tofsee | 1871a038c5133bcba2db205e78240a9014d9df40425007c77df9be913b70d851

General

Target

2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe
Size

13.4MB
MD5

dbf282e8f2699b7b683a7c7f900d3224
SHA1

d06c54d9024c6a280684819ff347b96f9dd3f7d2
SHA256

1871a038c5133bcba2db205e78240a9014d9df40425007c77df9be913b70d851
SHA512

f0209aa921f52fa413d4dd4e60a9b50af094489f957486ecaddfcbfc41d48b371163fcbcf52474cfe56280b8d5a82e06b0ed96ba7040e83945498d8c5619c2cb
SSDEEP

196608:v3aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaai:v

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
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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2312	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\jctxbxgc\ImagePath = "C:\\Windows\\SysWOW64\\jctxbxgc\\jdfcwsch.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe

Deletes itself 1 IoCs

pid	Process
4632	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
376	jdfcwsch.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 376 set thread context of 4632	376	jdfcwsch.exe	104

Launches sc.exe 3 IoCs

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

pid	Process
3228	sc.exe
4808	sc.exe
4600	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

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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jdfcwsch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_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	svchost.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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 4976	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	87
PID 4004 wrote to memory of 4976	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	87
PID 4004 wrote to memory of 4976	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	87
PID 4004 wrote to memory of 3760	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	89
PID 4004 wrote to memory of 3760	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	89
PID 4004 wrote to memory of 3760	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	89
PID 4004 wrote to memory of 3228	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	91
PID 4004 wrote to memory of 3228	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	91
PID 4004 wrote to memory of 3228	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	91
PID 4004 wrote to memory of 4808	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	95
PID 4004 wrote to memory of 4808	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	95
PID 4004 wrote to memory of 4808	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	95
PID 4004 wrote to memory of 4600	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	97
PID 4004 wrote to memory of 4600	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	97
PID 4004 wrote to memory of 4600	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	97
PID 4004 wrote to memory of 2312	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	101
PID 4004 wrote to memory of 2312	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	101
PID 4004 wrote to memory of 2312	4004	2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe	101
PID 376 wrote to memory of 4632	376	jdfcwsch.exe	104
PID 376 wrote to memory of 4632	376	jdfcwsch.exe	104
PID 376 wrote to memory of 4632	376	jdfcwsch.exe	104
PID 376 wrote to memory of 4632	376	jdfcwsch.exe	104
PID 376 wrote to memory of 4632	376	jdfcwsch.exe	104

C:\Users\Admin\AppData\Local\Temp\2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4004
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jctxbxgc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4976
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jdfcwsch.exe" C:\Windows\SysWOW64\jctxbxgc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3760
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jctxbxgc binPath= "C:\Windows\SysWOW64\jctxbxgc\jdfcwsch.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3228
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jctxbxgc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4808
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jctxbxgc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4600
- 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:2312

C:\Windows\SysWOW64\jctxbxgc\jdfcwsch.exe
C:\Windows\SysWOW64\jctxbxgc\jdfcwsch.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-03_dbf282e8f2699b7b683a7c7f900d3224_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:376
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4632

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\jdfcwsch.exe

Filesize
11.0MB

MD5
25dfd3691b9dd053ccd5681762222fcb

SHA1
2df900217486eead97ac481e48e96cf687b104dc

SHA256
3f26d7a859061eea5298c831e68b68d1d76d6c066700df51e26a522605993514

SHA512
c3d0960121bf2f320889f3a3b5c8daa4a7fbc920f5593b6ca9a0961d02ddb7ec2924780ee833a13cba947719ef007c216410e5fc7cd904a5f6d88951cbb6963f

Download Submit
memory/376-11-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/376-18-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/376-12-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4004-8-0x00000000021B0000-0x00000000021C3000-memory.dmp

Filesize
76KB

Download
memory/4004-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4004-1-0x0000000000710000-0x0000000000810000-memory.dmp

Filesize
1024KB

Download
memory/4004-7-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4004-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4004-2-0x00000000021B0000-0x00000000021C3000-memory.dmp

Filesize
76KB

Download
memory/4632-13-0x0000000000840000-0x0000000000855000-memory.dmp

Filesize
84KB

Download
memory/4632-19-0x0000000000840000-0x0000000000855000-memory.dmp

Filesize
84KB

Download
memory/4632-17-0x0000000000840000-0x0000000000855000-memory.dmp

Filesize
84KB

Download
memory/4632-20-0x0000000000840000-0x0000000000855000-memory.dmp

Filesize
84KB

Download
memory/4632-21-0x0000000000840000-0x0000000000855000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads