tofsee | 39686750872f865dafa4bfee49ae339567da052faed6667322eb386c2a374a74

Analysis

max time kernel
142s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
12/02/2025, 20:19

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General

Target

2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe
Size

12.3MB
MD5

3282c73e006d7ac56222da1498668f06
SHA1

14f7bcf5e57d34841387db082da3dd9bbb9af0b3
SHA256

39686750872f865dafa4bfee49ae339567da052faed6667322eb386c2a374a74
SHA512

655f455f05fa9d76c73da5f5b752003617fb946a6d3579e35adcd31e3103f313050deafbb41d2f1b81c5101f9d1af49b3a1edad92a36d47e1af99c0b3ea8dd1d
SSDEEP

6144:yLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ9:zTYe+D2jFu+iZoUFhAz

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\ogimgqje = "0"	svchost.exe

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
2916	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\ogimgqje\ImagePath = "C:\\Windows\\SysWOW64\\ogimgqje\\htsgrbjd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3000	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2796	htsgrbjd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2796 set thread context of 3000	2796	htsgrbjd.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
300	sc.exe
2748	sc.exe
3060	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

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	htsgrbjd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 444	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	30
PID 2152 wrote to memory of 444	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	30
PID 2152 wrote to memory of 444	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	30
PID 2152 wrote to memory of 444	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	30
PID 2152 wrote to memory of 2532	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	32
PID 2152 wrote to memory of 2532	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	32
PID 2152 wrote to memory of 2532	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	32
PID 2152 wrote to memory of 2532	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	32
PID 2152 wrote to memory of 300	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	34
PID 2152 wrote to memory of 300	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	34
PID 2152 wrote to memory of 300	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	34
PID 2152 wrote to memory of 300	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	34
PID 2152 wrote to memory of 2748	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	36
PID 2152 wrote to memory of 2748	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	36
PID 2152 wrote to memory of 2748	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	36
PID 2152 wrote to memory of 2748	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	36
PID 2152 wrote to memory of 3060	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	38
PID 2152 wrote to memory of 3060	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	38
PID 2152 wrote to memory of 3060	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	38
PID 2152 wrote to memory of 3060	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	38
PID 2152 wrote to memory of 2916	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	41
PID 2152 wrote to memory of 2916	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	41
PID 2152 wrote to memory of 2916	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	41
PID 2152 wrote to memory of 2916	2152	2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe	41
PID 2796 wrote to memory of 3000	2796	htsgrbjd.exe	43
PID 2796 wrote to memory of 3000	2796	htsgrbjd.exe	43
PID 2796 wrote to memory of 3000	2796	htsgrbjd.exe	43
PID 2796 wrote to memory of 3000	2796	htsgrbjd.exe	43
PID 2796 wrote to memory of 3000	2796	htsgrbjd.exe	43
PID 2796 wrote to memory of 3000	2796	htsgrbjd.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ogimgqje\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:444
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\htsgrbjd.exe" C:\Windows\SysWOW64\ogimgqje\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2532
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ogimgqje binPath= "C:\Windows\SysWOW64\ogimgqje\htsgrbjd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:300
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ogimgqje "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ogimgqje
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3060
- 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:2916

C:\Windows\SysWOW64\ogimgqje\htsgrbjd.exe
C:\Windows\SysWOW64\ogimgqje\htsgrbjd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-12_3282c73e006d7ac56222da1498668f06_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
14.2MB

MD5
5797ad97138a77da21fbce899e57059c

SHA1
0bc15a86ced1b0433ef748b0722016225550950f

SHA256
74f0d859fedaab25b57b0c46d7b45890e8d85024564f476cebf3b4abed29bc52

SHA512
249103af2f6cfc9f2781072e568c5f83ad653ce36133164c148aa481c276f6cb7806b66ae7e8710e87c92dbc0e54a2d816e5f98ac42a6d7e56cc32d7a4ad3228

Download Submit
memory/2152-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2152-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2152-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2152-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2152-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2152-1-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/2796-16-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3000-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3000-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3000-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3000-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3000-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads