tofsee | 387da9f1c0db0a113e160f090cc338a0a0287185142260611399b23f0b7b3fa6

Analysis

max time kernel
145s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 19:41

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General

Target

2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe
Size

13.8MB
MD5

60c5a5e092b4cf3d120e3592142e6288
SHA1

e72d477b6c9e5ae53501b6ff712938245d0d444b
SHA256

387da9f1c0db0a113e160f090cc338a0a0287185142260611399b23f0b7b3fa6
SHA512

a1f6092002d96ded9a11bf767dcd780945f9214e0519d323f9c703a6764fa8d51a6d78cffe066709423800c547301a856112f89723739cb4033d66adc77d2608
SSDEEP

393216:2XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX3:

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\compfscz = "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
2572	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\compfscz\ImagePath = "C:\\Windows\\SysWOW64\\compfscz\\qhpnxszn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2784	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2684	qhpnxszn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2684 set thread context of 2784	2684	qhpnxszn.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2140	sc.exe
2740	sc.exe
3016	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	qhpnxszn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_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	netsh.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 2336 wrote to memory of 2200	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	31
PID 2336 wrote to memory of 2200	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	31
PID 2336 wrote to memory of 2200	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	31
PID 2336 wrote to memory of 2200	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	31
PID 2336 wrote to memory of 2396	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	33
PID 2336 wrote to memory of 2396	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	33
PID 2336 wrote to memory of 2396	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	33
PID 2336 wrote to memory of 2396	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	33
PID 2336 wrote to memory of 2140	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	35
PID 2336 wrote to memory of 2140	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	35
PID 2336 wrote to memory of 2140	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	35
PID 2336 wrote to memory of 2140	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	35
PID 2336 wrote to memory of 2740	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	37
PID 2336 wrote to memory of 2740	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	37
PID 2336 wrote to memory of 2740	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	37
PID 2336 wrote to memory of 2740	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	37
PID 2336 wrote to memory of 3016	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	39
PID 2336 wrote to memory of 3016	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	39
PID 2336 wrote to memory of 3016	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	39
PID 2336 wrote to memory of 3016	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	39
PID 2684 wrote to memory of 2784	2684	qhpnxszn.exe	42
PID 2684 wrote to memory of 2784	2684	qhpnxszn.exe	42
PID 2684 wrote to memory of 2784	2684	qhpnxszn.exe	42
PID 2684 wrote to memory of 2784	2684	qhpnxszn.exe	42
PID 2684 wrote to memory of 2784	2684	qhpnxszn.exe	42
PID 2684 wrote to memory of 2784	2684	qhpnxszn.exe	42
PID 2336 wrote to memory of 2572	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	43
PID 2336 wrote to memory of 2572	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	43
PID 2336 wrote to memory of 2572	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	43
PID 2336 wrote to memory of 2572	2336	2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\compfscz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2200
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qhpnxszn.exe" C:\Windows\SysWOW64\compfscz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2396
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create compfscz binPath= "C:\Windows\SysWOW64\compfscz\qhpnxszn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2140
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description compfscz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start compfscz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3016
- 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:2572

C:\Windows\SysWOW64\compfscz\qhpnxszn.exe
C:\Windows\SysWOW64\compfscz\qhpnxszn.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684
- 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:2784

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\qhpnxszn.exe

Filesize
13.5MB

MD5
cf00946f2ff05dcd2bc52a8c5cb7d41e

SHA1
876709c0e0806196f64933950feec26c9c29d4ce

SHA256
01c0bfff049a1dcd9669b2169564c1b78afd1cc157da0a2d379074b3784d3a75

SHA512
802da1e5938517363d2a68178d46042cd8cb8feea7900066d811d177e08d14fbf142b28babcb3a13e1ae859c1803d3902c384ccb35d5c486b3bee63cd0fed130

Download Submit
memory/2336-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2336-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2336-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2336-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2336-1-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2336-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2684-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2784-11-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2784-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-8-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2784-17-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2784-18-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads