tofsee | eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 04:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe
Size

12.9MB
MD5

27bc92160d3d4e66f593e9f8f3023dff
SHA1

920930e48cc64142bdb9643b6f03152423f22fce
SHA256

eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447
SHA512

68dddd1252274b8d7c029f84128d9f16d2f78f72dc22c548c6f296efbf6893c5b26f04aa1eeda4c1f76f5dfb016fb274618c94dd6650992796a016aa52b989ed
SSDEEP

49152:nyzapZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ0:nCB

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru

lakeflex.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

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\qxlfuzrk = "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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2728	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\qxlfuzrk\ImagePath = "C:\\Windows\\SysWOW64\\qxlfuzrk\\shmnhpsl.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2644	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2332	shmnhpsl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2332 set thread context of 2644	2332	shmnhpsl.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2980	sc.exe
2976	sc.exe
2848	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.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	shmnhpsl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 2700	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	30
PID 1064 wrote to memory of 2700	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	30
PID 1064 wrote to memory of 2700	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	30
PID 1064 wrote to memory of 2700	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	30
PID 1064 wrote to memory of 2816	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	32
PID 1064 wrote to memory of 2816	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	32
PID 1064 wrote to memory of 2816	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	32
PID 1064 wrote to memory of 2816	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	32
PID 1064 wrote to memory of 2980	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	34
PID 1064 wrote to memory of 2980	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	34
PID 1064 wrote to memory of 2980	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	34
PID 1064 wrote to memory of 2980	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	34
PID 1064 wrote to memory of 2976	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	36
PID 1064 wrote to memory of 2976	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	36
PID 1064 wrote to memory of 2976	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	36
PID 1064 wrote to memory of 2976	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	36
PID 1064 wrote to memory of 2848	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	38
PID 1064 wrote to memory of 2848	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	38
PID 1064 wrote to memory of 2848	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	38
PID 1064 wrote to memory of 2848	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	38
PID 1064 wrote to memory of 2728	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	41
PID 1064 wrote to memory of 2728	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	41
PID 1064 wrote to memory of 2728	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	41
PID 1064 wrote to memory of 2728	1064	eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe	41
PID 2332 wrote to memory of 2644	2332	shmnhpsl.exe	43
PID 2332 wrote to memory of 2644	2332	shmnhpsl.exe	43
PID 2332 wrote to memory of 2644	2332	shmnhpsl.exe	43
PID 2332 wrote to memory of 2644	2332	shmnhpsl.exe	43
PID 2332 wrote to memory of 2644	2332	shmnhpsl.exe	43
PID 2332 wrote to memory of 2644	2332	shmnhpsl.exe	43

C:\Users\Admin\AppData\Local\Temp\eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe
"C:\Users\Admin\AppData\Local\Temp\eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qxlfuzrk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\shmnhpsl.exe" C:\Windows\SysWOW64\qxlfuzrk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qxlfuzrk binPath= "C:\Windows\SysWOW64\qxlfuzrk\shmnhpsl.exe /d\"C:\Users\Admin\AppData\Local\Temp\eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2980
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qxlfuzrk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2976
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qxlfuzrk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2848
- 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:2728

C:\Windows\SysWOW64\qxlfuzrk\shmnhpsl.exe
C:\Windows\SysWOW64\qxlfuzrk\shmnhpsl.exe /d"C:\Users\Admin\AppData\Local\Temp\eb23f56dfaa83993bbc64dd0bbaabb55d03efc165400d97917c1d0f61e30d447.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2332
- 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:2644

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\shmnhpsl.exe

Filesize
11.9MB

MD5
e6dada01bd9df3795db5b6555b04b5d6

SHA1
70d57dc716aef4fd8aa8859724a86b576ed88223

SHA256
7e1b0bfd7b4ea77279b7b5a01162afece3144350a5eb250314cb67fc2fb3d784

SHA512
2b54e4e41c05346fea83e1a4238a2b642d10fdefc5427348cca956c17b3ec9e2cb1a232a4ceff324760c6b957b1d253b51366d88e48dd65facffc062cc9a1593

Download Submit
memory/1064-7-0x0000000000400000-0x00000000016BD000-memory.dmp

Filesize
18.7MB

Download
memory/1064-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1064-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1064-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1064-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1064-1-0x0000000001840000-0x0000000001940000-memory.dmp

Filesize
1024KB

Download
memory/2332-15-0x0000000000400000-0x00000000016BD000-memory.dmp

Filesize
18.7MB

Download
memory/2644-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2644-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2644-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2644-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads