tofsee | 71c8fa2e70bca29e60ee2f1dfcf36248aee5b23025b4aec2ecb20e5954a434d7

General

Target

2025-01-29_d843097807b69f23d9e9b92c78a6aef6_mafia.exe
Size

12.7MB
MD5

d843097807b69f23d9e9b92c78a6aef6
SHA1

b169759391428e792bf917b88eac0d08a96a2e0d
SHA256

71c8fa2e70bca29e60ee2f1dfcf36248aee5b23025b4aec2ecb20e5954a434d7
SHA512

76fd4d1f5fb81d17e25ae675b29c5f947ab87c6a26250e29ec07bb821ea0310b7ed1d98d90e56da95968aef0fb821aa9632391d1d33ba05c1823331eaa8d0674
SSDEEP

3072:4LBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:1OMdRQr7OB0ypmMXnl8XEPM3noSWOC

Score

10^/10

tofsee defense_evasion discovery execution persistence 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
4192	netsh.exe

Launches sc.exe 3 IoCs

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

pid	Process
4580	sc.exe
4160	sc.exe
4776	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3188	3724	WerFault.exe	81
4024	2116	WerFault.exe	95

System Location Discovery: System Language Discovery 1 TTPs 1 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_d843097807b69f23d9e9b92c78a6aef6_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-29_d843097807b69f23d9e9b92c78a6aef6_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-29_d843097807b69f23d9e9b92c78a6aef6_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3724
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wiklzxek\
  2⤵
  PID:3520
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xfuyljss.exe" C:\Windows\SysWOW64\wiklzxek\
  2⤵
  PID:4464
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wiklzxek binPath= "C:\Windows\SysWOW64\wiklzxek\xfuyljss.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-29_d843097807b69f23d9e9b92c78a6aef6_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:4776
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wiklzxek "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:4580
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wiklzxek
  2⤵
  - Launches sc.exe
  PID:4160
- 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
  PID:4192
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3724 -s 1040
  2⤵
  - Program crash
  PID:3188

C:\Windows\SysWOW64\wiklzxek\xfuyljss.exe
C:\Windows\SysWOW64\wiklzxek\xfuyljss.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-29_d843097807b69f23d9e9b92c78a6aef6_mafia.exe"
1⤵
PID:2116
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:5044
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 508
  2⤵
  - Program crash
  PID:4024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 3724 -ip 3724
1⤵
PID:4256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2116 -ip 2116
1⤵
PID:2404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\xfuyljss.exe

Filesize
707KB

MD5
b2013aa86c08c8bca1667cf56046dd69

SHA1
fbefa8eb75caabc66e061b75f18a6e66f7ffb45b

SHA256
9059e00da0dba4bef89575a1b2f58a63ebabd387a218ac646896d1c503a7e62e

SHA512
ef2c6d81408b75ea47fbc447e97cda4f7c346d1012bd552521ef13665efca3acb8963a151e988253ddf76a9dc4eeb5077af677862d3e075fc6ce101ea251cd3d

Download Submit
C:\Windows\SysWOW64\wiklzxek\xfuyljss.exe

Filesize
682KB

MD5
87f7ba8eceedd6109a254cbbb194d9cc

SHA1
fccf7d9b7cd6751a6ab401f5b5f5768ee8cde9fe

SHA256
7c0b9ac8ac926e526616af6e735cabc89a4b611be13554f9d1028bafb5261405

SHA512
75e359de68e263d5d61b50284244ce4639869395cb062f63ba7a98f06406fda7baf39a8861ab139b4b705bcfc31e9588be9c24257c4cc62ddf7a803663e785a7

Download Submit
memory/2116-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2116-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2116-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2116-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3724-2-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/3724-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3724-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3724-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3724-8-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/3724-1-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/5044-17-0x00000000012D0000-0x00000000012E5000-memory.dmp

Filesize
84KB

Download
memory/5044-16-0x00000000012D0000-0x00000000012E5000-memory.dmp

Filesize
84KB

Download
memory/5044-14-0x00000000012D0000-0x00000000012E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads