tofsee | 8c9d73f067077892c0ffbe4778c063fc50ad6235c6e35e08e7358bb5e6751ab3

General

Target

2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe
Size

14.6MB
MD5

000902790eacc0ac293c991dcdfae295
SHA1

58e9ba8e74cd2a5209c434c1a3d5ddfa2dae9f41
SHA256

8c9d73f067077892c0ffbe4778c063fc50ad6235c6e35e08e7358bb5e6751ab3
SHA512

9c9abdb9383b20f28358e8c0fcf7a4545219b5218caaf57d7dbdf93f6efb000e8d2ad135f79cabc9bfae9b33e4db37bd1fd2ba68e351523452e882f86f0ed80e
SSDEEP

49152:2qE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:2qtYc3

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

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
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
4780	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\psbsjqhm\ImagePath = "C:\\Windows\\SysWOW64\\psbsjqhm\\ivhexkpz.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe

Deletes itself 1 IoCs

pid	Process
2744	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4504	ivhexkpz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4504 set thread context of 2744	4504	ivhexkpz.exe	99

Launches sc.exe 3 IoCs

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

pid	Process
3156	sc.exe
1892	sc.exe
1796	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4892	1008	WerFault.exe	82
1188	4504	WerFault.exe	94

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ivhexkpz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.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	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 2052	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	83
PID 1008 wrote to memory of 2052	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	83
PID 1008 wrote to memory of 2052	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	83
PID 1008 wrote to memory of 2948	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	85
PID 1008 wrote to memory of 2948	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	85
PID 1008 wrote to memory of 2948	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	85
PID 1008 wrote to memory of 1796	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	87
PID 1008 wrote to memory of 1796	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	87
PID 1008 wrote to memory of 1796	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	87
PID 1008 wrote to memory of 3156	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	89
PID 1008 wrote to memory of 3156	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	89
PID 1008 wrote to memory of 3156	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	89
PID 1008 wrote to memory of 1892	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	92
PID 1008 wrote to memory of 1892	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	92
PID 1008 wrote to memory of 1892	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	92
PID 1008 wrote to memory of 4780	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	95
PID 1008 wrote to memory of 4780	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	95
PID 1008 wrote to memory of 4780	1008	2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe	95
PID 4504 wrote to memory of 2744	4504	ivhexkpz.exe	99
PID 4504 wrote to memory of 2744	4504	ivhexkpz.exe	99
PID 4504 wrote to memory of 2744	4504	ivhexkpz.exe	99
PID 4504 wrote to memory of 2744	4504	ivhexkpz.exe	99
PID 4504 wrote to memory of 2744	4504	ivhexkpz.exe	99

C:\Users\Admin\AppData\Local\Temp\2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1008
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\psbsjqhm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2052
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ivhexkpz.exe" C:\Windows\SysWOW64\psbsjqhm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create psbsjqhm binPath= "C:\Windows\SysWOW64\psbsjqhm\ivhexkpz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1796
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description psbsjqhm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3156
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start psbsjqhm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1892
- 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:4780
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 580
  2⤵
  - Program crash
  PID:4892

C:\Windows\SysWOW64\psbsjqhm\ivhexkpz.exe
C:\Windows\SysWOW64\psbsjqhm\ivhexkpz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-08_000902790eacc0ac293c991dcdfae295_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4504
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 512
  2⤵
  - Program crash
  PID:1188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1008 -ip 1008
1⤵
PID:4856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4504 -ip 4504
1⤵
PID:5112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
10.8MB

MD5
566bbb19f3c7cc564d8bc4387efba05c

SHA1
7d5c801927244a0c64a164fe66f23c2c7566bee3

SHA256
18a7e2c03f3ef42f3f49633f77567e9d52126bfb9d7364d3a64cecf242279583

SHA512
eaac74c7a2fced2ef0237b12004949391d2b55f8922b184cdd07adc71a8e4366f368f2541c91103f0d5eb6ed3823b790c41e9ae3754c51469cbf1260d9ca8d64

Download Submit
memory/1008-1-0x0000000002E10000-0x0000000002F10000-memory.dmp

Filesize
1024KB

Download
memory/1008-2-0x0000000002F10000-0x0000000002F23000-memory.dmp

Filesize
76KB

Download
memory/1008-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1008-12-0x0000000002F10000-0x0000000002F23000-memory.dmp

Filesize
76KB

Download
memory/1008-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1008-11-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2744-8-0x0000000001270000-0x0000000001285000-memory.dmp

Filesize
84KB

Download
memory/2744-14-0x0000000001270000-0x0000000001285000-memory.dmp

Filesize
84KB

Download
memory/2744-15-0x0000000001270000-0x0000000001285000-memory.dmp

Filesize
84KB

Download
memory/4504-10-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads