tofsee | 4bf62ba46395dc870ed3ec3ed2c0ec4589ceb8cd9d07bc002baa9f3b196f20ab

General

Target

2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe
Size

11.0MB
MD5

38e7992204b4ed4f58fe205bb8da7f3f
SHA1

9f84dae5021806ea9b1cbbe70b485d140b47201f
SHA256

4bf62ba46395dc870ed3ec3ed2c0ec4589ceb8cd9d07bc002baa9f3b196f20ab
SHA512

5696c9c8aea89bd4a23bce623dbaceb31796bda3a4095443ef245c8b508e1b371f2dfe37b7e50f13e82473ae4755d1008e7ab8e340945eba95178e9206a5804d
SSDEEP

3072:sLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:JOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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
2224	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\jqonefub\ImagePath = "C:\\Windows\\SysWOW64\\jqonefub\\wqqhsbsu.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-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe

Deletes itself 1 IoCs

pid	Process
2184	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2936	wqqhsbsu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 2184	2936	wqqhsbsu.exe	103

Launches sc.exe 3 IoCs

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

pid	Process
1692	sc.exe
2988	sc.exe
3136	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
4468	2076	WerFault.exe	82
2968	2936	WerFault.exe	96

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	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	wqqhsbsu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 3904	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	86
PID 2076 wrote to memory of 3904	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	86
PID 2076 wrote to memory of 3904	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	86
PID 2076 wrote to memory of 732	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	88
PID 2076 wrote to memory of 732	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	88
PID 2076 wrote to memory of 732	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	88
PID 2076 wrote to memory of 1692	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	90
PID 2076 wrote to memory of 1692	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	90
PID 2076 wrote to memory of 1692	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	90
PID 2076 wrote to memory of 2988	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	92
PID 2076 wrote to memory of 2988	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	92
PID 2076 wrote to memory of 2988	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	92
PID 2076 wrote to memory of 3136	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	94
PID 2076 wrote to memory of 3136	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	94
PID 2076 wrote to memory of 3136	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	94
PID 2076 wrote to memory of 2224	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	97
PID 2076 wrote to memory of 2224	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	97
PID 2076 wrote to memory of 2224	2076	2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe	97
PID 2936 wrote to memory of 2184	2936	wqqhsbsu.exe	103
PID 2936 wrote to memory of 2184	2936	wqqhsbsu.exe	103
PID 2936 wrote to memory of 2184	2936	wqqhsbsu.exe	103
PID 2936 wrote to memory of 2184	2936	wqqhsbsu.exe	103
PID 2936 wrote to memory of 2184	2936	wqqhsbsu.exe	103

C:\Users\Admin\AppData\Local\Temp\2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jqonefub\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3904
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wqqhsbsu.exe" C:\Windows\SysWOW64\jqonefub\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:732
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jqonefub binPath= "C:\Windows\SysWOW64\jqonefub\wqqhsbsu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1692
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jqonefub "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2988
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jqonefub
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3136
- 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:2224
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1028
  2⤵
  - Program crash
  PID:4468

C:\Windows\SysWOW64\jqonefub\wqqhsbsu.exe
C:\Windows\SysWOW64\jqonefub\wqqhsbsu.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_38e7992204b4ed4f58fe205bb8da7f3f_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2184
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 516
  2⤵
  - Program crash
  PID:2968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2076 -ip 2076
1⤵
PID:1536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2936 -ip 2936
1⤵
PID:2980

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\wqqhsbsu.exe

Filesize
12.3MB

MD5
7c4debdfa9ba03792852b461faa15246

SHA1
f8e93141c4af1dfe0b818cbe28f9a86fe73882fa

SHA256
8862babb54389258aee155acef4098dcab50640ba633af81524fd198e40d2bcf

SHA512
0b976532add902114194c6726c3f198fa906ac4c80cdd8b55b33080a87541aadefd2e3b6abdd3cf37b72143ace5d8cfe26e7cce94d9823a3558ec7eb26cc4e04

Download Submit
memory/2076-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/2076-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2076-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/2076-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2076-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2076-1-0x0000000000640000-0x0000000000740000-memory.dmp

Filesize
1024KB

Download
memory/2184-14-0x0000000000650000-0x0000000000665000-memory.dmp

Filesize
84KB

Download
memory/2184-16-0x0000000000650000-0x0000000000665000-memory.dmp

Filesize
84KB

Download
memory/2184-17-0x0000000000650000-0x0000000000665000-memory.dmp

Filesize
84KB

Download
memory/2936-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2936-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2936-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2936-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads