tofsee | 544694842f7da84bdad251caa2dce8bbcd38aa6c51a6c37ac873ac28c0d6a9eb

General

Target

2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe
Size

11.1MB
MD5

6cec5d52b5c1462a842c7c73a284c356
SHA1

9b97d04106a0c24d465476a63284f9daa9f9c951
SHA256

544694842f7da84bdad251caa2dce8bbcd38aa6c51a6c37ac873ac28c0d6a9eb
SHA512

a6370a38036959248dc983cf57c5bb9d924383719b05fdf15e1bca3fa697c7358b3e947d05ab9e65cc246a26ad087f4ce11b7d119b0c28e0620afd642e6d2f08
SSDEEP

24576:UEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZM:xfoty

Score

10^/10

tofsee defense_evasion discovery 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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1228	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\gdrlvthv\ImagePath = "C:\\Windows\\SysWOW64\\gdrlvthv\\hygeojqe.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-1-5-21-3625106387-4207083342-115176794-1000\Control Panel\International\Geo\Nation	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe

Deletes itself 1 IoCs

pid	Process
1632	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4664	hygeojqe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4664 set thread context of 1632	4664	hygeojqe.exe	105

Launches sc.exe 3 IoCs

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

pid	Process
3792	sc.exe
4740	sc.exe
4308	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1436	4608	WerFault.exe	82
3628	4664	WerFault.exe	98

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hygeojqe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4608 wrote to memory of 5068	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	86
PID 4608 wrote to memory of 5068	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	86
PID 4608 wrote to memory of 5068	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	86
PID 4608 wrote to memory of 2196	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	88
PID 4608 wrote to memory of 2196	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	88
PID 4608 wrote to memory of 2196	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	88
PID 4608 wrote to memory of 3792	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	90
PID 4608 wrote to memory of 3792	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	90
PID 4608 wrote to memory of 3792	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	90
PID 4608 wrote to memory of 4740	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	93
PID 4608 wrote to memory of 4740	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	93
PID 4608 wrote to memory of 4740	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	93
PID 4608 wrote to memory of 4308	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	96
PID 4608 wrote to memory of 4308	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	96
PID 4608 wrote to memory of 4308	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	96
PID 4608 wrote to memory of 1228	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	100
PID 4608 wrote to memory of 1228	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	100
PID 4608 wrote to memory of 1228	4608	2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe	100
PID 4664 wrote to memory of 1632	4664	hygeojqe.exe	105
PID 4664 wrote to memory of 1632	4664	hygeojqe.exe	105
PID 4664 wrote to memory of 1632	4664	hygeojqe.exe	105
PID 4664 wrote to memory of 1632	4664	hygeojqe.exe	105
PID 4664 wrote to memory of 1632	4664	hygeojqe.exe	105

C:\Users\Admin\AppData\Local\Temp\2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4608
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gdrlvthv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hygeojqe.exe" C:\Windows\SysWOW64\gdrlvthv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2196
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gdrlvthv binPath= "C:\Windows\SysWOW64\gdrlvthv\hygeojqe.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3792
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gdrlvthv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gdrlvthv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4308
- 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:1228
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 1036
  2⤵
  - Program crash
  PID:1436

C:\Windows\SysWOW64\gdrlvthv\hygeojqe.exe
C:\Windows\SysWOW64\gdrlvthv\hygeojqe.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-04_6cec5d52b5c1462a842c7c73a284c356_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4664
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 508
  2⤵
  - Program crash
  PID:3628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4608 -ip 4608
1⤵
PID:4556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4664 -ip 4664
1⤵
PID:1644

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\hygeojqe.exe

Filesize
13.7MB

MD5
b88204b566b28005c6ed693c2d9f6913

SHA1
f865a0fcf521337d613f655b2606db11a623017c

SHA256
9863f2b5840accd6d692c9c435faaea859fd3c8ea7d88e27426ddf2c7a876750

SHA512
14aeecd190391e3ed8a01734014da2f39f96bfe802f5318c140b63fbebab2f08483ff20f2a29052086a5a302d9eda8ed7e55e85de7d3c6d6c85db03aeb4cd5fe

Download Submit
memory/1632-14-0x0000000000620000-0x0000000000635000-memory.dmp

Filesize
84KB

Download
memory/1632-17-0x0000000000620000-0x0000000000635000-memory.dmp

Filesize
84KB

Download
memory/1632-16-0x0000000000620000-0x0000000000635000-memory.dmp

Filesize
84KB

Download
memory/4608-8-0x0000000000580000-0x0000000000593000-memory.dmp

Filesize
76KB

Download
memory/4608-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4608-1-0x0000000000730000-0x0000000000830000-memory.dmp

Filesize
1024KB

Download
memory/4608-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4608-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4608-2-0x0000000000580000-0x0000000000593000-memory.dmp

Filesize
76KB

Download
memory/4664-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4664-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4664-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4664-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads