tofsee | 6dd7abd54fb8d4a331fca9e51b59d045b5ff3b0bd5da50eafe3e77be3e7829af

Analysis

max time kernel
148s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31/01/2025, 05:36

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General

Target

2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe
Size

10.5MB
MD5

cee37bed4dbbc6b359a589ec21fafc18
SHA1

9c201c7b568ff9804f1124c3d8aca6b06ba782a9
SHA256

6dd7abd54fb8d4a331fca9e51b59d045b5ff3b0bd5da50eafe3e77be3e7829af
SHA512

6833150a1e887358c520eeb53cb48160f88e02a3482798876033ba811bd8e3a23421304be46275ebe38d5b940d2d2b6da4c0f729fd7465b4a98ccc61fd496c40
SSDEEP

196608:ZyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX1:UXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXl

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\awcvkihr = "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
2852	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\awcvkihr\ImagePath = "C:\\Windows\\SysWOW64\\awcvkihr\\qoxyhdso.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3060	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2596	qoxyhdso.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2596 set thread context of 3060	2596	qoxyhdso.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2204	sc.exe
2856	sc.exe
2616	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	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qoxyhdso.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2740	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	30
PID 1916 wrote to memory of 2740	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	30
PID 1916 wrote to memory of 2740	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	30
PID 1916 wrote to memory of 2740	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	30
PID 1916 wrote to memory of 2788	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	32
PID 1916 wrote to memory of 2788	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	32
PID 1916 wrote to memory of 2788	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	32
PID 1916 wrote to memory of 2788	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	32
PID 1916 wrote to memory of 2204	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	34
PID 1916 wrote to memory of 2204	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	34
PID 1916 wrote to memory of 2204	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	34
PID 1916 wrote to memory of 2204	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	34
PID 1916 wrote to memory of 2856	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	36
PID 1916 wrote to memory of 2856	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	36
PID 1916 wrote to memory of 2856	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	36
PID 1916 wrote to memory of 2856	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	36
PID 1916 wrote to memory of 2616	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	38
PID 1916 wrote to memory of 2616	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	38
PID 1916 wrote to memory of 2616	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	38
PID 1916 wrote to memory of 2616	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	38
PID 1916 wrote to memory of 2852	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	40
PID 1916 wrote to memory of 2852	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	40
PID 1916 wrote to memory of 2852	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	40
PID 1916 wrote to memory of 2852	1916	2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe	40
PID 2596 wrote to memory of 3060	2596	qoxyhdso.exe	43
PID 2596 wrote to memory of 3060	2596	qoxyhdso.exe	43
PID 2596 wrote to memory of 3060	2596	qoxyhdso.exe	43
PID 2596 wrote to memory of 3060	2596	qoxyhdso.exe	43
PID 2596 wrote to memory of 3060	2596	qoxyhdso.exe	43
PID 2596 wrote to memory of 3060	2596	qoxyhdso.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\awcvkihr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qoxyhdso.exe" C:\Windows\SysWOW64\awcvkihr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create awcvkihr binPath= "C:\Windows\SysWOW64\awcvkihr\qoxyhdso.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2204
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description awcvkihr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2856
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start awcvkihr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2616
- 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:2852

C:\Windows\SysWOW64\awcvkihr\qoxyhdso.exe
C:\Windows\SysWOW64\awcvkihr\qoxyhdso.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_cee37bed4dbbc6b359a589ec21fafc18_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- 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:3060

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\qoxyhdso.exe

Filesize
13.6MB

MD5
5a3f223a62cddd7fe18273850fa2963a

SHA1
7c333872684c5b2cd0b5845870982b22e91ab3b9

SHA256
992aba5145fffa85fa52ff1eb0ce3573c93cbc0895dfc27253ea8316a14945a6

SHA512
36c2b2e71d1ef7e69d83c401ea9aa8f523a1b93566ebb81cdda943deeb84e0cae9c6abf3b8cc504b1982881615d9f23ab0ce79c63cb7fd35843e889296dab112

Download Submit
memory/1916-8-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/1916-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1916-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/1916-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1916-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1916-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1916-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2596-18-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3060-15-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/3060-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3060-13-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/3060-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/3060-19-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads