tofsee | 32cd448ae1c736f0639bd2c7d799e54e417fb62e61ae99d4d9248b8b18f6d0a4

Analysis

max time kernel
147s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/01/2025, 17:25

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General

Target

2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe
Size

10.9MB
MD5

14ab03aca558b863d0361d4226716f55
SHA1

facb55765248f9591184d1c7cfca8ecc7c251663
SHA256

32cd448ae1c736f0639bd2c7d799e54e417fb62e61ae99d4d9248b8b18f6d0a4
SHA512

be03596a01367ee6b75e05409aa377523aa938c8990240d39dd8b366f30afa5cc5b04050b808a85d278c97a2a37f826c205b2a1626182bc5d5d83e7885354155
SSDEEP

24576:TpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttN:Voo

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\cfivhabq = "0"	svchost.exe

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
2624	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\cfivhabq\ImagePath = "C:\\Windows\\SysWOW64\\cfivhabq\\easspedr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2848	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2300	easspedr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2300 set thread context of 2848	2300	easspedr.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2832	sc.exe
2752	sc.exe
2744	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	easspedr.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	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.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	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 3044	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	30
PID 2524 wrote to memory of 3044	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	30
PID 2524 wrote to memory of 3044	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	30
PID 2524 wrote to memory of 3044	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	30
PID 2524 wrote to memory of 2792	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	32
PID 2524 wrote to memory of 2792	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	32
PID 2524 wrote to memory of 2792	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	32
PID 2524 wrote to memory of 2792	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	32
PID 2524 wrote to memory of 2744	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	34
PID 2524 wrote to memory of 2744	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	34
PID 2524 wrote to memory of 2744	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	34
PID 2524 wrote to memory of 2744	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	34
PID 2524 wrote to memory of 2832	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	36
PID 2524 wrote to memory of 2832	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	36
PID 2524 wrote to memory of 2832	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	36
PID 2524 wrote to memory of 2832	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	36
PID 2524 wrote to memory of 2752	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	38
PID 2524 wrote to memory of 2752	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	38
PID 2524 wrote to memory of 2752	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	38
PID 2524 wrote to memory of 2752	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	38
PID 2300 wrote to memory of 2848	2300	easspedr.exe	41
PID 2300 wrote to memory of 2848	2300	easspedr.exe	41
PID 2300 wrote to memory of 2848	2300	easspedr.exe	41
PID 2300 wrote to memory of 2848	2300	easspedr.exe	41
PID 2300 wrote to memory of 2848	2300	easspedr.exe	41
PID 2300 wrote to memory of 2848	2300	easspedr.exe	41
PID 2524 wrote to memory of 2624	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	42
PID 2524 wrote to memory of 2624	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	42
PID 2524 wrote to memory of 2624	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	42
PID 2524 wrote to memory of 2624	2524	2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cfivhabq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3044
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\easspedr.exe" C:\Windows\SysWOW64\cfivhabq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2792
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cfivhabq binPath= "C:\Windows\SysWOW64\cfivhabq\easspedr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cfivhabq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cfivhabq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2752
- 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:2624

C:\Windows\SysWOW64\cfivhabq\easspedr.exe
C:\Windows\SysWOW64\cfivhabq\easspedr.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_14ab03aca558b863d0361d4226716f55_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
12.2MB

MD5
a4c53e1c6f1310bf82e8d9aa3231969e

SHA1
c6bc94f5f1cc6e23d337e62eb8f9cae0a56b7b08

SHA256
c4cc614b535344b515ea85a5ee1b1e1d12f979dcb5e449d407ef6b8ffa3512c8

SHA512
72e8a3317632e3547dea57734ba897195608f67f1b642677950af2bb036a86ae18cef2047f838f9a4445f65003028d64d45a8e7dbb357cdaf4ba9268aa3aba77

Download Submit
memory/2300-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2524-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2524-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2524-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2524-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2524-1-0x0000000000600000-0x0000000000700000-memory.dmp

Filesize
1024KB

Download
memory/2524-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2848-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads