tofsee | fc32a308c760d0d4be5240f37b3097fdb19020be48ca74d35d486dd162c32c6e

General

Target

2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe
Size

13.9MB
MD5

26c8894b5154f12ecac0f420d6aaf04d
SHA1

0106252e884d6fe1d9fb36f3fa0562ac8b4d7c44
SHA256

fc32a308c760d0d4be5240f37b3097fdb19020be48ca74d35d486dd162c32c6e
SHA512

1d040702d0a7f604054c14f25ab3c558968513e085c2b9e529b097ff2d17dbd7b66f9e14f6caf0cb7deb6b880096c91575c641293a972c669c66b9f31cc8e552
SSDEEP

24576:UpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttf:goo

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
2892	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\tpmltjeo\ImagePath = "C:\\Windows\\SysWOW64\\tpmltjeo\\mdljtovj.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-1-5-21-3625106387-4207083342-115176794-1000\Control Panel\International\Geo\Nation	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe

Deletes itself 1 IoCs

pid	Process
4800	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1328	mdljtovj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1328 set thread context of 4800	1328	mdljtovj.exe	107

Launches sc.exe 3 IoCs

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

pid	Process
4784	sc.exe
4372	sc.exe
1184	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3520	1548	WerFault.exe	85
2968	1328	WerFault.exe	97

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	netsh.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mdljtovj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 2412	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	87
PID 1548 wrote to memory of 2412	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	87
PID 1548 wrote to memory of 2412	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	87
PID 1548 wrote to memory of 4916	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	89
PID 1548 wrote to memory of 4916	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	89
PID 1548 wrote to memory of 4916	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	89
PID 1548 wrote to memory of 4784	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	91
PID 1548 wrote to memory of 4784	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	91
PID 1548 wrote to memory of 4784	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	91
PID 1548 wrote to memory of 4372	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	93
PID 1548 wrote to memory of 4372	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	93
PID 1548 wrote to memory of 4372	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	93
PID 1548 wrote to memory of 1184	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	95
PID 1548 wrote to memory of 1184	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	95
PID 1548 wrote to memory of 1184	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	95
PID 1548 wrote to memory of 2892	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	98
PID 1548 wrote to memory of 2892	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	98
PID 1548 wrote to memory of 2892	1548	2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe	98
PID 1328 wrote to memory of 4800	1328	mdljtovj.exe	107
PID 1328 wrote to memory of 4800	1328	mdljtovj.exe	107
PID 1328 wrote to memory of 4800	1328	mdljtovj.exe	107
PID 1328 wrote to memory of 4800	1328	mdljtovj.exe	107
PID 1328 wrote to memory of 4800	1328	mdljtovj.exe	107

C:\Users\Admin\AppData\Local\Temp\2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tpmltjeo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2412
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mdljtovj.exe" C:\Windows\SysWOW64\tpmltjeo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4916
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tpmltjeo binPath= "C:\Windows\SysWOW64\tpmltjeo\mdljtovj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4784
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tpmltjeo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4372
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tpmltjeo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1184
- 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:2892
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 592
  2⤵
  - Program crash
  PID:3520

C:\Windows\SysWOW64\tpmltjeo\mdljtovj.exe
C:\Windows\SysWOW64\tpmltjeo\mdljtovj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_26c8894b5154f12ecac0f420d6aaf04d_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1328
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4800
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1328 -s 552
  2⤵
  - Program crash
  PID:2968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1548 -ip 1548
1⤵
PID:4952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1328 -ip 1328
1⤵
PID:4780

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\mdljtovj.exe

Filesize
11.6MB

MD5
21eed33cbf5418856539382a0cb638cc

SHA1
58e13b8fa8c5ba6645ccab33350841d57aaef7a8

SHA256
29da0d5dbff2da1df380f058dfbdb2f3f27c05d289bd25a338fda5d0c5a92fd3

SHA512
83d0f8eeaa8d27bd23b7026373af3cc7213a1caae6300aee156fcf521129d8bd7757d32b8aaf7ac3831d84287da392ad29b47bf0d9fd01426c9311756d31936a

Download Submit
memory/1328-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1328-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1328-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1328-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1548-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1548-2-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/1548-8-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/1548-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1548-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1548-1-0x00000000006F0000-0x00000000007F0000-memory.dmp

Filesize
1024KB

Download
memory/4800-16-0x0000000000D60000-0x0000000000D75000-memory.dmp

Filesize
84KB

Download
memory/4800-17-0x0000000000D60000-0x0000000000D75000-memory.dmp

Filesize
84KB

Download
memory/4800-14-0x0000000000D60000-0x0000000000D75000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads