tofsee | 6f5cadfef60d9b5e9ad27f6135b19280b0a4ffd8d07bf2f0a91314755659066b

General

Target

2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe
Size

11.3MB
MD5

857c95c3ee1e86954bfbfc7e4d871caa
SHA1

c8fcaceb46e37f229eb099064af340e1ebdda13a
SHA256

6f5cadfef60d9b5e9ad27f6135b19280b0a4ffd8d07bf2f0a91314755659066b
SHA512

ff5c7fcbfa3c4f0ad38a3dcadfd58441b2afc678a0459a876ec7a087af639bad9a02f5fd50dd07bf5b506b18ccf215017c23fd6643614ac906f2cd049793ac77
SSDEEP

12288:1Vbj7zJB99tzBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBh:1JzXd

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
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

Processes:

netsh.exe

pid process

2300 netsh.exe

pid	process
2300	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\moglybce\ImagePath = "C:\\Windows\\SysWOW64\\moglybce\\xowuezgu.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

Processes:

2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

4508 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

xowuezgu.exe

pid process

4720 xowuezgu.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

xowuezgu.exe

description pid process target process

PID 4720 set thread context of 4508 4720 xowuezgu.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

4192 sc.exe
4072 sc.exe
2156 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4508	svchost.exe

pid	process
4720	xowuezgu.exe

description	pid	process	target process
PID 4720 set thread context of 4508	4720	xowuezgu.exe	svchost.exe

pid	process
4192	sc.exe
4072	sc.exe
2156	sc.exe

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

Processes:

netsh.exe

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

Processes:

xowuezgu.exesvchost.execmd.execmd.exesc.exenetsh.exe2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exesc.exesc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xowuezgu.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exexowuezgu.exe

description	pid	process	target process
PID 5096 wrote to memory of 2940	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	cmd.exe
PID 5096 wrote to memory of 2940	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	cmd.exe
PID 5096 wrote to memory of 2940	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	cmd.exe
PID 5096 wrote to memory of 656	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	cmd.exe
PID 5096 wrote to memory of 656	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	cmd.exe
PID 5096 wrote to memory of 656	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	cmd.exe
PID 5096 wrote to memory of 4192	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	sc.exe
PID 5096 wrote to memory of 4192	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	sc.exe
PID 5096 wrote to memory of 4192	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	sc.exe
PID 5096 wrote to memory of 4072	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	sc.exe
PID 5096 wrote to memory of 4072	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	sc.exe
PID 5096 wrote to memory of 4072	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	sc.exe
PID 5096 wrote to memory of 2156	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	sc.exe
PID 5096 wrote to memory of 2156	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	sc.exe
PID 5096 wrote to memory of 2156	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	sc.exe
PID 5096 wrote to memory of 2300	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	netsh.exe
PID 5096 wrote to memory of 2300	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	netsh.exe
PID 5096 wrote to memory of 2300	5096	2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe	netsh.exe
PID 4720 wrote to memory of 4508	4720	xowuezgu.exe	svchost.exe
PID 4720 wrote to memory of 4508	4720	xowuezgu.exe	svchost.exe
PID 4720 wrote to memory of 4508	4720	xowuezgu.exe	svchost.exe
PID 4720 wrote to memory of 4508	4720	xowuezgu.exe	svchost.exe
PID 4720 wrote to memory of 4508	4720	xowuezgu.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5096
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\moglybce\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xowuezgu.exe" C:\Windows\SysWOW64\moglybce\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:656
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create moglybce binPath= "C:\Windows\SysWOW64\moglybce\xowuezgu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4192
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description moglybce "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4072
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start moglybce
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2156
- 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:2300

C:\Windows\SysWOW64\moglybce\xowuezgu.exe
C:\Windows\SysWOW64\moglybce\xowuezgu.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-09-21_857c95c3ee1e86954bfbfc7e4d871caa_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4508

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\xowuezgu.exe

Filesize
14.5MB

MD5
3e53b8f0b439fa5dcce54a0a159b8c04

SHA1
d5e7428e0efe7b2bea11a07017368091839ff45e

SHA256
10cb8af8fea257d70327cd4117d26deb3f21253727fdbcb8cfb4cc812a493faa

SHA512
6f1bcb00133e1011f65e1b2bba0a25b51fcd82f4af403c8f566992e4efa7753b0cc64c825bff5b8983ad53b7ff62a16a160295f16c0eba548f9ad20d334cf83c

Download Submit
memory/4508-14-0x00000000009B0000-0x00000000009C5000-memory.dmp

Filesize
84KB

Download
memory/4508-19-0x00000000009B0000-0x00000000009C5000-memory.dmp

Filesize
84KB

Download
memory/4508-18-0x00000000009B0000-0x00000000009C5000-memory.dmp

Filesize
84KB

Download
memory/4720-13-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4720-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4720-11-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4720-16-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/5096-8-0x0000000000610000-0x0000000000623000-memory.dmp

Filesize
76KB

Download
memory/5096-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/5096-1-0x00000000006D0000-0x00000000007D0000-memory.dmp

Filesize
1024KB

Download
memory/5096-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5096-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5096-2-0x0000000000610000-0x0000000000623000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads