tofsee | 48cd6c50ceff5d85c03b03b9864b6631983bf8b5a0b2a599857b924aad773da0

Analysis

max time kernel
146s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 17:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe
Size

13.6MB
MD5

a60ac9f9f8401b075313d1ea5ed38a3d
SHA1

a399ae72488052b9a5b629b0bc9d5c47e4b503e3
SHA256

48cd6c50ceff5d85c03b03b9864b6631983bf8b5a0b2a599857b924aad773da0
SHA512

33dbb5926885e65db4ba08ecd4595f945e77062ab3932d4a58a2b53ca07391c2256a3d5a3349deb76d45bedee7800a3e1160f60893b5baa9aa99812167a3871a
SSDEEP

24576:C6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ3:LWdLQk

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\efpxjoxu = "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
2844	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\efpxjoxu\ImagePath = "C:\\Windows\\SysWOW64\\efpxjoxu\\kpzuoaxz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2584	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2876	kpzuoaxz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2876 set thread context of 2584	2876	kpzuoaxz.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
1796	sc.exe
2688	sc.exe
2872	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	kpzuoaxz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_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	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 1264	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	30
PID 3036 wrote to memory of 1264	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	30
PID 3036 wrote to memory of 1264	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	30
PID 3036 wrote to memory of 1264	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	30
PID 3036 wrote to memory of 2120	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	32
PID 3036 wrote to memory of 2120	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	32
PID 3036 wrote to memory of 2120	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	32
PID 3036 wrote to memory of 2120	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	32
PID 3036 wrote to memory of 1796	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	34
PID 3036 wrote to memory of 1796	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	34
PID 3036 wrote to memory of 1796	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	34
PID 3036 wrote to memory of 1796	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	34
PID 3036 wrote to memory of 2688	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	36
PID 3036 wrote to memory of 2688	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	36
PID 3036 wrote to memory of 2688	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	36
PID 3036 wrote to memory of 2688	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	36
PID 3036 wrote to memory of 2872	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	38
PID 3036 wrote to memory of 2872	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	38
PID 3036 wrote to memory of 2872	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	38
PID 3036 wrote to memory of 2872	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	38
PID 2876 wrote to memory of 2584	2876	kpzuoaxz.exe	41
PID 2876 wrote to memory of 2584	2876	kpzuoaxz.exe	41
PID 2876 wrote to memory of 2584	2876	kpzuoaxz.exe	41
PID 2876 wrote to memory of 2584	2876	kpzuoaxz.exe	41
PID 2876 wrote to memory of 2584	2876	kpzuoaxz.exe	41
PID 2876 wrote to memory of 2584	2876	kpzuoaxz.exe	41
PID 3036 wrote to memory of 2844	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	42
PID 3036 wrote to memory of 2844	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	42
PID 3036 wrote to memory of 2844	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	42
PID 3036 wrote to memory of 2844	3036	2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_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\efpxjoxu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1264
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kpzuoaxz.exe" C:\Windows\SysWOW64\efpxjoxu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2120
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create efpxjoxu binPath= "C:\Windows\SysWOW64\efpxjoxu\kpzuoaxz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1796
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description efpxjoxu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start efpxjoxu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2872
- 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:2844

C:\Windows\SysWOW64\efpxjoxu\kpzuoaxz.exe
C:\Windows\SysWOW64\efpxjoxu\kpzuoaxz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2876
- 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:2584

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\kpzuoaxz.exe

Filesize
11.2MB

MD5
aa49df99f2aef92588f082ec241adf57

SHA1
1b08ce6766d8cf23dab250088e1970357f6e8a5b

SHA256
e26ed971445618fec9376e0ccd6a74a50686fb576719ed5a5f61131c064e9655

SHA512
53e16dd3487d4d2ff8478171860a6c84da6ffda3a6934332e1cd1a55f9c39a2840c2fdb3d3c04ee219338760cd1789a50d41431f026361137f61ec97b4e4c960

Download Submit
memory/2584-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2584-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2584-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2584-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2584-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2876-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

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

Filesize
84KB

Download
memory/3036-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/3036-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/3036-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3036-15-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/3036-14-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads