1668	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	34
PID 2064 wrote to memory of 3060	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	36
PID 2064 wrote to memory of 3060	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	36
PID 2064 wrote to memory of 3060	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	36
PID 2064 wrote to memory of 3060	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	36
PID 2064 wrote to memory of 2296	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	38
PID 2064 wrote to memory of 2296	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	38
PID 2064 wrote to memory of 2296	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	38
PID 2064 wrote to memory of 2296	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	38
PID 2844 wrote to memory of 2976	2844	qhpnxszn.exe	41
PID 2844 wrote to memory of 2976	2844	qhpnxszn.exe	41
PID 2844 wrote to memory of 2976	2844	qhpnxszn.exe	41
PID 2844 wrote to memory of 2976	2844	qhpnxszn.exe	41
PID 2844 wrote to memory of 2976	2844	qhpnxszn.exe	41
PID 2844 wrote to memory of 2976	2844	qhpnxszn.exe	41
PID 2064 wrote to memory of 3044	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	42
PID 2064 wrote to memory of 3044	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	42
PID 2064 wrote to memory of 3044	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	42
PID 2064 wrote to memory of 3044	2064	2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wjravnts\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2580
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qhpnxszn.exe" C:\Windows\SysWOW64\wjravnts\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1640
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wjravnts binPath= "C:\Windows\SysWOW64\wjravnts\qhpnxszn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1668
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wjravnts "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3060
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wjravnts
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2296
- 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:3044

C:\Windows\SysWOW64\wjravnts\qhpnxszn.exe
C:\Windows\SysWOW64\wjravnts\qhpnxszn.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-19_340e20f5c4dd6964dc893b41c4794ec3_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2844
- 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:2976

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\qhpnxszn.exe

Filesize
10.2MB

MD5
8596033c2cf2c9c4d08777eef751efc3

SHA1
35278b7472d0fd649028b5639600dc3b75011c0a

SHA256
6987cab78315f0187d8fce75e62de2eaca4f4e5eab27996abb89b18cafde2ed9

SHA512
3baa76f876b0d9a9ad897197dad19cc8020fede114974911de359ac9b08e40f0f30f65eff094e0f2515753fa2a4b92019107aaf8a227d2d3f57e2b60fff0331b

Download Submit
memory/2064-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2064-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2064-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2064-16-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2064-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/2064-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2844-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2976-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2976-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2976-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2976-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2976-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads