tofsee | dab46ddfc67216319169772e99077e0adfced282d812bda13627603c267c6bed

General

Target

2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe
Size

10.9MB
MD5

e107b01518097c61cc74ebbe56304cd8
SHA1

b333ed2e73ae4ce6b52172156c1839fd6f8e3056
SHA256

dab46ddfc67216319169772e99077e0adfced282d812bda13627603c267c6bed
SHA512

38a1a06069edb4910476cde23d1de9f36a56d94b3ead3c0e9c12efda72bb63486b35112b84757bf358f61d31ac832b0dae07e5b7ed0497870f07f960aa7112ba
SSDEEP

24576:TpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttn:Voo1

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
2288	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\xysovewp\ImagePath = "C:\\Windows\\SysWOW64\\xysovewp\\bbcnijhp.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-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe

Deletes itself 1 IoCs

pid	Process
3272	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4628	bbcnijhp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4628 set thread context of 3272	4628	bbcnijhp.exe	105

Launches sc.exe 3 IoCs

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

pid	Process
4024	sc.exe
1964	sc.exe
2188	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
4432	3856	WerFault.exe	83
1668	4628	WerFault.exe	98

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	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.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	bbcnijhp.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 3856 wrote to memory of 2200	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	88
PID 3856 wrote to memory of 2200	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	88
PID 3856 wrote to memory of 2200	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	88
PID 3856 wrote to memory of 2164	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	90
PID 3856 wrote to memory of 2164	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	90
PID 3856 wrote to memory of 2164	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	90
PID 3856 wrote to memory of 2188	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	92
PID 3856 wrote to memory of 2188	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	92
PID 3856 wrote to memory of 2188	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	92
PID 3856 wrote to memory of 4024	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	94
PID 3856 wrote to memory of 4024	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	94
PID 3856 wrote to memory of 4024	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	94
PID 3856 wrote to memory of 1964	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	96
PID 3856 wrote to memory of 1964	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	96
PID 3856 wrote to memory of 1964	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	96
PID 3856 wrote to memory of 2288	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	99
PID 3856 wrote to memory of 2288	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	99
PID 3856 wrote to memory of 2288	3856	2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe	99
PID 4628 wrote to memory of 3272	4628	bbcnijhp.exe	105
PID 4628 wrote to memory of 3272	4628	bbcnijhp.exe	105
PID 4628 wrote to memory of 3272	4628	bbcnijhp.exe	105
PID 4628 wrote to memory of 3272	4628	bbcnijhp.exe	105
PID 4628 wrote to memory of 3272	4628	bbcnijhp.exe	105

C:\Users\Admin\AppData\Local\Temp\2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3856
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xysovewp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2200
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bbcnijhp.exe" C:\Windows\SysWOW64\xysovewp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2164
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xysovewp binPath= "C:\Windows\SysWOW64\xysovewp\bbcnijhp.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2188
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xysovewp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4024
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xysovewp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1964
- 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:2288
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 1028
  2⤵
  - Program crash
  PID:4432

C:\Windows\SysWOW64\xysovewp\bbcnijhp.exe
C:\Windows\SysWOW64\xysovewp\bbcnijhp.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-03_e107b01518097c61cc74ebbe56304cd8_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4628
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3272
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 512
  2⤵
  - Program crash
  PID:1668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3856 -ip 3856
1⤵
PID:3704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4628 -ip 4628
1⤵
PID:2440

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\bbcnijhp.exe

Filesize
10.0MB

MD5
b751d2a2d98c3d74c5bbc407261c7779

SHA1
411d5086750bea6e4bca027a0b123b37545ec31b

SHA256
1fdeb8d9ee7d1b791770ebe34380332d58946ee256d776576ab994d528ddcf71

SHA512
ea8cc36a128e6f9841322ee4ad4b316ea6283eb7203a65d6e597258e8bc99b31af55c8ec4f894dc159bf4ea583845c2a551d4003956695e2a611e98441432107

Download Submit
memory/3272-14-0x00000000009A0000-0x00000000009B5000-memory.dmp

Filesize
84KB

Download
memory/3272-16-0x00000000009A0000-0x00000000009B5000-memory.dmp

Filesize
84KB

Download
memory/3272-17-0x00000000009A0000-0x00000000009B5000-memory.dmp

Filesize
84KB

Download
memory/3856-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3856-2-0x00000000004A0000-0x00000000004B3000-memory.dmp

Filesize
76KB

Download
memory/3856-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3856-8-0x00000000004A0000-0x00000000004B3000-memory.dmp

Filesize
76KB

Download
memory/3856-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3856-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download
memory/4628-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4628-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4628-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4628-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads