tofsee | 90487b300aba41f47d23d2057997fa294b15b759d97cef00a52a699fb1f86566

General

Target

2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe
Size

10.1MB
MD5

9ae14d0d2f53418758d7081b386aadae
SHA1

e3107480d5a5f0e88c44ca7b2d304abfa97d44b8
SHA256

90487b300aba41f47d23d2057997fa294b15b759d97cef00a52a699fb1f86566
SHA512

149f552406d637a32c0781d342836890df703b5acc803fc0462dc66a77173d16aed15cc2384cce68d52884c4fa0077398c204cd5396409b2b056cd72cad7a42d
SSDEEP

196608:2yXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:bXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn

Score

10^/10

tofsee discovery evasion 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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1736	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\iedwauhw\ImagePath = "C:\\Windows\\SysWOW64\\iedwauhw\\ojnfvgig.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe

Deletes itself 1 IoCs

pid	Process
4640	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1268	ojnfvgig.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1268 set thread context of 4640	1268	ojnfvgig.exe	95

Launches sc.exe 3 IoCs

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

pid	Process
4564	sc.exe
3744	sc.exe
460	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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ojnfvgig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-19_9ae14d0d2f53418758d7081b386aadae_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 4816 wrote to memory of 3168	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	82
PID 4816 wrote to memory of 3168	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	82
PID 4816 wrote to memory of 3168	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	82
PID 4816 wrote to memory of 1344	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	84
PID 4816 wrote to memory of 1344	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	84
PID 4816 wrote to memory of 1344	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	84
PID 4816 wrote to memory of 4564	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	86
PID 4816 wrote to memory of 4564	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	86
PID 4816 wrote to memory of 4564	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	86
PID 4816 wrote to memory of 3744	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	88
PID 4816 wrote to memory of 3744	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	88
PID 4816 wrote to memory of 3744	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	88
PID 4816 wrote to memory of 460	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	90
PID 4816 wrote to memory of 460	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	90
PID 4816 wrote to memory of 460	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	90
PID 4816 wrote to memory of 1736	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	93
PID 4816 wrote to memory of 1736	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	93
PID 4816 wrote to memory of 1736	4816	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	93
PID 1268 wrote to memory of 4640	1268	ojnfvgig.exe	95
PID 1268 wrote to memory of 4640	1268	ojnfvgig.exe	95
PID 1268 wrote to memory of 4640	1268	ojnfvgig.exe	95
PID 1268 wrote to memory of 4640	1268	ojnfvgig.exe	95
PID 1268 wrote to memory of 4640	1268	ojnfvgig.exe	95

C:\Users\Admin\AppData\Local\Temp\2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4816
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\iedwauhw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3168
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ojnfvgig.exe" C:\Windows\SysWOW64\iedwauhw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1344
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create iedwauhw binPath= "C:\Windows\SysWOW64\iedwauhw\ojnfvgig.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4564
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description iedwauhw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3744
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start iedwauhw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:460
- 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:1736

C:\Windows\SysWOW64\iedwauhw\ojnfvgig.exe
C:\Windows\SysWOW64\iedwauhw\ojnfvgig.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4640

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\ojnfvgig.exe

Filesize
10.1MB

MD5
9ae14d0d2f53418758d7081b386aadae

SHA1
e3107480d5a5f0e88c44ca7b2d304abfa97d44b8

SHA256
90487b300aba41f47d23d2057997fa294b15b759d97cef00a52a699fb1f86566

SHA512
149f552406d637a32c0781d342836890df703b5acc803fc0462dc66a77173d16aed15cc2384cce68d52884c4fa0077398c204cd5396409b2b056cd72cad7a42d

Download Submit
memory/1268-11-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1268-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1268-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4640-13-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/4640-19-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/4640-18-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/4640-20-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/4640-21-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/4816-8-0x00000000004A0000-0x00000000004B3000-memory.dmp

Filesize
76KB

Download
memory/4816-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4816-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4816-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4816-1-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/4816-2-0x00000000004A0000-0x00000000004B3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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