tofsee | caedd5298fcd325ce726a5070a0140d17ce979b4b72cd8ce549993742f34ec22

General

Target

2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe
Size

11.5MB
MD5

b8d6027cebab815e009f45eb5ae3b552
SHA1

15287551abf440d208148670138c22a5f0eb6102
SHA256

caedd5298fcd325ce726a5070a0140d17ce979b4b72cd8ce549993742f34ec22
SHA512

c3799f3d153c5d09d34a1da9217a29e60b0ae34957a76889989e5eac51a6ccf9361b91cd24c37892f04997533979134fc55ffb92a309be5aa91f74af1fb2f915
SSDEEP

3072:mLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/o:POMdRQr7OB0ypmMXnl8XEPM3noSWOC9

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
2444	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\hgrtxihc\ImagePath = "C:\\Windows\\SysWOW64\\hgrtxihc\\pocespqi.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-1-5-21-1121399784-3202166597-3503557106-1000\Control Panel\International\Geo\Nation	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe

Deletes itself 1 IoCs

pid	Process
4724	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4276	pocespqi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4276 set thread context of 4724	4276	pocespqi.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
1196	sc.exe
2712	sc.exe
2356	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
2116	1316	WerFault.exe	81
3840	4276	WerFault.exe	95

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pocespqi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_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	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 4872	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	85
PID 1316 wrote to memory of 4872	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	85
PID 1316 wrote to memory of 4872	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	85
PID 1316 wrote to memory of 4904	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	87
PID 1316 wrote to memory of 4904	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	87
PID 1316 wrote to memory of 4904	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	87
PID 1316 wrote to memory of 1196	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	89
PID 1316 wrote to memory of 1196	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	89
PID 1316 wrote to memory of 1196	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	89
PID 1316 wrote to memory of 2712	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	91
PID 1316 wrote to memory of 2712	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	91
PID 1316 wrote to memory of 2712	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	91
PID 1316 wrote to memory of 2356	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	93
PID 1316 wrote to memory of 2356	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	93
PID 1316 wrote to memory of 2356	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	93
PID 1316 wrote to memory of 2444	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	96
PID 1316 wrote to memory of 2444	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	96
PID 1316 wrote to memory of 2444	1316	2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe	96
PID 4276 wrote to memory of 4724	4276	pocespqi.exe	101
PID 4276 wrote to memory of 4724	4276	pocespqi.exe	101
PID 4276 wrote to memory of 4724	4276	pocespqi.exe	101
PID 4276 wrote to memory of 4724	4276	pocespqi.exe	101
PID 4276 wrote to memory of 4724	4276	pocespqi.exe	101

C:\Users\Admin\AppData\Local\Temp\2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hgrtxihc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4872
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pocespqi.exe" C:\Windows\SysWOW64\hgrtxihc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4904
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hgrtxihc binPath= "C:\Windows\SysWOW64\hgrtxihc\pocespqi.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1196
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hgrtxihc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2712
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hgrtxihc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2356
- 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:2444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 672
  2⤵
  - Program crash
  PID:2116

C:\Windows\SysWOW64\hgrtxihc\pocespqi.exe
C:\Windows\SysWOW64\hgrtxihc\pocespqi.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_b8d6027cebab815e009f45eb5ae3b552_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4276
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 512
  2⤵
  - Program crash
  PID:3840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1316 -ip 1316
1⤵
PID:4868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4276 -ip 4276
1⤵
PID:1388

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\pocespqi.exe

Filesize
13.1MB

MD5
4142761b58f08cf703d210977b17ee43

SHA1
a88a1cea4df0744ddc8351be53fbd6f6aa40fd5e

SHA256
c721a3e01bf0fc9c7482cc568fbcb3115de882b796ad75f59988ee4701202f79

SHA512
3281109f6cdd2db121a6bc7d041c895ccec7c50a57b3da3b07520015cd0e0f1da910c1b496688a1c768620a17ee4248d0808aa475e69f8540657ebc9dd6803c6

Download Submit
memory/1316-8-0x0000000000870000-0x0000000000883000-memory.dmp

Filesize
76KB

Download
memory/1316-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1316-2-0x0000000000870000-0x0000000000883000-memory.dmp

Filesize
76KB

Download
memory/1316-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1316-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1316-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/4276-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4276-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4276-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4276-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4724-14-0x0000000000FD0000-0x0000000000FE5000-memory.dmp

Filesize
84KB

Download
memory/4724-16-0x0000000000FD0000-0x0000000000FE5000-memory.dmp

Filesize
84KB

Download
memory/4724-17-0x0000000000FD0000-0x0000000000FE5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads