tofsee | 1a468167a1d9a761cc209f759ac4563597cd8ebce754eae4ac80db2ad7a007e3

Analysis

max time kernel
144s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-02-2025 18:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe
Size

13.0MB
MD5

dee5a4fb48225157ac2c82f3fe35cb19
SHA1

9e94fa8c4967b017998c43b29e4ca327afb338fb
SHA256

1a468167a1d9a761cc209f759ac4563597cd8ebce754eae4ac80db2ad7a007e3
SHA512

786e30ff163598a9523ee3f38b17327292a670c1ec2a3e60f1a878db512e7016564ec4563e165ae451243bb0f60cbaa89c4fcad1e9aeaa91d213a9fc77ca0547
SSDEEP

24576:qpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttk:+ooe

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\uunjuaj = "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
2760	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\uunjuaj\ImagePath = "C:\\Windows\\SysWOW64\\uunjuaj\\jwifylqa.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2740	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2816	jwifylqa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2816 set thread context of 2740	2816	jwifylqa.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2704	sc.exe
2088	sc.exe
2172	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	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jwifylqa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2460	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	30
PID 2492 wrote to memory of 2460	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	30
PID 2492 wrote to memory of 2460	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	30
PID 2492 wrote to memory of 2460	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	30
PID 2492 wrote to memory of 1692	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	32
PID 2492 wrote to memory of 1692	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	32
PID 2492 wrote to memory of 1692	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	32
PID 2492 wrote to memory of 1692	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	32
PID 2492 wrote to memory of 2088	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	34
PID 2492 wrote to memory of 2088	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	34
PID 2492 wrote to memory of 2088	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	34
PID 2492 wrote to memory of 2088	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	34
PID 2492 wrote to memory of 2172	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	36
PID 2492 wrote to memory of 2172	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	36
PID 2492 wrote to memory of 2172	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	36
PID 2492 wrote to memory of 2172	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	36
PID 2492 wrote to memory of 2704	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	38
PID 2492 wrote to memory of 2704	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	38
PID 2492 wrote to memory of 2704	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	38
PID 2492 wrote to memory of 2704	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	38
PID 2816 wrote to memory of 2740	2816	jwifylqa.exe	41
PID 2816 wrote to memory of 2740	2816	jwifylqa.exe	41
PID 2816 wrote to memory of 2740	2816	jwifylqa.exe	41
PID 2816 wrote to memory of 2740	2816	jwifylqa.exe	41
PID 2816 wrote to memory of 2740	2816	jwifylqa.exe	41
PID 2816 wrote to memory of 2740	2816	jwifylqa.exe	41
PID 2492 wrote to memory of 2760	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	42
PID 2492 wrote to memory of 2760	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	42
PID 2492 wrote to memory of 2760	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	42
PID 2492 wrote to memory of 2760	2492	2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uunjuaj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2460
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jwifylqa.exe" C:\Windows\SysWOW64\uunjuaj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1692
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uunjuaj binPath= "C:\Windows\SysWOW64\uunjuaj\jwifylqa.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2088
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uunjuaj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2172
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uunjuaj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2704
- 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:2760

C:\Windows\SysWOW64\uunjuaj\jwifylqa.exe
C:\Windows\SysWOW64\uunjuaj\jwifylqa.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-05_dee5a4fb48225157ac2c82f3fe35cb19_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- 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:2740

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
13.7MB

MD5
793519acf40b1fff966f865be555c488

SHA1
5f4f27b0f6112214256596b82c68d5993a0df859

SHA256
5dbdedc78ce7603d80ad83e00f915d70120ab0ed7a6fa2bce535d80bfe1f6d4c

SHA512
1e5139b4f55c8a4ff838755e38a0240acc0d9671cb4c1acdb4c2e646c7cecf0679479712c1ca91dcfa88e7913c449cbb415226ef834a4977c7bfe6850d2b6b6a

Download Submit
memory/2492-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2492-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2492-1-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/2492-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2492-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2492-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2740-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2740-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2740-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2740-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2816-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads