tofsee | 18a7e2c03f3ef42f3f49633f77567e9d52126bfb9d7364d3a64cecf242279583

General

Target

2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe
Size

10.8MB
MD5

566bbb19f3c7cc564d8bc4387efba05c
SHA1

7d5c801927244a0c64a164fe66f23c2c7566bee3
SHA256

18a7e2c03f3ef42f3f49633f77567e9d52126bfb9d7364d3a64cecf242279583
SHA512

eaac74c7a2fced2ef0237b12004949391d2b55f8922b184cdd07adc71a8e4366f368f2541c91103f0d5eb6ed3823b790c41e9ae3754c51469cbf1260d9ca8d64
SSDEEP

49152:lqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:lqtYc3

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
2152	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\ompkainf\ImagePath = "C:\\Windows\\SysWOW64\\ompkainf\\easspedr.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-1-5-21-805940606-1861219160-370298170-1000\Control Panel\International\Geo\Nation	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe

Deletes itself 1 IoCs

pid	Process
2220	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1372	easspedr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1372 set thread context of 2220	1372	easspedr.exe	95

Launches sc.exe 3 IoCs

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

pid	Process
1748	sc.exe
3968	sc.exe
228	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
4084	3448	WerFault.exe	81
2784	1372	WerFault.exe	94

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	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_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	easspedr.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 3188	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	84
PID 3448 wrote to memory of 3188	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	84
PID 3448 wrote to memory of 3188	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	84
PID 3448 wrote to memory of 4640	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	86
PID 3448 wrote to memory of 4640	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	86
PID 3448 wrote to memory of 4640	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	86
PID 3448 wrote to memory of 3968	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	88
PID 3448 wrote to memory of 3968	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	88
PID 3448 wrote to memory of 3968	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	88
PID 3448 wrote to memory of 228	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	90
PID 3448 wrote to memory of 228	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	90
PID 3448 wrote to memory of 228	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	90
PID 3448 wrote to memory of 1748	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	92
PID 3448 wrote to memory of 1748	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	92
PID 3448 wrote to memory of 1748	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	92
PID 1372 wrote to memory of 2220	1372	easspedr.exe	95
PID 1372 wrote to memory of 2220	1372	easspedr.exe	95
PID 1372 wrote to memory of 2220	1372	easspedr.exe	95
PID 1372 wrote to memory of 2220	1372	easspedr.exe	95
PID 1372 wrote to memory of 2220	1372	easspedr.exe	95
PID 3448 wrote to memory of 2152	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	97
PID 3448 wrote to memory of 2152	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	97
PID 3448 wrote to memory of 2152	3448	2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe	97

C:\Users\Admin\AppData\Local\Temp\2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3448
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ompkainf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3188
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\easspedr.exe" C:\Windows\SysWOW64\ompkainf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4640
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ompkainf binPath= "C:\Windows\SysWOW64\ompkainf\easspedr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3968
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ompkainf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:228
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ompkainf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1748
- 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:2152
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 1044
  2⤵
  - Program crash
  PID:4084

C:\Windows\SysWOW64\ompkainf\easspedr.exe
C:\Windows\SysWOW64\ompkainf\easspedr.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-29_566bbb19f3c7cc564d8bc4387efba05c_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1372
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2220
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 516
  2⤵
  - Program crash
  PID:2784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3448 -ip 3448
1⤵
PID:4468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1372 -ip 1372
1⤵
PID:1116

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\easspedr.exe

Filesize
12.6MB

MD5
ff48fc93469fd21afda8be4905d3566f

SHA1
f4da635a160feabc78cd8f6963e8e1e5e8612df3

SHA256
98a46a77e84529f21356c4ffe85b4c85325df1b0199a29c890d751065c72e474

SHA512
364c15a1906655c4c14d5eec4e088f716d3dfc06e894af3bc3d6c12df7ffde5379469b0ae9992aa864028a7f86ac66950525188885674826bf7609d3b9d28a80

Download Submit
memory/1372-11-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2220-8-0x0000000000A60000-0x0000000000A75000-memory.dmp

Filesize
84KB

Download
memory/2220-14-0x0000000000A60000-0x0000000000A75000-memory.dmp

Filesize
84KB

Download
memory/2220-15-0x0000000000A60000-0x0000000000A75000-memory.dmp

Filesize
84KB

Download
memory/3448-1-0x0000000003060000-0x0000000003160000-memory.dmp

Filesize
1024KB

Download
memory/3448-2-0x0000000002FF0000-0x0000000003003000-memory.dmp

Filesize
76KB

Download
memory/3448-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3448-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3448-12-0x0000000002FF0000-0x0000000003003000-memory.dmp

Filesize
76KB

Download
memory/3448-10-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads