tofsee | 93cf22f3798685c367dee4bbf73edb52473d1e19571d9e0fda7012f169782311

General

Target

2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe
Size

13.4MB
MD5

bf9e3969461987ba751e1cd8104054c8
SHA1

92f1e691dd55e2486cfebc15507a40b56f407e03
SHA256

93cf22f3798685c367dee4bbf73edb52473d1e19571d9e0fda7012f169782311
SHA512

21495707d2ff7dec300d69ff4f7149306f209252e04ae1bb04dc433d8586c4fcfd7bc564cc770f72ac92c931b1ba92a30cf5c9d13546a2fb65a0b616a66ebdf3
SSDEEP

3072:1LBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:YOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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
5084	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\uqpxgakp\ImagePath = "C:\\Windows\\SysWOW64\\uqpxgakp\\hhitopnv.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-1-5-21-70482961-775596374-3727440602-1000\Control Panel\International\Geo\Nation	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe

Deletes itself 1 IoCs

pid	Process
2296	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2256	hhitopnv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2256 set thread context of 2296	2256	hhitopnv.exe	105

Launches sc.exe 3 IoCs

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

pid	Process
1184	sc.exe
2396	sc.exe
3992	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
4036	4988	WerFault.exe	82
2320	2256	WerFault.exe	99

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	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe
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	hhitopnv.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 3260	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	89
PID 4988 wrote to memory of 3260	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	89
PID 4988 wrote to memory of 3260	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	89
PID 4988 wrote to memory of 1252	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	91
PID 4988 wrote to memory of 1252	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	91
PID 4988 wrote to memory of 1252	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	91
PID 4988 wrote to memory of 2396	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	93
PID 4988 wrote to memory of 2396	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	93
PID 4988 wrote to memory of 2396	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	93
PID 4988 wrote to memory of 3992	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	95
PID 4988 wrote to memory of 3992	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	95
PID 4988 wrote to memory of 3992	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	95
PID 4988 wrote to memory of 1184	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	97
PID 4988 wrote to memory of 1184	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	97
PID 4988 wrote to memory of 1184	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	97
PID 4988 wrote to memory of 5084	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	100
PID 4988 wrote to memory of 5084	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	100
PID 4988 wrote to memory of 5084	4988	2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe	100
PID 2256 wrote to memory of 2296	2256	hhitopnv.exe	105
PID 2256 wrote to memory of 2296	2256	hhitopnv.exe	105
PID 2256 wrote to memory of 2296	2256	hhitopnv.exe	105
PID 2256 wrote to memory of 2296	2256	hhitopnv.exe	105
PID 2256 wrote to memory of 2296	2256	hhitopnv.exe	105

C:\Users\Admin\AppData\Local\Temp\2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uqpxgakp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hhitopnv.exe" C:\Windows\SysWOW64\uqpxgakp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1252
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uqpxgakp binPath= "C:\Windows\SysWOW64\uqpxgakp\hhitopnv.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2396
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uqpxgakp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3992
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uqpxgakp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1184
- 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:5084
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 1040
  2⤵
  - Program crash
  PID:4036

C:\Windows\SysWOW64\uqpxgakp\hhitopnv.exe
C:\Windows\SysWOW64\uqpxgakp\hhitopnv.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-03_bf9e3969461987ba751e1cd8104054c8_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2296
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2256 -s 512
  2⤵
  - Program crash
  PID:2320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4988 -ip 4988
1⤵
PID:4248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2256 -ip 2256
1⤵
PID:2912

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\hhitopnv.exe

Filesize
10.8MB

MD5
6b613622637e939ab943b2aa4cab79b7

SHA1
16b67a87286358ca833faf94130c749b2e6aae7e

SHA256
b93fb0689b5b211a0f02dc44f1fa3a9da0e4047b8f72ddcd753d5bcf41f70479

SHA512
6f16d17512d65c41e095c87e19c1e81b724c40045649323454cd218355bb1d52c611805d439ce9d0e0ab1dc24d6e668818f2b01b5f83cf86d41cb645d31f2f9f

Download Submit
memory/2256-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2256-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2256-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2256-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2296-14-0x0000000000D50000-0x0000000000D65000-memory.dmp

Filesize
84KB

Download
memory/2296-16-0x0000000000D50000-0x0000000000D65000-memory.dmp

Filesize
84KB

Download
memory/2296-17-0x0000000000D50000-0x0000000000D65000-memory.dmp

Filesize
84KB

Download
memory/4988-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4988-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4988-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4988-1-0x0000000000740000-0x0000000000840000-memory.dmp

Filesize
1024KB

Download
memory/4988-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4988-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads