tofsee | a740950cb54ce7abb6840c2053dcd15c60a414976ba39184e52447622e634d77

General

Target

2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe
Size

14.7MB
MD5

35496f3210be76bdf152e68c2d006c97
SHA1

71edf2a785a3d8c2c202115c56a915c0055b82c6
SHA256

a740950cb54ce7abb6840c2053dcd15c60a414976ba39184e52447622e634d77
SHA512

7abd43f7c0de5ce5b6ef72d8e5c9d3e72698aadc48049dfafd72a449fcec149580e241da52b94ae341e21b7de8855801431d3079d26a14696a24cbf9d9d13b8e
SSDEEP

24576:UpomTTN9ttttttttttttttttttttttttttttttttttttttttttttttttttttttt3:goo

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

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4536	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\qbbjmrbj\ImagePath = "C:\\Windows\\SysWOW64\\qbbjmrbj\\pocespqi.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe

Deletes itself 1 IoCs

pid	Process
544	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
968	pocespqi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 968 set thread context of 544	968	pocespqi.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
2640	sc.exe
4424	sc.exe
1884	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
3472	736	WerFault.exe	81
2400	968	WerFault.exe	92

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	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	pocespqi.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 2016	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	82
PID 736 wrote to memory of 2016	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	82
PID 736 wrote to memory of 2016	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	82
PID 736 wrote to memory of 3980	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	84
PID 736 wrote to memory of 3980	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	84
PID 736 wrote to memory of 3980	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	84
PID 736 wrote to memory of 2640	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	86
PID 736 wrote to memory of 2640	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	86
PID 736 wrote to memory of 2640	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	86
PID 736 wrote to memory of 4424	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	88
PID 736 wrote to memory of 4424	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	88
PID 736 wrote to memory of 4424	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	88
PID 736 wrote to memory of 1884	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	90
PID 736 wrote to memory of 1884	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	90
PID 736 wrote to memory of 1884	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	90
PID 736 wrote to memory of 4536	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	93
PID 736 wrote to memory of 4536	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	93
PID 736 wrote to memory of 4536	736	2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe	93
PID 968 wrote to memory of 544	968	pocespqi.exe	98
PID 968 wrote to memory of 544	968	pocespqi.exe	98
PID 968 wrote to memory of 544	968	pocespqi.exe	98
PID 968 wrote to memory of 544	968	pocespqi.exe	98
PID 968 wrote to memory of 544	968	pocespqi.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:736
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qbbjmrbj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pocespqi.exe" C:\Windows\SysWOW64\qbbjmrbj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3980
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qbbjmrbj binPath= "C:\Windows\SysWOW64\qbbjmrbj\pocespqi.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2640
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qbbjmrbj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4424
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qbbjmrbj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1884
- 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:4536
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 1296
  2⤵
  - Program crash
  PID:3472

C:\Windows\SysWOW64\qbbjmrbj\pocespqi.exe
C:\Windows\SysWOW64\qbbjmrbj\pocespqi.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_35496f3210be76bdf152e68c2d006c97_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:968
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:544
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 516
  2⤵
  - Program crash
  PID:2400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 736 -ip 736
1⤵
PID:2376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 968 -ip 968
1⤵
PID:1628

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\pocespqi.exe

Filesize
10.9MB

MD5
13fff02eb3a8633d31fac9a1dfdfb04d

SHA1
5c773d1c40f0dcceb5a844424a7c5f0c1a1122f4

SHA256
ce55adb8682954027a33b4aa2b0785bff3c439d93fdd0c170875d8c641a0cc3d

SHA512
44863236c43ae881b3d7f2ef34016e724e6b820653a391b90cf4669ed9dec2faa4e47bec7f91c84f7d6d000c1bfeabc61b20433b4482fb3f75621b7a4e7e0d3e

Download Submit
memory/544-14-0x0000000000A80000-0x0000000000A95000-memory.dmp

Filesize
84KB

Download
memory/544-17-0x0000000000A80000-0x0000000000A95000-memory.dmp

Filesize
84KB

Download
memory/544-16-0x0000000000A80000-0x0000000000A95000-memory.dmp

Filesize
84KB

Download
memory/736-8-0x00000000009C0000-0x00000000009D3000-memory.dmp

Filesize
76KB

Download
memory/736-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/736-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download
memory/736-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/736-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/736-2-0x00000000009C0000-0x00000000009D3000-memory.dmp

Filesize
76KB

Download
memory/968-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/968-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/968-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/968-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads