tofsee | 0e4bf85118a3a971dcae95333f9e28253628dd26cebcc8e1e5995d0611e7263e

Analysis

max time kernel
145s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-08-2024 21:18

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General

Target

2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe
Size

11.5MB
MD5

66be9b1a3765b942d7489f16a6dd806f
SHA1

ea92f7112fd72d16d3a74500f331616f4bc17732
SHA256

0e4bf85118a3a971dcae95333f9e28253628dd26cebcc8e1e5995d0611e7263e
SHA512

2e6aec7be65360941b12859eca55067e9a7dbeba24a3f566a9a68df1ae1406adf6fbcacb8e27749e1ae3aea63ccd34ee5e386451e48b41ebc2662966f74da865
SSDEEP

6144:q+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:q+r1IeSXMXc7LlxWV4Ug97GZ+ej

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\qlmfhfop = "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
2516	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\qlmfhfop\ImagePath = "C:\\Windows\\SysWOW64\\qlmfhfop\\oonteszc.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1680	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2552	oonteszc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2552 set thread context of 1680	2552	oonteszc.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2816	sc.exe
2804	sc.exe
2820	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oonteszc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2364	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	30
PID 1956 wrote to memory of 2364	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	30
PID 1956 wrote to memory of 2364	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	30
PID 1956 wrote to memory of 2364	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	30
PID 1956 wrote to memory of 2628	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	32
PID 1956 wrote to memory of 2628	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	32
PID 1956 wrote to memory of 2628	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	32
PID 1956 wrote to memory of 2628	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	32
PID 1956 wrote to memory of 2816	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	34
PID 1956 wrote to memory of 2816	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	34
PID 1956 wrote to memory of 2816	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	34
PID 1956 wrote to memory of 2816	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	34
PID 1956 wrote to memory of 2804	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	36
PID 1956 wrote to memory of 2804	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	36
PID 1956 wrote to memory of 2804	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	36
PID 1956 wrote to memory of 2804	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	36
PID 1956 wrote to memory of 2820	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	38
PID 1956 wrote to memory of 2820	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	38
PID 1956 wrote to memory of 2820	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	38
PID 1956 wrote to memory of 2820	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	38
PID 2552 wrote to memory of 1680	2552	oonteszc.exe	41
PID 2552 wrote to memory of 1680	2552	oonteszc.exe	41
PID 2552 wrote to memory of 1680	2552	oonteszc.exe	41
PID 2552 wrote to memory of 1680	2552	oonteszc.exe	41
PID 2552 wrote to memory of 1680	2552	oonteszc.exe	41
PID 2552 wrote to memory of 1680	2552	oonteszc.exe	41
PID 1956 wrote to memory of 2516	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	42
PID 1956 wrote to memory of 2516	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	42
PID 1956 wrote to memory of 2516	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	42
PID 1956 wrote to memory of 2516	1956	2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qlmfhfop\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2364
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\oonteszc.exe" C:\Windows\SysWOW64\qlmfhfop\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2628
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qlmfhfop binPath= "C:\Windows\SysWOW64\qlmfhfop\oonteszc.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qlmfhfop "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qlmfhfop
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2820
- 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:2516

C:\Windows\SysWOW64\qlmfhfop\oonteszc.exe
C:\Windows\SysWOW64\qlmfhfop\oonteszc.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-08-24_66be9b1a3765b942d7489f16a6dd806f_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2552
- 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:1680

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\oonteszc.exe

Filesize
10.8MB

MD5
8c83c9f98dae047d03b2cc7743875292

SHA1
260326f59221d018dc5b95fd594d04142ffe8b1d

SHA256
0fbcc37a13f1f6c1e803321f84ac998a18d91f4ea560b7626c4242eb92b534cf

SHA512
1b06d0d1f30df7cd1a9ce49fbb4e2ead2b1568bad2a1a939366cd740e92c2033a67a6d908cbea3117716d68200f3519d8c78cdd837879870c8742fc8536d2904

Download Submit
memory/1680-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1680-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1680-7-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1680-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1680-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1956-1-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/1956-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1956-14-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/1956-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1956-13-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2552-11-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads