tofsee | a7487a3d8d60ef88ef6c8ba1b5b49d453564fc1079c2c5cf8536b6582b5b12f9

Analysis

max time kernel
140s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2025, 18:43

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General

Target
2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe
Size 11.5MB
Sample250126-xdarjszjct
SHA256 a7487a3d8d60ef88ef6c8ba1b5b49d453564fc1079c2c5cf8536b6582b5b12f9
MD5 a9c3ea43e06977ad555eb78862b88c6f
SHA1 708c3d914d5451c0de012dc4278fdce821b7ddc9
SHA512 d668c2bd9caf218997c00de69b1e0d264db188d121f5e1cd5d1770498d267335444c12298c3b3c183c9148b85ac1d163dd4be7b0852349707f44f8de1dbd7ba3
SSDEEP 6144:jLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQw:YTYe+D2jFu+iZoUFhAz
MD5 SHA1 SHA512 SSDEEP

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
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
4212	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\hruwpwub\ImagePath = "C:\\Windows\\SysWOW64\\hruwpwub\\orxrgrci.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe

Deletes itself 1 IoCs

pid	Process
2296	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1252	orxrgrci.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1252 set thread context of 2296	1252	orxrgrci.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
2604	sc.exe
4912	sc.exe
4868	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2152	1252	WerFault.exe	93
4272	2384	WerFault.exe	82

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	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_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	svchost.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	orxrgrci.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 1316	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	83
PID 2384 wrote to memory of 1316	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	83
PID 2384 wrote to memory of 1316	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	83
PID 2384 wrote to memory of 2248	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	85
PID 2384 wrote to memory of 2248	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	85
PID 2384 wrote to memory of 2248	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	85
PID 2384 wrote to memory of 2604	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	87
PID 2384 wrote to memory of 2604	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	87
PID 2384 wrote to memory of 2604	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	87
PID 2384 wrote to memory of 4912	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	89
PID 2384 wrote to memory of 4912	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	89
PID 2384 wrote to memory of 4912	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	89
PID 2384 wrote to memory of 4868	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	91
PID 2384 wrote to memory of 4868	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	91
PID 2384 wrote to memory of 4868	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	91
PID 2384 wrote to memory of 4212	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	94
PID 2384 wrote to memory of 4212	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	94
PID 2384 wrote to memory of 4212	2384	2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe	94
PID 1252 wrote to memory of 2296	1252	orxrgrci.exe	98
PID 1252 wrote to memory of 2296	1252	orxrgrci.exe	98
PID 1252 wrote to memory of 2296	1252	orxrgrci.exe	98
PID 1252 wrote to memory of 2296	1252	orxrgrci.exe	98
PID 1252 wrote to memory of 2296	1252	orxrgrci.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hruwpwub\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\orxrgrci.exe" C:\Windows\SysWOW64\hruwpwub\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2248
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hruwpwub binPath= "C:\Windows\SysWOW64\hruwpwub\orxrgrci.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2604
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hruwpwub "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4912
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hruwpwub
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4868
- 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:4212
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 788
  2⤵
  - Program crash
  PID:4272

C:\Windows\SysWOW64\hruwpwub\orxrgrci.exe
C:\Windows\SysWOW64\hruwpwub\orxrgrci.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-26_a9c3ea43e06977ad555eb78862b88c6f_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2296
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 516
  2⤵
  - Program crash
  PID:2152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2384 -ip 2384
1⤵
PID:3068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1252 -ip 1252
1⤵
PID:1332

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

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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

orxrgrci.exe

Path C:\Users\Admin\AppData\Local\Temp\orxrgrci.exe
Size 12.6MB
SHA256 97be0b5c6228f28b1c7461059122d6d52aff8e8b0590c78a636bf0e782d2cbc9
MD5 f84f3a4aaeb39318d3b5157cd568a6ad
SHA1 459b1f865aec93569f0894f437d7cf2f5411fdcf
SHA512 94a845589347564ece977d62b68fcbf725b657b77425d22203e970ac075088c411133b7798b3de9a92e840d05a192ca820351d938708a5e3fac2eaa57d0bc902
SSDEEP 6144:QLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ:FTYe+D2jFu+iZoUFhAz
MD5 SHA1 SHA512 SSDEEP

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memory/1252-8-0x0000000000400000-0x00000000004C1000-memory.dmp

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memory/1252-10-0x0000000000400000-0x00000000004C1000-memory.dmp

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memory/1252-13-0x0000000000400000-0x00000000004C1000-memory.dmp

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memory/2296-14-0x0000000000E50000-0x0000000000E65000-memory.dmp

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memory/2296-9-0x0000000000E50000-0x0000000000E65000-memory.dmp

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memory/2296-19-0x0000000000E50000-0x0000000000E65000-memory.dmp

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memory/2296-20-0x0000000000E50000-0x0000000000E65000-memory.dmp

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memory/2296-21-0x0000000000E50000-0x0000000000E65000-memory.dmp

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memory/2384-1-0x00000000007A0000-0x00000000008A0000-memory.dmp

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memory/2384-3-0x0000000000400000-0x0000000000415000-memory.dmp

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memory/2384-2-0x00000000005E0000-0x00000000005F3000-memory.dmp

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memory/2384-16-0x0000000000400000-0x00000000004C1000-memory.dmp

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memory/2384-18-0x00000000005E0000-0x00000000005F3000-memory.dmp

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memory/2384-17-0x0000000000400000-0x0000000000415000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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