tofsee | e17f883fbe825d67a910c1452ef7886d7f7771a24334f10e5371d8d3aea0d9ee

Analysis

max time kernel
148s
max time network
130s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 19:44

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General

Target

2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe
Size

11.3MB
MD5

9551946bdf01b1c1ee251fd6d777bd55
SHA1

ca46fc8ccf7dbf61f8b87ac30666a25c626d7557
SHA256

e17f883fbe825d67a910c1452ef7886d7f7771a24334f10e5371d8d3aea0d9ee
SHA512

9ae3a1cf2c4eaf99af90b0d1b633ef38349db2af78dff67de59f5d4b1a5fd8f69ce52e2359834a689f1b98a26a243647d4a5ab3b895484918300e5329d9f862c
SSDEEP

24576:FEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZm:Ofot4

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\ibjoxtbx = "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
2684	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\ibjoxtbx\ImagePath = "C:\\Windows\\SysWOW64\\ibjoxtbx\\wblgamjl.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2600	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
932	wblgamjl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 932 set thread context of 2600	932	wblgamjl.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2416	sc.exe
2916	sc.exe
2756	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	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_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	sc.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wblgamjl.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2776	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	30
PID 2768 wrote to memory of 2776	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	30
PID 2768 wrote to memory of 2776	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	30
PID 2768 wrote to memory of 2776	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	30
PID 2768 wrote to memory of 2196	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	32
PID 2768 wrote to memory of 2196	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	32
PID 2768 wrote to memory of 2196	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	32
PID 2768 wrote to memory of 2196	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	32
PID 2768 wrote to memory of 2916	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	34
PID 2768 wrote to memory of 2916	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	34
PID 2768 wrote to memory of 2916	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	34
PID 2768 wrote to memory of 2916	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	34
PID 2768 wrote to memory of 2756	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	36
PID 2768 wrote to memory of 2756	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	36
PID 2768 wrote to memory of 2756	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	36
PID 2768 wrote to memory of 2756	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	36
PID 2768 wrote to memory of 2416	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	38
PID 2768 wrote to memory of 2416	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	38
PID 2768 wrote to memory of 2416	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	38
PID 2768 wrote to memory of 2416	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	38
PID 2768 wrote to memory of 2684	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	40
PID 2768 wrote to memory of 2684	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	40
PID 2768 wrote to memory of 2684	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	40
PID 2768 wrote to memory of 2684	2768	2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe	40
PID 932 wrote to memory of 2600	932	wblgamjl.exe	43
PID 932 wrote to memory of 2600	932	wblgamjl.exe	43
PID 932 wrote to memory of 2600	932	wblgamjl.exe	43
PID 932 wrote to memory of 2600	932	wblgamjl.exe	43
PID 932 wrote to memory of 2600	932	wblgamjl.exe	43
PID 932 wrote to memory of 2600	932	wblgamjl.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ibjoxtbx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wblgamjl.exe" C:\Windows\SysWOW64\ibjoxtbx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2196
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ibjoxtbx binPath= "C:\Windows\SysWOW64\ibjoxtbx\wblgamjl.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2916
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ibjoxtbx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2756
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ibjoxtbx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2416
- 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:2684

C:\Windows\SysWOW64\ibjoxtbx\wblgamjl.exe
C:\Windows\SysWOW64\ibjoxtbx\wblgamjl.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_9551946bdf01b1c1ee251fd6d777bd55_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:932
- 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:2600

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\wblgamjl.exe

Filesize
12.5MB

MD5
310f023ee02d35711fb543d52829119b

SHA1
4c5e3a3f7be5e95e14341e55fe8fd0f0ebb5d918

SHA256
3cc6135c93a423c4fa2c458005c02921697964ae1e217ce65b87f1874ecf79ff

SHA512
484c45b538afac4792b027a755aee27196713d612717280c1f1678ab0cfb6913467739d33a2fa9d954ce333b06355c5c3b4055816c3a79b5022c7cd033aa1613

Download Submit
memory/932-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2600-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2600-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2600-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2600-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2768-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2768-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2768-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2768-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2768-1-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/2768-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads