tofsee | fc6623490eb4b66cee4b92de477779970807277d3253480e609a085e269b28e7

General

Target

2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe
Size

11.5MB
MD5

ed5274c2e34700e904ce44a6725f8711
SHA1

7425d53221875ecabc5eace726de43be3c583fe2
SHA256

fc6623490eb4b66cee4b92de477779970807277d3253480e609a085e269b28e7
SHA512

a2a74a346cd904d19fae96006855eda0e77f5d5133e95a638517652505dad0046c52bf0642000ea2f79f68b591a1fef4766dcf8670ce75c6a381937c76deeeb5
SSDEEP

24576:bpomTTN9ttttttttttttttttttttttttttttttttttttttttttttttttttttttt/:too

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
41	4428	Process not Found

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4768	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\jiokujhc\ImagePath = "C:\\Windows\\SysWOW64\\jiokujhc\\eqpdoyga.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-1-5-21-3591594829-2464889670-1367169939-1000\Control Panel\International\Geo\Nation	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe

Deletes itself 1 IoCs

pid	Process
560	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3932	eqpdoyga.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3932 set thread context of 560	3932	eqpdoyga.exe	103

Launches sc.exe 3 IoCs

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

pid	Process
1416	sc.exe
4444	sc.exe
2180	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
2320	1672	WerFault.exe	86
2040	3932	WerFault.exe	97

System Location Discovery: System Language Discovery 1 TTPs 10 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eqpdoyga.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-08_ed5274c2e34700e904ce44a6725f8711_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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4556	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 4528	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	87
PID 1672 wrote to memory of 4528	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	87
PID 1672 wrote to memory of 4528	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	87
PID 1672 wrote to memory of 2852	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	89
PID 1672 wrote to memory of 2852	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	89
PID 1672 wrote to memory of 2852	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	89
PID 1672 wrote to memory of 1416	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	91
PID 1672 wrote to memory of 1416	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	91
PID 1672 wrote to memory of 1416	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	91
PID 1672 wrote to memory of 4444	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	93
PID 1672 wrote to memory of 4444	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	93
PID 1672 wrote to memory of 4444	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	93
PID 1672 wrote to memory of 2180	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	95
PID 1672 wrote to memory of 2180	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	95
PID 1672 wrote to memory of 2180	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	95
PID 1672 wrote to memory of 4768	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	98
PID 1672 wrote to memory of 4768	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	98
PID 1672 wrote to memory of 4768	1672	2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe	98
PID 3932 wrote to memory of 560	3932	eqpdoyga.exe	103
PID 3932 wrote to memory of 560	3932	eqpdoyga.exe	103
PID 3932 wrote to memory of 560	3932	eqpdoyga.exe	103
PID 3932 wrote to memory of 560	3932	eqpdoyga.exe	103
PID 3932 wrote to memory of 560	3932	eqpdoyga.exe	103

C:\Users\Admin\AppData\Local\Temp\2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jiokujhc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4528
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\eqpdoyga.exe" C:\Windows\SysWOW64\jiokujhc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2852
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jiokujhc binPath= "C:\Windows\SysWOW64\jiokujhc\eqpdoyga.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1416
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jiokujhc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4444
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jiokujhc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2180
- 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:4768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 1168
  2⤵
  - Program crash
  PID:2320

C:\Windows\SysWOW64\jiokujhc\eqpdoyga.exe
C:\Windows\SysWOW64\jiokujhc\eqpdoyga.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_ed5274c2e34700e904ce44a6725f8711_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3932
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:560
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 512
  2⤵
  - Program crash
  PID:2040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1672 -ip 1672
1⤵
PID:5044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3932 -ip 3932
1⤵
PID:1712

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU1NzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODAxNjUyMzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MjIyNDg4MzA2Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4556

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
10.3MB

MD5
3c3689a12b82efda72f58b694c5ba986

SHA1
236b49a76bfe61a30ed8091b7dc228d00062dab8

SHA256
28118a304f97fed5113fff8676e26376abd4ad4d8b5f6ac881dff9b06a021a3d

SHA512
9f9fcdc4d3c53ad06abdc5c6b6616d59267b96b321726525d16d0e34a375ec6abfb4e686b241ef72eb3cfb6c9217fe2fe9603272aee631ec3e45a430bb1d1a95

Download Submit
memory/560-14-0x0000000000EE0000-0x0000000000EF5000-memory.dmp

Filesize
84KB

Download
memory/560-17-0x0000000000EE0000-0x0000000000EF5000-memory.dmp

Filesize
84KB

Download
memory/560-16-0x0000000000EE0000-0x0000000000EF5000-memory.dmp

Filesize
84KB

Download
memory/1672-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1672-8-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/1672-1-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/1672-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1672-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1672-2-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/3932-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3932-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3932-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3932-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads