tofsee | 9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 09:00

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General

Target

JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe
Size

186KB
MD5

166c6ac61a149f3d397c5b54cdf611b0
SHA1

51ac25392072ea5bd9af9d6d227c0c13a5c7cfdc
SHA256

9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c
SHA512

06d93630a7cf01e119c2cecf9c28de3f8e88b55f0afde93f2d6b8c536efd1ada9e9678aac34cb20c75911a3254ca3de174420a9ff45dbf2b4192c17d2b6ccfba
SSDEEP

3072:L7ojA4DTPi7C4QCDla6Iv0vdJxfez43Valiy1wC3pZa9uD6Vdyhk9:+A4DTPi7C4QBVviXVIQC3wVf

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\tkjgxky = "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
2844	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\tkjgxky\ImagePath = "C:\\Windows\\SysWOW64\\tkjgxky\\spafdnkh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
488	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2824	spafdnkh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2824 set thread context of 488	2824	spafdnkh.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
1892	sc.exe
1312	sc.exe
2724	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_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	svchost.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	spafdnkh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 600	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	30
PID 1800 wrote to memory of 600	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	30
PID 1800 wrote to memory of 600	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	30
PID 1800 wrote to memory of 600	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	30
PID 1800 wrote to memory of 2464	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	32
PID 1800 wrote to memory of 2464	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	32
PID 1800 wrote to memory of 2464	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	32
PID 1800 wrote to memory of 2464	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	32
PID 1800 wrote to memory of 1892	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	34
PID 1800 wrote to memory of 1892	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	34
PID 1800 wrote to memory of 1892	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	34
PID 1800 wrote to memory of 1892	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	34
PID 1800 wrote to memory of 1312	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	36
PID 1800 wrote to memory of 1312	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	36
PID 1800 wrote to memory of 1312	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	36
PID 1800 wrote to memory of 1312	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	36
PID 1800 wrote to memory of 2724	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	39
PID 1800 wrote to memory of 2724	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	39
PID 1800 wrote to memory of 2724	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	39
PID 1800 wrote to memory of 2724	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	39
PID 1800 wrote to memory of 2844	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	42
PID 1800 wrote to memory of 2844	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	42
PID 1800 wrote to memory of 2844	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	42
PID 1800 wrote to memory of 2844	1800	JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe	42
PID 2824 wrote to memory of 488	2824	spafdnkh.exe	44
PID 2824 wrote to memory of 488	2824	spafdnkh.exe	44
PID 2824 wrote to memory of 488	2824	spafdnkh.exe	44
PID 2824 wrote to memory of 488	2824	spafdnkh.exe	44
PID 2824 wrote to memory of 488	2824	spafdnkh.exe	44
PID 2824 wrote to memory of 488	2824	spafdnkh.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tkjgxky\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:600
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\spafdnkh.exe" C:\Windows\SysWOW64\tkjgxky\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2464
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tkjgxky binPath= "C:\Windows\SysWOW64\tkjgxky\spafdnkh.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1892
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tkjgxky "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1312
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tkjgxky
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2724
- 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:2844

C:\Windows\SysWOW64\tkjgxky\spafdnkh.exe
C:\Windows\SysWOW64\tkjgxky\spafdnkh.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- 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:488

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\spafdnkh.exe

Filesize
10.1MB

MD5
f479280466baf5da4001fe597d83c279

SHA1
d2150523cd2f6c5900245305d26be77dc2697038

SHA256
16b1f9a382da8d7448db4d56c30974dc0213c49a7ba9d2c7bd751daf2891fe91

SHA512
931928413144f32b15b04a6c69b5c0e9cfe19dfd8dedbe6c9a503fb32f83469b41ea68f907cff70d3d5abd267b1471523302a619747639106af141e901eeea21

Download Submit
memory/488-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/488-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/488-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/488-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/488-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1800-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1800-0-0x00000000003B0000-0x00000000003BD000-memory.dmp

Filesize
52KB

Download
memory/1800-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1800-8-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/1800-7-0x00000000003B0000-0x00000000003BD000-memory.dmp

Filesize
52KB

Download
memory/1800-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1800-1-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2824-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads