tofsee | f234e31303e9c4e0b680675af97d1d86923809c1edfceb3732d560b15fcd4fd6

Analysis

max time kernel
145s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 05:53

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General

Target

2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe
Size

13.0MB
MD5

7d70bebfafa8dfcdf62e4c39c754df0d
SHA1

926c63c7963ab84c5e1fef15fbd75f09834b22ac
SHA256

f234e31303e9c4e0b680675af97d1d86923809c1edfceb3732d560b15fcd4fd6
SHA512

2138409fa506ffffe5c2b0f2ed648ac4880d2ae15d869b8b5f4415e9c2115bb545087128090def3379d9026d2d965e100eb4a13e8f1eda0d24d7ce0eb7fc7314
SSDEEP

24576:qpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttA:+ooW

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\zgfjwuw = "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
2988	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\zgfjwuw\ImagePath = "C:\\Windows\\SysWOW64\\zgfjwuw\\evdblgnb.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2760	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2836	evdblgnb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2836 set thread context of 2760	2836	evdblgnb.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2420	sc.exe
2788	sc.exe
2852	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_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	evdblgnb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 1752	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	31
PID 2272 wrote to memory of 1752	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	31
PID 2272 wrote to memory of 1752	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	31
PID 2272 wrote to memory of 1752	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	31
PID 2272 wrote to memory of 2520	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	33
PID 2272 wrote to memory of 2520	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	33
PID 2272 wrote to memory of 2520	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	33
PID 2272 wrote to memory of 2520	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	33
PID 2272 wrote to memory of 2420	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	35
PID 2272 wrote to memory of 2420	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	35
PID 2272 wrote to memory of 2420	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	35
PID 2272 wrote to memory of 2420	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	35
PID 2272 wrote to memory of 2788	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	37
PID 2272 wrote to memory of 2788	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	37
PID 2272 wrote to memory of 2788	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	37
PID 2272 wrote to memory of 2788	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	37
PID 2272 wrote to memory of 2852	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	39
PID 2272 wrote to memory of 2852	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	39
PID 2272 wrote to memory of 2852	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	39
PID 2272 wrote to memory of 2852	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	39
PID 2836 wrote to memory of 2760	2836	evdblgnb.exe	42
PID 2836 wrote to memory of 2760	2836	evdblgnb.exe	42
PID 2836 wrote to memory of 2760	2836	evdblgnb.exe	42
PID 2836 wrote to memory of 2760	2836	evdblgnb.exe	42
PID 2836 wrote to memory of 2760	2836	evdblgnb.exe	42
PID 2836 wrote to memory of 2760	2836	evdblgnb.exe	42
PID 2272 wrote to memory of 2988	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	43
PID 2272 wrote to memory of 2988	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	43
PID 2272 wrote to memory of 2988	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	43
PID 2272 wrote to memory of 2988	2272	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zgfjwuw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1752
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\evdblgnb.exe" C:\Windows\SysWOW64\zgfjwuw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2520
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zgfjwuw binPath= "C:\Windows\SysWOW64\zgfjwuw\evdblgnb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2420
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zgfjwuw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zgfjwuw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2852
- 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:2988

C:\Windows\SysWOW64\zgfjwuw\evdblgnb.exe
C:\Windows\SysWOW64\zgfjwuw\evdblgnb.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2836
- 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:2760

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\evdblgnb.exe

Filesize
12.1MB

MD5
38f8be83da62f4e145a7470b31b1227f

SHA1
ff5c3e41e755e5788ee79233978b2295eb30beb7

SHA256
74044df518bdc11131f8242a8103954b59012bb6a07b20ede71358577f92d62a

SHA512
537b8d06b1e46d1325de205bd84bd68d81084a413d53fc43c6092e01b488c09f5fdd8240b7ff1407a1d037ec2b966617e610838e83e4a36f02e66d6fb083e44f

Download Submit
memory/2272-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2272-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2272-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2272-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2272-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2272-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2760-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2760-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2760-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2760-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2760-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2836-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads