tofsee | c0275dcc143dd32ff138155b06709f06db01aa6e9c67789e3eb71eda6c434592

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
22-01-2025 19:20

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General

Target

2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe
Size

11.9MB
MD5

5fc6786146b94ac898b3f92178c12f8c
SHA1

f651866837921e7f955b37e635a3fcc022f6cccd
SHA256

c0275dcc143dd32ff138155b06709f06db01aa6e9c67789e3eb71eda6c434592
SHA512

ba10b4fb2ddc346c6ccc96c40bb8c5f04e9a7411ab74e5bbaf1084352ad531ba3c03037a2b2522084516b13a78fd08f3691fd901a70a0a9071045ee66b4c242a
SSDEEP

6144:kLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQI:5TYe+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\hodpnyvz = "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
2736	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\hodpnyvz\ImagePath = "C:\\Windows\\SysWOW64\\hodpnyvz\\rqegursk.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2712	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2096	rqegursk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2096 set thread context of 2712	2096	rqegursk.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2924	sc.exe
2824	sc.exe
2660	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_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	rqegursk.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2812	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	30
PID 2808 wrote to memory of 2812	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	30
PID 2808 wrote to memory of 2812	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	30
PID 2808 wrote to memory of 2812	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	30
PID 2808 wrote to memory of 2448	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	32
PID 2808 wrote to memory of 2448	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	32
PID 2808 wrote to memory of 2448	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	32
PID 2808 wrote to memory of 2448	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	32
PID 2808 wrote to memory of 2924	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	34
PID 2808 wrote to memory of 2924	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	34
PID 2808 wrote to memory of 2924	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	34
PID 2808 wrote to memory of 2924	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	34
PID 2808 wrote to memory of 2824	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	36
PID 2808 wrote to memory of 2824	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	36
PID 2808 wrote to memory of 2824	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	36
PID 2808 wrote to memory of 2824	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	36
PID 2808 wrote to memory of 2660	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	38
PID 2808 wrote to memory of 2660	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	38
PID 2808 wrote to memory of 2660	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	38
PID 2808 wrote to memory of 2660	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	38
PID 2808 wrote to memory of 2736	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	41
PID 2808 wrote to memory of 2736	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	41
PID 2808 wrote to memory of 2736	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	41
PID 2808 wrote to memory of 2736	2808	2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe	41
PID 2096 wrote to memory of 2712	2096	rqegursk.exe	43
PID 2096 wrote to memory of 2712	2096	rqegursk.exe	43
PID 2096 wrote to memory of 2712	2096	rqegursk.exe	43
PID 2096 wrote to memory of 2712	2096	rqegursk.exe	43
PID 2096 wrote to memory of 2712	2096	rqegursk.exe	43
PID 2096 wrote to memory of 2712	2096	rqegursk.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hodpnyvz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rqegursk.exe" C:\Windows\SysWOW64\hodpnyvz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2448
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hodpnyvz binPath= "C:\Windows\SysWOW64\hodpnyvz\rqegursk.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2924
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hodpnyvz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2824
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hodpnyvz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2660
- 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:2736

C:\Windows\SysWOW64\hodpnyvz\rqegursk.exe
C:\Windows\SysWOW64\hodpnyvz\rqegursk.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-22_5fc6786146b94ac898b3f92178c12f8c_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2096
- 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:2712

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\rqegursk.exe

Filesize
13.8MB

MD5
1b0e5cd99da95edb87e1b70732a48ddc

SHA1
490e45b12f40f78bfa3140cc3c1bd104b11f9757

SHA256
68100604ce7cf4bfe3275b7426572119ff6ad31b1f78e9ded2e0c52f776cd008

SHA512
b9c0296a7f57f9fd031b6dde873446f14aff80d56fc25aea771e38833d63706786fa1dea115d74f30e6848b0a139e65efdba2523afbd615a3dccf1e404c1919d

Download Submit
memory/2096-15-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2712-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2712-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2712-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2712-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2808-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2808-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2808-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2808-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2808-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2808-1-0x0000000000640000-0x0000000000740000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads