tofsee | 67cb0723c98ca1bd4c970326204405284d13a059a52bd99f425d69e41db7df3e

Analysis

max time kernel
144s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 20:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe
Size

11.6MB
MD5

eec8aeb6f7e80453af273d0a3a2e5801
SHA1

7e2f1a2073fb3f457bfbfb719427bc74c103b5f3
SHA256

67cb0723c98ca1bd4c970326204405284d13a059a52bd99f425d69e41db7df3e
SHA512

9b6487ee0c4fbd752f3c2ce63ab50361731df39bd2390d2d177ecd6d843217a54831c8ccc7904d96c1412efce25254537518fb2fb71416501811edc7964a883c
SSDEEP

6144:xLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ4:STYe+D2jFu+iZoUFhAz

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\uihwbbrm = "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
2988	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\uihwbbrm\ImagePath = "C:\\Windows\\SysWOW64\\uihwbbrm\\bgqlfroq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2824	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2980	bgqlfroq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2980 set thread context of 2824	2980	bgqlfroq.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2264	sc.exe
2484	sc.exe
2828	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bgqlfroq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2396	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	30
PID 3036 wrote to memory of 2396	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	30
PID 3036 wrote to memory of 2396	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	30
PID 3036 wrote to memory of 2396	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	30
PID 3036 wrote to memory of 640	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	32
PID 3036 wrote to memory of 640	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	32
PID 3036 wrote to memory of 640	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	32
PID 3036 wrote to memory of 640	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	32
PID 3036 wrote to memory of 2264	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	34
PID 3036 wrote to memory of 2264	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	34
PID 3036 wrote to memory of 2264	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	34
PID 3036 wrote to memory of 2264	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	34
PID 3036 wrote to memory of 2484	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	36
PID 3036 wrote to memory of 2484	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	36
PID 3036 wrote to memory of 2484	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	36
PID 3036 wrote to memory of 2484	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	36
PID 3036 wrote to memory of 2828	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	38
PID 3036 wrote to memory of 2828	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	38
PID 3036 wrote to memory of 2828	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	38
PID 3036 wrote to memory of 2828	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	38
PID 3036 wrote to memory of 2988	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	41
PID 3036 wrote to memory of 2988	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	41
PID 3036 wrote to memory of 2988	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	41
PID 3036 wrote to memory of 2988	3036	2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe	41
PID 2980 wrote to memory of 2824	2980	bgqlfroq.exe	43
PID 2980 wrote to memory of 2824	2980	bgqlfroq.exe	43
PID 2980 wrote to memory of 2824	2980	bgqlfroq.exe	43
PID 2980 wrote to memory of 2824	2980	bgqlfroq.exe	43
PID 2980 wrote to memory of 2824	2980	bgqlfroq.exe	43
PID 2980 wrote to memory of 2824	2980	bgqlfroq.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uihwbbrm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2396
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bgqlfroq.exe" C:\Windows\SysWOW64\uihwbbrm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:640
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uihwbbrm binPath= "C:\Windows\SysWOW64\uihwbbrm\bgqlfroq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2264
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uihwbbrm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2484
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uihwbbrm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2828
- 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:2988

C:\Windows\SysWOW64\uihwbbrm\bgqlfroq.exe
C:\Windows\SysWOW64\uihwbbrm\bgqlfroq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_eec8aeb6f7e80453af273d0a3a2e5801_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2980
- 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:2824

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\bgqlfroq.exe

Filesize
10.8MB

MD5
fc77aad7f1e1a0cc3f54ddb87015f8ee

SHA1
12ab635e20f0cf2b281dbb754c0e1275899abe5b

SHA256
2b53a5163c379da9c7991b1b90f2c1ddb5c90775cba0e1a5ca31e731237ce432

SHA512
2a83deb4e822d1314e8948dfc69f8b6667408927f1c559b876a34f23ef541d7a014d7d62035afcb4b1b8a96ca67c9ee7a680f4e8d5a7f983aba9672b17bcb0a9

Download Submit
memory/2824-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2824-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2824-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2824-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2980-15-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3036-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3036-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3036-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3036-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3036-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3036-1-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads