tofsee | 0af19468f4c23b6abaf05da3aecc6a669e5aefe9765041f6bfeaeb9d85b6b28c

General

Target

2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe
Size

13.6MB
MD5

faeef2f615c355d7e8774bdcb9dc90c6
SHA1

9048421786fa7813eefb00f29e9e9f2158dfc667
SHA256

0af19468f4c23b6abaf05da3aecc6a669e5aefe9765041f6bfeaeb9d85b6b28c
SHA512

0846a2edd0dd5bf7f29cddc6b372067f0677e99a4def400e6bc4eceeaa3bcec56a61c55a89b40358164d35a5241a3e4dca27b9d9cf59283a493f0f862cf452c0
SSDEEP

393216:2XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXZ:E

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
31	1908	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
1004	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\bdqpiigp\ImagePath = "C:\\Windows\\SysWOW64\\bdqpiigp\\kbjhrmth.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-1-5-21-895555807-3853795127-2958627047-1000\Control Panel\International\Geo\Nation	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe

Deletes itself 1 IoCs

pid	Process
1080	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4696	kbjhrmth.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4696 set thread context of 1080	4696	kbjhrmth.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
4812	sc.exe
4640	sc.exe
1268	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 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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kbjhrmth.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
1896	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 5020 wrote to memory of 1592	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	89
PID 5020 wrote to memory of 1592	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	89
PID 5020 wrote to memory of 1592	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	89
PID 5020 wrote to memory of 3960	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	91
PID 5020 wrote to memory of 3960	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	91
PID 5020 wrote to memory of 3960	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	91
PID 5020 wrote to memory of 4812	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	93
PID 5020 wrote to memory of 4812	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	93
PID 5020 wrote to memory of 4812	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	93
PID 5020 wrote to memory of 4640	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	97
PID 5020 wrote to memory of 4640	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	97
PID 5020 wrote to memory of 4640	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	97
PID 5020 wrote to memory of 1268	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	99
PID 5020 wrote to memory of 1268	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	99
PID 5020 wrote to memory of 1268	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	99
PID 4696 wrote to memory of 1080	4696	kbjhrmth.exe	102
PID 4696 wrote to memory of 1080	4696	kbjhrmth.exe	102
PID 4696 wrote to memory of 1080	4696	kbjhrmth.exe	102
PID 4696 wrote to memory of 1080	4696	kbjhrmth.exe	102
PID 4696 wrote to memory of 1080	4696	kbjhrmth.exe	102
PID 5020 wrote to memory of 1004	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	103
PID 5020 wrote to memory of 1004	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	103
PID 5020 wrote to memory of 1004	5020	2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe	103

C:\Users\Admin\AppData\Local\Temp\2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5020
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bdqpiigp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1592
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kbjhrmth.exe" C:\Windows\SysWOW64\bdqpiigp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3960
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create bdqpiigp binPath= "C:\Windows\SysWOW64\bdqpiigp\kbjhrmth.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description bdqpiigp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4640
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start bdqpiigp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1268
- 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:1004

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4MzAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTE0Njg3NjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0NzY3NjQ3NTkxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1896

C:\Windows\SysWOW64\bdqpiigp\kbjhrmth.exe
C:\Windows\SysWOW64\bdqpiigp\kbjhrmth.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_faeef2f615c355d7e8774bdcb9dc90c6_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1080

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\kbjhrmth.exe

Filesize
14.6MB

MD5
3a0bea8f034efb92df34731ebe85762b

SHA1
84001e9caedff284b069b1d21a8217e5d83c16c7

SHA256
8122551c6b2714ed15ee5c7f606fc683d2e48c92a14a43a5435aa098b752e2cc

SHA512
4584014893c4bc411db32379af63ddafe2078259f9fa617a92bff05e9a90c71b38e108d870274ebceddb976894929fcfe159de83ae23a01d117c8e10ba8849e7

Download Submit
memory/1080-11-0x0000000000DC0000-0x0000000000DD5000-memory.dmp

Filesize
84KB

Download
memory/1080-19-0x0000000000DC0000-0x0000000000DD5000-memory.dmp

Filesize
84KB

Download
memory/1080-18-0x0000000000DC0000-0x0000000000DD5000-memory.dmp

Filesize
84KB

Download
memory/4696-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4696-13-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4696-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4696-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/5020-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5020-16-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/5020-15-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/5020-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/5020-1-0x0000000000600000-0x0000000000700000-memory.dmp

Filesize
1024KB

Download
memory/5020-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads