tofsee | 9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 23:14

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General

Target

JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe
Size

291KB
MD5

059b6ca71cc6eddf47745e45c5134b0b
SHA1

9f8495fc5daea7fb6ffeca5abf461d9b03c83c66
SHA256

9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11
SHA512

60825f2453eb0137bee314f1ccba4a99f192cd1bced1fcfbe55b0a1fb10b5b7276d078b4f346ffb524ebba5fe1042bb3e2f846c4e2f7825c0f06b2556d9570d9
SSDEEP

6144:Vd+g4P3tZ2kWcrncIUSXuZet0ySbaHPQLx5qe28g:jgX2kbrn1USXuZet0ySbaSx5qJv

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\ynqxxwnp = "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
2616	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\ynqxxwnp\ImagePath = "C:\\Windows\\SysWOW64\\ynqxxwnp\\vwuehafq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2072	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2576	vwuehafq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2576 set thread context of 2072	2576	vwuehafq.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2708	sc.exe
2792	sc.exe
2728	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	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vwuehafq.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2864	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	30
PID 2704 wrote to memory of 2864	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	30
PID 2704 wrote to memory of 2864	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	30
PID 2704 wrote to memory of 2864	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	30
PID 2704 wrote to memory of 2688	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	32
PID 2704 wrote to memory of 2688	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	32
PID 2704 wrote to memory of 2688	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	32
PID 2704 wrote to memory of 2688	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	32
PID 2704 wrote to memory of 2728	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	34
PID 2704 wrote to memory of 2728	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	34
PID 2704 wrote to memory of 2728	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	34
PID 2704 wrote to memory of 2728	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	34
PID 2704 wrote to memory of 2708	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	36
PID 2704 wrote to memory of 2708	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	36
PID 2704 wrote to memory of 2708	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	36
PID 2704 wrote to memory of 2708	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	36
PID 2704 wrote to memory of 2792	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	38
PID 2704 wrote to memory of 2792	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	38
PID 2704 wrote to memory of 2792	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	38
PID 2704 wrote to memory of 2792	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	38
PID 2704 wrote to memory of 2616	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	41
PID 2704 wrote to memory of 2616	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	41
PID 2704 wrote to memory of 2616	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	41
PID 2704 wrote to memory of 2616	2704	JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe	41
PID 2576 wrote to memory of 2072	2576	vwuehafq.exe	43
PID 2576 wrote to memory of 2072	2576	vwuehafq.exe	43
PID 2576 wrote to memory of 2072	2576	vwuehafq.exe	43
PID 2576 wrote to memory of 2072	2576	vwuehafq.exe	43
PID 2576 wrote to memory of 2072	2576	vwuehafq.exe	43
PID 2576 wrote to memory of 2072	2576	vwuehafq.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ynqxxwnp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2864
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vwuehafq.exe" C:\Windows\SysWOW64\ynqxxwnp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ynqxxwnp binPath= "C:\Windows\SysWOW64\ynqxxwnp\vwuehafq.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2728
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ynqxxwnp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2708
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ynqxxwnp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2792
- 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:2616

C:\Windows\SysWOW64\ynqxxwnp\vwuehafq.exe
C:\Windows\SysWOW64\ynqxxwnp\vwuehafq.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fe9e8413e68ba926a5cf92ea3f07a503035a65d479cb0930b10219c52f7bb11.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:2072

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\vwuehafq.exe

Filesize
10.1MB

MD5
13b8712b7ca629a56960192680283bf1

SHA1
ffd8be83d3b45dede738b36469570de7d07fd45d

SHA256
ee042bed3a3fb1982e00257b83c79f7ea98843b4cf4769e83fb6c88bee239786

SHA512
7cec1637fa4981a71d61a905fcbe1cb36860f51fd971df9a973d45551c48998e4579ca43e3f86b16d30521a79d918a87d99f13ac271bc38bb5f94985e2988f02

Download Submit
memory/2072-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2072-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2072-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2072-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2072-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2576-17-0x0000000000400000-0x0000000002B41000-memory.dmp

Filesize
39.3MB

Download
memory/2704-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2704-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2704-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2704-7-0x0000000000400000-0x0000000002B41000-memory.dmp

Filesize
39.3MB

Download
memory/2704-8-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2704-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads