tofsee | a725c7f09a266056b3599ff0d8531a1145a243808b48eefaefa805ec00c62af0

Analysis

max time kernel
144s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
27/01/2025, 11:06

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General

Target

2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe
Size

14.5MB
MD5

a026d18ee3a43efeb3bb6cf62627fb60
SHA1

001bdf3769b61ec1043b594945ce524229c243c1
SHA256

a725c7f09a266056b3599ff0d8531a1145a243808b48eefaefa805ec00c62af0
SHA512

87ab5827d7bb9ae67fa754e6d1fa32e6d89c221f15bb13dec112299d35c0e4bf98d155122d5357aba6223e97a3ded11dc91720de8a6e19a678b07bbbcabdc923
SSDEEP

24576:6EfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZJ:Tfot

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\bdjgyphx = "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
2212	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\bdjgyphx\ImagePath = "C:\\Windows\\SysWOW64\\bdjgyphx\\viurkxcm.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2884	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2816	viurkxcm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2816 set thread context of 2884	2816	viurkxcm.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2916	sc.exe
2840	sc.exe
2432	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	viurkxcm.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	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	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 1328	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	31
PID 2624 wrote to memory of 1328	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	31
PID 2624 wrote to memory of 1328	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	31
PID 2624 wrote to memory of 1328	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	31
PID 2624 wrote to memory of 2028	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	33
PID 2624 wrote to memory of 2028	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	33
PID 2624 wrote to memory of 2028	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	33
PID 2624 wrote to memory of 2028	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	33
PID 2624 wrote to memory of 2432	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	35
PID 2624 wrote to memory of 2432	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	35
PID 2624 wrote to memory of 2432	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	35
PID 2624 wrote to memory of 2432	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	35
PID 2624 wrote to memory of 2916	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	37
PID 2624 wrote to memory of 2916	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	37
PID 2624 wrote to memory of 2916	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	37
PID 2624 wrote to memory of 2916	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	37
PID 2624 wrote to memory of 2840	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	39
PID 2624 wrote to memory of 2840	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	39
PID 2624 wrote to memory of 2840	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	39
PID 2624 wrote to memory of 2840	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	39
PID 2624 wrote to memory of 2212	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	42
PID 2624 wrote to memory of 2212	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	42
PID 2624 wrote to memory of 2212	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	42
PID 2624 wrote to memory of 2212	2624	2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe	42
PID 2816 wrote to memory of 2884	2816	viurkxcm.exe	43
PID 2816 wrote to memory of 2884	2816	viurkxcm.exe	43
PID 2816 wrote to memory of 2884	2816	viurkxcm.exe	43
PID 2816 wrote to memory of 2884	2816	viurkxcm.exe	43
PID 2816 wrote to memory of 2884	2816	viurkxcm.exe	43
PID 2816 wrote to memory of 2884	2816	viurkxcm.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bdjgyphx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1328
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\viurkxcm.exe" C:\Windows\SysWOW64\bdjgyphx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2028
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create bdjgyphx binPath= "C:\Windows\SysWOW64\bdjgyphx\viurkxcm.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2432
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description bdjgyphx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2916
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start bdjgyphx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2840
- 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:2212

C:\Windows\SysWOW64\bdjgyphx\viurkxcm.exe
C:\Windows\SysWOW64\bdjgyphx\viurkxcm.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-27_a026d18ee3a43efeb3bb6cf62627fb60_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- 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:2884

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\viurkxcm.exe

Filesize
10.5MB

MD5
a3623c07786ed20326db682435737167

SHA1
2d67742105f40d218032cd0e90d704ee64b2931d

SHA256
8f52d33156403a6d02f9c63856cb07bf05db74f4f44f379fa9aece834a52f010

SHA512
4fbd5289df14d4ca475038f00f36a97c3205ac5e6f18d00923fc6fa99b8d72795b28a784200eafd4b268e08a253a93bb4ea289f13b5c1b134598b809b771b5c5

Download Submit
memory/2624-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2624-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2624-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2624-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2624-13-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2624-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download
memory/2816-16-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2884-11-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2884-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-8-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2884-17-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2884-18-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads