tofsee | cacdb4e37012ec385c2bb75d6a5a5fe033bbf58ee5191a1d01f0f44e6227152a

General

Target

2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe
Size

14.3MB
MD5

23c52ca0d27ecf2f601c94cf24f77680
SHA1

cee7103866b417f46f65f6a33cb05e1ce951e808
SHA256

cacdb4e37012ec385c2bb75d6a5a5fe033bbf58ee5191a1d01f0f44e6227152a
SHA512

e1028748bcee74666a38660b8b594515c31f1c3025af07528abdfc11b8c47df5e12613140ffb73fc684ee5cbeaa0dcc6782956c6c0e0e12e23ad8f13edd7d3db
SSDEEP

3072:XLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:uOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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
27	2936	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
2592	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\egohjhuz\ImagePath = "C:\\Windows\\SysWOW64\\egohjhuz\\evdblgnb.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-1-5-21-705198581-2062733989-3666524522-1000\Control Panel\International\Geo\Nation	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe

Deletes itself 1 IoCs

pid	Process
1300	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1160	evdblgnb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1160 set thread context of 1300	1160	evdblgnb.exe	104

Launches sc.exe 3 IoCs

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

pid	Process
532	sc.exe
1320	sc.exe
2612	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1072	216	WerFault.exe	84
2112	1160	WerFault.exe	98

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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	evdblgnb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_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	svchost.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
4216	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 216 wrote to memory of 3832	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	88
PID 216 wrote to memory of 3832	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	88
PID 216 wrote to memory of 3832	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	88
PID 216 wrote to memory of 2256	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	90
PID 216 wrote to memory of 2256	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	90
PID 216 wrote to memory of 2256	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	90
PID 216 wrote to memory of 532	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	92
PID 216 wrote to memory of 532	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	92
PID 216 wrote to memory of 532	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	92
PID 216 wrote to memory of 1320	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	94
PID 216 wrote to memory of 1320	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	94
PID 216 wrote to memory of 1320	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	94
PID 216 wrote to memory of 2612	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	96
PID 216 wrote to memory of 2612	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	96
PID 216 wrote to memory of 2612	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	96
PID 216 wrote to memory of 2592	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	99
PID 216 wrote to memory of 2592	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	99
PID 216 wrote to memory of 2592	216	2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe	99
PID 1160 wrote to memory of 1300	1160	evdblgnb.exe	104
PID 1160 wrote to memory of 1300	1160	evdblgnb.exe	104
PID 1160 wrote to memory of 1300	1160	evdblgnb.exe	104
PID 1160 wrote to memory of 1300	1160	evdblgnb.exe	104
PID 1160 wrote to memory of 1300	1160	evdblgnb.exe	104

C:\Users\Admin\AppData\Local\Temp\2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:216
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\egohjhuz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3832
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\evdblgnb.exe" C:\Windows\SysWOW64\egohjhuz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2256
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create egohjhuz binPath= "C:\Windows\SysWOW64\egohjhuz\evdblgnb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:532
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description egohjhuz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1320
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start egohjhuz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2612
- 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:2592
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 216 -s 592
  2⤵
  - Program crash
  PID:1072

C:\Windows\SysWOW64\egohjhuz\evdblgnb.exe
C:\Windows\SysWOW64\egohjhuz\evdblgnb.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_23c52ca0d27ecf2f601c94cf24f77680_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1300
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1160 -s 516
  2⤵
  - Program crash
  PID:2112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 216 -ip 216
1⤵
PID:4844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1160 -ip 1160
1⤵
PID:3208

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU4NjAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODIxNjMwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0ODg2MDU2Mjg5Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4216

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

Replay Monitor

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Downloads

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

Filesize
11.4MB

MD5
22c94f729163bda3f4078d631234b7c3

SHA1
90be3e9f271a283c6257dc97b6fa12ffda6131a7

SHA256
ee21f0c31e7a602ba0d080b6d86a4e4e49ba0d0b456c2eba18e9821af9e41dfb

SHA512
8f2b1be7e51888f4fec292ff7b1effc453cbdcbef7a0e85fe7d6ae13e5833c0b35c77ea1df9caf5871858520f3166201407864a01d2796eb0ecb2121d536c3f5

Download Submit
memory/216-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/216-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/216-2-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/216-8-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/216-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/216-1-0x00000000004B0000-0x00000000005B0000-memory.dmp

Filesize
1024KB

Download
memory/1160-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1160-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1160-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1160-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1300-14-0x00000000001E0000-0x00000000001F5000-memory.dmp

Filesize
84KB

Download
memory/1300-16-0x00000000001E0000-0x00000000001F5000-memory.dmp

Filesize
84KB

Download
memory/1300-17-0x00000000001E0000-0x00000000001F5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads