tofsee | 9e453cbcf29c18a265e86dd4ba1f615acee786b00c1ad7209c583b7c39e34b58

Analysis

max time kernel
145s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-01-2025 20:07

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General

Target

2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe
Size

14.5MB
MD5

07a0ffd3d5a3c8615f5beae4d5de6d3d
SHA1

7791ee6b4251b2ea873bdfb759380191890211f1
SHA256

9e453cbcf29c18a265e86dd4ba1f615acee786b00c1ad7209c583b7c39e34b58
SHA512

b48d05437b1de7c2007fc491b62210c1a1336cf74c5a80b2b38dfd54c15f3e2e3eb6d5adc944212ded88e74825eafc387fe985469e0d9a882ae6b1567b5f8f26
SSDEEP

6144:HLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQN:sTYe+D2jFu+iZoUFhAz

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\unozrop = "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\unozrop\ImagePath = "C:\\Windows\\SysWOW64\\unozrop\\bdwhowka.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2728	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2812	bdwhowka.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2812 set thread context of 2728	2812	bdwhowka.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2320	sc.exe
2096	sc.exe
2336	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	sc.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	bdwhowka.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2532	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	30
PID 2072 wrote to memory of 2532	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	30
PID 2072 wrote to memory of 2532	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	30
PID 2072 wrote to memory of 2532	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	30
PID 2072 wrote to memory of 2364	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	32
PID 2072 wrote to memory of 2364	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	32
PID 2072 wrote to memory of 2364	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	32
PID 2072 wrote to memory of 2364	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	32
PID 2072 wrote to memory of 2320	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	34
PID 2072 wrote to memory of 2320	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	34
PID 2072 wrote to memory of 2320	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	34
PID 2072 wrote to memory of 2320	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	34
PID 2072 wrote to memory of 2096	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	36
PID 2072 wrote to memory of 2096	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	36
PID 2072 wrote to memory of 2096	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	36
PID 2072 wrote to memory of 2096	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	36
PID 2072 wrote to memory of 2336	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	38
PID 2072 wrote to memory of 2336	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	38
PID 2072 wrote to memory of 2336	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	38
PID 2072 wrote to memory of 2336	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	38
PID 2812 wrote to memory of 2728	2812	bdwhowka.exe	42
PID 2812 wrote to memory of 2728	2812	bdwhowka.exe	42
PID 2812 wrote to memory of 2728	2812	bdwhowka.exe	42
PID 2812 wrote to memory of 2728	2812	bdwhowka.exe	42
PID 2072 wrote to memory of 2752	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	41
PID 2072 wrote to memory of 2752	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	41
PID 2072 wrote to memory of 2752	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	41
PID 2072 wrote to memory of 2752	2072	2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe	41
PID 2812 wrote to memory of 2728	2812	bdwhowka.exe	42
PID 2812 wrote to memory of 2728	2812	bdwhowka.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\unozrop\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bdwhowka.exe" C:\Windows\SysWOW64\unozrop\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2364
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create unozrop binPath= "C:\Windows\SysWOW64\unozrop\bdwhowka.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2320
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description unozrop "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2096
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start unozrop
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2336
- 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\unozrop\bdwhowka.exe
C:\Windows\SysWOW64\unozrop\bdwhowka.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2812
- 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:2728

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\bdwhowka.exe

Filesize
11.8MB

MD5
9a29de8ea0e16bea7a1ebbd2d7157824

SHA1
bafc8ba30f260e6d074bfb3d92eb69efbaba15af

SHA256
252257c8394b3407b3383a6b474127880261852c9d7fbbcf89c2c202c51c4972

SHA512
0ceb47c68e61915307f0682d02fc41b4a55bda32b17aa33993369247441b4296d13ea6ed95e9fbf56c03c0ec6fe7d33dfeb8d3b72b8997b8db0e5791709f3eed

Download Submit
memory/2072-15-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2072-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2072-1-0x0000000000650000-0x0000000000750000-memory.dmp

Filesize
1024KB

Download
memory/2072-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2072-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2072-13-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2728-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2728-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-9-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2728-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2728-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2812-14-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads