tofsee | 7d38f460701f9a718696f544dd64ac3066ed34dd16e2bcb1badb944cd8240cbb

Analysis

max time kernel
143s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 19:28

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General

Target

2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe
Size

11.8MB
MD5

82241fee715e83814c3be4f469b41759
SHA1

e871228cd3bcb8ff800689a24bf466ff014d06f9
SHA256

7d38f460701f9a718696f544dd64ac3066ed34dd16e2bcb1badb944cd8240cbb
SHA512

54804b81ddd4d5f85d0adb2b083163131776b898484b51eee413d11dc8b2030f17f0e2227a17f5896e45cf6a15265d8b53ba8d301291d10f1ab5c9842157db3a
SSDEEP

3072:iLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:LOMdRQr7OB0ypmMXnl8XEPM3noSWOC

Score

10^/10

tofsee discovery evasion 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

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\aqxutiqu = "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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2752	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\aqxutiqu\ImagePath = "C:\\Windows\\SysWOW64\\aqxutiqu\\sjfmdcgk.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2900	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2912	sjfmdcgk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2912 set thread context of 2900	2912	sjfmdcgk.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2692	sc.exe
2708	sc.exe
2872	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	sjfmdcgk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2408	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	30
PID 2536 wrote to memory of 2408	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	30
PID 2536 wrote to memory of 2408	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	30
PID 2536 wrote to memory of 2408	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	30
PID 2536 wrote to memory of 1824	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	32
PID 2536 wrote to memory of 1824	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	32
PID 2536 wrote to memory of 1824	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	32
PID 2536 wrote to memory of 1824	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	32
PID 2536 wrote to memory of 2692	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	34
PID 2536 wrote to memory of 2692	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	34
PID 2536 wrote to memory of 2692	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	34
PID 2536 wrote to memory of 2692	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	34
PID 2536 wrote to memory of 2708	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	36
PID 2536 wrote to memory of 2708	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	36
PID 2536 wrote to memory of 2708	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	36
PID 2536 wrote to memory of 2708	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	36
PID 2536 wrote to memory of 2872	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	38
PID 2536 wrote to memory of 2872	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	38
PID 2536 wrote to memory of 2872	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	38
PID 2536 wrote to memory of 2872	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	38
PID 2536 wrote to memory of 2752	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	41
PID 2536 wrote to memory of 2752	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	41
PID 2536 wrote to memory of 2752	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	41
PID 2536 wrote to memory of 2752	2536	2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe	41
PID 2912 wrote to memory of 2900	2912	sjfmdcgk.exe	43
PID 2912 wrote to memory of 2900	2912	sjfmdcgk.exe	43
PID 2912 wrote to memory of 2900	2912	sjfmdcgk.exe	43
PID 2912 wrote to memory of 2900	2912	sjfmdcgk.exe	43
PID 2912 wrote to memory of 2900	2912	sjfmdcgk.exe	43
PID 2912 wrote to memory of 2900	2912	sjfmdcgk.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aqxutiqu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2408
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sjfmdcgk.exe" C:\Windows\SysWOW64\aqxutiqu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1824
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create aqxutiqu binPath= "C:\Windows\SysWOW64\aqxutiqu\sjfmdcgk.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2692
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description aqxutiqu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2708
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start aqxutiqu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2872
- 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:2752

C:\Windows\SysWOW64\aqxutiqu\sjfmdcgk.exe
C:\Windows\SysWOW64\aqxutiqu\sjfmdcgk.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-03_82241fee715e83814c3be4f469b41759_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2912
- 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:2900

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\sjfmdcgk.exe

Filesize
13.2MB

MD5
960a8999cfbb9b5daa819d9e3bd44ee7

SHA1
037e6f9247a2e0377c96aba79115c2792e3acc32

SHA256
4a203aecbde2b4d30540745c677d5b965fc994456c45c0fe21840a52c5c803aa

SHA512
1ab45d70d476de360d0a943543aef4b8dbd8ada0c064a92132e07f7d4415884f014bb4b6ce2a00ae3818c083521476857601e282fe7b11a3606c3b9add6d77bb

Download Submit
memory/2536-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2536-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2536-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2536-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2536-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2536-1-0x0000000000890000-0x0000000000990000-memory.dmp

Filesize
1024KB

Download
memory/2900-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2900-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2900-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2900-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2900-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2912-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads