tofsee | de0989ba58f1a50c8b52ace991b067e5c4a3b2c830c1b2756493ddb1125b110a

Analysis

max time kernel
147s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 14:31

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General

Target

2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe
Size

12.4MB
MD5

616f4f2337c6242dc53a59e19f218fde
SHA1

8113efc0222a54e57403abd712cc797bc72f2235
SHA256

de0989ba58f1a50c8b52ace991b067e5c4a3b2c830c1b2756493ddb1125b110a
SHA512

9c260576ab735e659fe66266deaa601789ac170bb3469ddbef83bc54a3742d385e59ee783c188b2e95b79128620f36b9e9ace5d8eaeae1e0973e0293ff6acfaf
SSDEEP

12288:/Vbj7zJB99tzBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB/:/JzXd

Score

10^/10

tofsee discovery evasion 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

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\qnidqnvd = "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
2768	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\qnidqnvd\ImagePath = "C:\\Windows\\SysWOW64\\qnidqnvd\\wihvgqys.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2840	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2936	wihvgqys.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 2840	2936	wihvgqys.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2788	sc.exe
2988	sc.exe
2836	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wihvgqys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-09_616f4f2337c6242dc53a59e19f218fde_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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2368	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	29
PID 2252 wrote to memory of 2368	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	29
PID 2252 wrote to memory of 2368	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	29
PID 2252 wrote to memory of 2368	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	29
PID 2252 wrote to memory of 2116	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	31
PID 2252 wrote to memory of 2116	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	31
PID 2252 wrote to memory of 2116	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	31
PID 2252 wrote to memory of 2116	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	31
PID 2252 wrote to memory of 2788	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	33
PID 2252 wrote to memory of 2788	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	33
PID 2252 wrote to memory of 2788	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	33
PID 2252 wrote to memory of 2788	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	33
PID 2252 wrote to memory of 2988	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	35
PID 2252 wrote to memory of 2988	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	35
PID 2252 wrote to memory of 2988	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	35
PID 2252 wrote to memory of 2988	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	35
PID 2252 wrote to memory of 2836	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	37
PID 2252 wrote to memory of 2836	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	37
PID 2252 wrote to memory of 2836	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	37
PID 2252 wrote to memory of 2836	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	37
PID 2252 wrote to memory of 2768	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	39
PID 2252 wrote to memory of 2768	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	39
PID 2252 wrote to memory of 2768	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	39
PID 2252 wrote to memory of 2768	2252	2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe	39
PID 2936 wrote to memory of 2840	2936	wihvgqys.exe	42
PID 2936 wrote to memory of 2840	2936	wihvgqys.exe	42
PID 2936 wrote to memory of 2840	2936	wihvgqys.exe	42
PID 2936 wrote to memory of 2840	2936	wihvgqys.exe	42
PID 2936 wrote to memory of 2840	2936	wihvgqys.exe	42
PID 2936 wrote to memory of 2840	2936	wihvgqys.exe	42

C:\Users\Admin\AppData\Local\Temp\2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qnidqnvd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wihvgqys.exe" C:\Windows\SysWOW64\qnidqnvd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2116
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qnidqnvd binPath= "C:\Windows\SysWOW64\qnidqnvd\wihvgqys.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qnidqnvd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2988
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qnidqnvd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- 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:2768

C:\Windows\SysWOW64\qnidqnvd\wihvgqys.exe
C:\Windows\SysWOW64\qnidqnvd\wihvgqys.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-10-09_616f4f2337c6242dc53a59e19f218fde_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- 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:2840

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\wihvgqys.exe

Filesize
11.9MB

MD5
b97d69e97f51b12afe54343e0d3d2b8b

SHA1
e0efe6cf601006c7dfc42afd44423a9e3f520722

SHA256
3047ad2f7d60dd2720e6394288e39253385faff70bed2b5a1e5c94e36c386d93

SHA512
788375cc5c2a75193afbb59c88491202cf3f1c58d15612282a595c2c3cb6c4c4e545f77da35b18a77c80cf4c81a17b4f6febe5d29d545b7740d035cd4cbacbc7

Download Submit
memory/2252-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2252-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2252-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2252-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2252-7-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2252-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2840-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2840-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2840-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2840-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2840-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-16-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads