tofsee | 0ce392328843e7bcae98d1f5b4119f756f04e37d23d51f4af257d19915924264

General

Target

2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe
Size

12.1MB
MD5

9cc55c14f3f8b827be600f06294a28ae
SHA1

95cac66b7d32e4bbac545b42ab0b4a1e3d5bf0b6
SHA256

7f4bf16cfb9771a3158632ca4deb1af275cdb5b52c807f6bfa5176f9cfaf2475
SHA512

e0fef214e744710204e3e9897d83cdde34bc70953726975e6223b49ffa8638e66ebe48b7082d9d82b4f6b5972cbc49824f575fac89f1a4b7e88b451cab4382bd
SSDEEP

49152:pLFuiE888888888888888888888888888888888888888888888888888888888x:pLMQ

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

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
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
4728	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\kdzkkhkz\ImagePath = "C:\\Windows\\SysWOW64\\kdzkkhkz\\egbhanx.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Control Panel\International\Geo\Nation	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe

Deletes itself 1 IoCs

pid	Process
4840	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4992	egbhanx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4992 set thread context of 4840	4992	egbhanx.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
2772	sc.exe
3780	sc.exe
4816	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	egbhanx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 1792	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	87
PID 2252 wrote to memory of 1792	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	87
PID 2252 wrote to memory of 1792	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	87
PID 2252 wrote to memory of 5028	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	89
PID 2252 wrote to memory of 5028	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	89
PID 2252 wrote to memory of 5028	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	89
PID 2252 wrote to memory of 2772	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	91
PID 2252 wrote to memory of 2772	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	91
PID 2252 wrote to memory of 2772	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	91
PID 2252 wrote to memory of 3780	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	95
PID 2252 wrote to memory of 3780	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	95
PID 2252 wrote to memory of 3780	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	95
PID 2252 wrote to memory of 4816	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	98
PID 2252 wrote to memory of 4816	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	98
PID 2252 wrote to memory of 4816	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	98
PID 4992 wrote to memory of 4840	4992	egbhanx.exe	102
PID 4992 wrote to memory of 4840	4992	egbhanx.exe	102
PID 4992 wrote to memory of 4840	4992	egbhanx.exe	102
PID 4992 wrote to memory of 4840	4992	egbhanx.exe	102
PID 4992 wrote to memory of 4840	4992	egbhanx.exe	102
PID 2252 wrote to memory of 4728	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	103
PID 2252 wrote to memory of 4728	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	103
PID 2252 wrote to memory of 4728	2252	2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe	103

C:\Users\Admin\AppData\Local\Temp\2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kdzkkhkz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\egbhanx.exe" C:\Windows\SysWOW64\kdzkkhkz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5028
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kdzkkhkz binPath= "C:\Windows\SysWOW64\kdzkkhkz\egbhanx.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2772
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kdzkkhkz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3780
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kdzkkhkz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4816
- 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:4728

C:\Windows\SysWOW64\kdzkkhkz\egbhanx.exe
C:\Windows\SysWOW64\kdzkkhkz\egbhanx.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-05_9cc55c14f3f8b827be600f06294a28ae_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4992
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4840

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
12.1MB

MD5
1a1b8ddf49f231361424feae64a3f305

SHA1
6c2738acb9be91d4ec218196e9b957b9d359ca0e

SHA256
d362a4e2720298047f6f2151acf371e148eb0cacdc47b4a656107836ec565cff

SHA512
c457f47a4100cc0d4272959fe5f6dd411c86ed418b18c2d676421868de1a0162b3d425831eb299195e0cc30e8ebf1b3520b194c414e947dae806575a1de1e097

Download Submit
memory/2252-1-0x0000000002EB0000-0x0000000002FB0000-memory.dmp

Filesize
1024KB

Download
memory/2252-2-0x0000000002E00000-0x0000000002E13000-memory.dmp

Filesize
76KB

Download
memory/2252-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2252-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2252-12-0x0000000002E00000-0x0000000002E13000-memory.dmp

Filesize
76KB

Download
memory/2252-11-0x0000000000400000-0x0000000002DBF000-memory.dmp

Filesize
41.7MB

Download
memory/4840-8-0x00000000003D0000-0x00000000003E5000-memory.dmp

Filesize
84KB

Download
memory/4840-14-0x00000000003D0000-0x00000000003E5000-memory.dmp

Filesize
84KB

Download
memory/4840-15-0x00000000003D0000-0x00000000003E5000-memory.dmp

Filesize
84KB

Download
memory/4992-10-0x0000000000400000-0x0000000002DBF000-memory.dmp

Filesize
41.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads