tofsee | 902c64f8f0ca0373d745468bb8941d492e0aa734f0c081088b4dd0ab153097d7

Analysis

max time kernel
148s
max time network
125s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 20:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_3566557df83506670d9589b709f71cbd.exe
Size

12.9MB
MD5

3566557df83506670d9589b709f71cbd
SHA1

e89af9bfe94a96b256f8559bf3b9fbcf32606ccd
SHA256

902c64f8f0ca0373d745468bb8941d492e0aa734f0c081088b4dd0ab153097d7
SHA512

0c8e955713344770a0f464823368931261b59c876d02e838259889f7354730248934b301f4d4ca320d1c18e5aaabd03b4af3cb0b323622058bbef0c395961c71
SSDEEP

393216:QppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppX:

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.6

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

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\spqzijwh = "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
2592	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\spqzijwh\ImagePath = "C:\\Windows\\SysWOW64\\spqzijwh\\tqnlxixl.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1652	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2576	tqnlxixl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2576 set thread context of 1652	2576	tqnlxixl.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2612	sc.exe
2600	sc.exe
2624	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3566557df83506670d9589b709f71cbd.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tqnlxixl.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	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2824	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	30
PID 2680 wrote to memory of 2824	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	30
PID 2680 wrote to memory of 2824	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	30
PID 2680 wrote to memory of 2824	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	30
PID 2680 wrote to memory of 2724	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	32
PID 2680 wrote to memory of 2724	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	32
PID 2680 wrote to memory of 2724	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	32
PID 2680 wrote to memory of 2724	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	32
PID 2680 wrote to memory of 2612	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	34
PID 2680 wrote to memory of 2612	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	34
PID 2680 wrote to memory of 2612	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	34
PID 2680 wrote to memory of 2612	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	34
PID 2680 wrote to memory of 2600	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	36
PID 2680 wrote to memory of 2600	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	36
PID 2680 wrote to memory of 2600	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	36
PID 2680 wrote to memory of 2600	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	36
PID 2680 wrote to memory of 2624	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	38
PID 2680 wrote to memory of 2624	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	38
PID 2680 wrote to memory of 2624	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	38
PID 2680 wrote to memory of 2624	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	38
PID 2680 wrote to memory of 2592	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	41
PID 2680 wrote to memory of 2592	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	41
PID 2680 wrote to memory of 2592	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	41
PID 2680 wrote to memory of 2592	2680	JaffaCakes118_3566557df83506670d9589b709f71cbd.exe	41
PID 2576 wrote to memory of 1652	2576	tqnlxixl.exe	43
PID 2576 wrote to memory of 1652	2576	tqnlxixl.exe	43
PID 2576 wrote to memory of 1652	2576	tqnlxixl.exe	43
PID 2576 wrote to memory of 1652	2576	tqnlxixl.exe	43
PID 2576 wrote to memory of 1652	2576	tqnlxixl.exe	43
PID 2576 wrote to memory of 1652	2576	tqnlxixl.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3566557df83506670d9589b709f71cbd.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3566557df83506670d9589b709f71cbd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\spqzijwh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2824
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tqnlxixl.exe" C:\Windows\SysWOW64\spqzijwh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2724
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create spqzijwh binPath= "C:\Windows\SysWOW64\spqzijwh\tqnlxixl.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3566557df83506670d9589b709f71cbd.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2612
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description spqzijwh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2600
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start spqzijwh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2624
- 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:2592

C:\Windows\SysWOW64\spqzijwh\tqnlxixl.exe
C:\Windows\SysWOW64\spqzijwh\tqnlxixl.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3566557df83506670d9589b709f71cbd.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576
- 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:1652

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\tqnlxixl.exe

Filesize
11.3MB

MD5
7aa248736f78e0c58a1d690f53b3df32

SHA1
b49b8c338086dfda5da3ed9d8ee219f009a794eb

SHA256
67f77bd3f08970c3bf356b03fb5fb90295fc419ee3e0369161575274fd39da41

SHA512
e0aa4b17d97dd9123f90482331637d5754c8240b6e08c3ccceedb75ce51a4af4599a0c7498177d1963b769f78b4e7e05618841db8cb09c480fb6ca63e4288faa

Download Submit
memory/1652-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1652-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1652-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1652-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1652-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2576-17-0x0000000000400000-0x00000000008F6000-memory.dmp

Filesize
5.0MB

Download
memory/2680-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2680-2-0x00000000003D0000-0x00000000003E3000-memory.dmp

Filesize
76KB

Download
memory/2680-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2680-8-0x00000000003D0000-0x00000000003E3000-memory.dmp

Filesize
76KB

Download
memory/2680-7-0x0000000000400000-0x00000000008F6000-memory.dmp

Filesize
5.0MB

Download
memory/2680-1-0x0000000000D40000-0x0000000000E40000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads