tofsee | 0d2b433856638eed525068a6bb6f84417c63edccc0067ff6e6151edbcc1240a1

Analysis

max time kernel
143s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 20:05

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General

Target

2025-02-01_3995761237124e0f137cded35908b237_mafia.exe
Size

12.8MB
MD5

3995761237124e0f137cded35908b237
SHA1

16813f1fa14675c902afe02172c5c3f60cf6d78f
SHA256

0d2b433856638eed525068a6bb6f84417c63edccc0067ff6e6151edbcc1240a1
SHA512

60c4a255036b7e6a17e218260f05fa5683d8bf5007ac086490833081ffb5f597c37fca7d0e8e9f3dee996df6313cc1c77fbecb1db512ff5ad1e0db586bcaa2c9
SSDEEP

393216:rXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXH:

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\awhgvabr = "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
2776	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\awhgvabr\ImagePath = "C:\\Windows\\SysWOW64\\awhgvabr\\pjjaluln.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2160	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2848	pjjaluln.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2848 set thread context of 2160	2848	pjjaluln.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2936	sc.exe
2312	sc.exe
2832	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_3995761237124e0f137cded35908b237_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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pjjaluln.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 3052	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	30
PID 2384 wrote to memory of 3052	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	30
PID 2384 wrote to memory of 3052	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	30
PID 2384 wrote to memory of 3052	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	30
PID 2384 wrote to memory of 2336	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	32
PID 2384 wrote to memory of 2336	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	32
PID 2384 wrote to memory of 2336	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	32
PID 2384 wrote to memory of 2336	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	32
PID 2384 wrote to memory of 2936	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	34
PID 2384 wrote to memory of 2936	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	34
PID 2384 wrote to memory of 2936	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	34
PID 2384 wrote to memory of 2936	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	34
PID 2384 wrote to memory of 2312	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	36
PID 2384 wrote to memory of 2312	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	36
PID 2384 wrote to memory of 2312	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	36
PID 2384 wrote to memory of 2312	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	36
PID 2384 wrote to memory of 2832	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	38
PID 2384 wrote to memory of 2832	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	38
PID 2384 wrote to memory of 2832	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	38
PID 2384 wrote to memory of 2832	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	38
PID 2384 wrote to memory of 2776	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	41
PID 2384 wrote to memory of 2776	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	41
PID 2384 wrote to memory of 2776	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	41
PID 2384 wrote to memory of 2776	2384	2025-02-01_3995761237124e0f137cded35908b237_mafia.exe	41
PID 2848 wrote to memory of 2160	2848	pjjaluln.exe	43
PID 2848 wrote to memory of 2160	2848	pjjaluln.exe	43
PID 2848 wrote to memory of 2160	2848	pjjaluln.exe	43
PID 2848 wrote to memory of 2160	2848	pjjaluln.exe	43
PID 2848 wrote to memory of 2160	2848	pjjaluln.exe	43
PID 2848 wrote to memory of 2160	2848	pjjaluln.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-01_3995761237124e0f137cded35908b237_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_3995761237124e0f137cded35908b237_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\awhgvabr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3052
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pjjaluln.exe" C:\Windows\SysWOW64\awhgvabr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2336
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create awhgvabr binPath= "C:\Windows\SysWOW64\awhgvabr\pjjaluln.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_3995761237124e0f137cded35908b237_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2936
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description awhgvabr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2312
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start awhgvabr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2832
- 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:2776

C:\Windows\SysWOW64\awhgvabr\pjjaluln.exe
C:\Windows\SysWOW64\awhgvabr\pjjaluln.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_3995761237124e0f137cded35908b237_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- 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:2160

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\pjjaluln.exe

Filesize
11.3MB

MD5
fe3816e724f84c5130b949202945346b

SHA1
05dcb9f961ca9ac3012e32e0c0cd8763ab67727b

SHA256
c7a53e9f0319af42fd80632cc1755d20fa05caa746c5e13ea4d96cfcff855650

SHA512
a02d0cc42588b6736550d13a2e2bdb3b36a05f68563c929ffc486f77021c4c52f041414deb622c41a627a1b974ab61c802f9a6995817b8d82f481be43041fcff

Download Submit
memory/2160-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2160-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2160-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2160-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2160-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2384-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2384-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2384-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2384-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2384-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2384-1-0x0000000000510000-0x0000000000610000-memory.dmp

Filesize
1024KB

Download
memory/2848-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads