tofsee | fc232dbbb4895ab9b1ec0fe26672596bb5b4c0b2e4a172dbc30b85b8eaaacb88

Analysis

max time kernel
147s
max time network
132s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08/02/2025, 00:51

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General

Target

2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe
Size

12.9MB
MD5

3732ed8b68ce4eb8244f67ef2a4ef9f6
SHA1

f661da1cd6777b7d2ca33c2aaf3a128cd4fe2d91
SHA256

fc232dbbb4895ab9b1ec0fe26672596bb5b4c0b2e4a172dbc30b85b8eaaacb88
SHA512

6bea48a7fafd2795f3ea5b9a28da9c04144a20e5dd4d0871f9817e1556ce6c28ad60d915307de9760655f690c3da904ae2fa9a4acdcaa6bd09639ce7a200c551
SSDEEP

3072:TLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:aOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\afsqyrqu = "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
2304	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\afsqyrqu\ImagePath = "C:\\Windows\\SysWOW64\\afsqyrqu\\pysxpojf.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2688	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2224	pysxpojf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2224 set thread context of 2688	2224	pysxpojf.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2960	sc.exe
2144	sc.exe
2916	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	pysxpojf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 2880	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	29
PID 2008 wrote to memory of 2880	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	29
PID 2008 wrote to memory of 2880	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	29
PID 2008 wrote to memory of 2880	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	29
PID 2008 wrote to memory of 2424	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	31
PID 2008 wrote to memory of 2424	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	31
PID 2008 wrote to memory of 2424	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	31
PID 2008 wrote to memory of 2424	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	31
PID 2008 wrote to memory of 2916	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	33
PID 2008 wrote to memory of 2916	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	33
PID 2008 wrote to memory of 2916	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	33
PID 2008 wrote to memory of 2916	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	33
PID 2008 wrote to memory of 2960	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	35
PID 2008 wrote to memory of 2960	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	35
PID 2008 wrote to memory of 2960	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	35
PID 2008 wrote to memory of 2960	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	35
PID 2008 wrote to memory of 2144	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	37
PID 2008 wrote to memory of 2144	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	37
PID 2008 wrote to memory of 2144	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	37
PID 2008 wrote to memory of 2144	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	37
PID 2008 wrote to memory of 2304	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	40
PID 2008 wrote to memory of 2304	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	40
PID 2008 wrote to memory of 2304	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	40
PID 2008 wrote to memory of 2304	2008	2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe	40
PID 2224 wrote to memory of 2688	2224	pysxpojf.exe	42
PID 2224 wrote to memory of 2688	2224	pysxpojf.exe	42
PID 2224 wrote to memory of 2688	2224	pysxpojf.exe	42
PID 2224 wrote to memory of 2688	2224	pysxpojf.exe	42
PID 2224 wrote to memory of 2688	2224	pysxpojf.exe	42
PID 2224 wrote to memory of 2688	2224	pysxpojf.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\afsqyrqu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pysxpojf.exe" C:\Windows\SysWOW64\afsqyrqu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2424
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create afsqyrqu binPath= "C:\Windows\SysWOW64\afsqyrqu\pysxpojf.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2916
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description afsqyrqu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2960
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start afsqyrqu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2144
- 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:2304

C:\Windows\SysWOW64\afsqyrqu\pysxpojf.exe
C:\Windows\SysWOW64\afsqyrqu\pysxpojf.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_3732ed8b68ce4eb8244f67ef2a4ef9f6_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2224
- 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:2688

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\pysxpojf.exe

Filesize
12.2MB

MD5
18c28d79bb92539b0d7f1a758735c0c7

SHA1
b66feae3506810810d783add8e111fdb1a0bc262

SHA256
80663d0a83137d556f3e54a8ffa4d68852862409b416366682e657df14310256

SHA512
c1ae62d1a586316b75c125aa106ca929d793949db4cb03c4e88b4bbc6464a020f717311e44572d660a12613ebc436df905fd6e383c867fc73863456ba2249bd0

Download Submit
memory/2008-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2008-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2008-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2008-6-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download
memory/2008-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2008-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download
memory/2008-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2224-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2688-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2688-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2688-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2688-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2688-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads