tofsee | a766c56d729f2d60d7420c27cc346dd2b360e2b620061ceccd86c3efaafa3d21

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/01/2025, 05:39

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General

Target

JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe
Size

10.0MB
MD5

8f0c7ed7dee073b4d77ebc9ae3e91730
SHA1

9859b88ddf30f3ad0275f1af5595cc175aa72808
SHA256

a766c56d729f2d60d7420c27cc346dd2b360e2b620061ceccd86c3efaafa3d21
SHA512

d55db62d314bb0f1fbfba9e33345098877c4985a1a139159422fb2fdcf70b1cbef271748fd13a2f467b3c42423c90c386ccccc0ced0e1bf63044a04bf4397cfd
SSDEEP

49152:cvqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqS:c

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\jhhwpazw = "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
2848	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\jhhwpazw\ImagePath = "C:\\Windows\\SysWOW64\\jhhwpazw\\nomwzsxi.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2952	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2832	nomwzsxi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2832 set thread context of 2952	2832	nomwzsxi.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2808	sc.exe
2744	sc.exe
2552	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nomwzsxi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2256	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	30
PID 2912 wrote to memory of 2256	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	30
PID 2912 wrote to memory of 2256	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	30
PID 2912 wrote to memory of 2256	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	30
PID 2912 wrote to memory of 1840	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	32
PID 2912 wrote to memory of 1840	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	32
PID 2912 wrote to memory of 1840	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	32
PID 2912 wrote to memory of 1840	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	32
PID 2912 wrote to memory of 2552	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	34
PID 2912 wrote to memory of 2552	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	34
PID 2912 wrote to memory of 2552	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	34
PID 2912 wrote to memory of 2552	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	34
PID 2912 wrote to memory of 2808	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	36
PID 2912 wrote to memory of 2808	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	36
PID 2912 wrote to memory of 2808	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	36
PID 2912 wrote to memory of 2808	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	36
PID 2912 wrote to memory of 2744	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	38
PID 2912 wrote to memory of 2744	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	38
PID 2912 wrote to memory of 2744	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	38
PID 2912 wrote to memory of 2744	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	38
PID 2912 wrote to memory of 2848	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	41
PID 2912 wrote to memory of 2848	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	41
PID 2912 wrote to memory of 2848	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	41
PID 2912 wrote to memory of 2848	2912	JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe	41
PID 2832 wrote to memory of 2952	2832	nomwzsxi.exe	43
PID 2832 wrote to memory of 2952	2832	nomwzsxi.exe	43
PID 2832 wrote to memory of 2952	2832	nomwzsxi.exe	43
PID 2832 wrote to memory of 2952	2832	nomwzsxi.exe	43
PID 2832 wrote to memory of 2952	2832	nomwzsxi.exe	43
PID 2832 wrote to memory of 2952	2832	nomwzsxi.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jhhwpazw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2256
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nomwzsxi.exe" C:\Windows\SysWOW64\jhhwpazw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1840
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jhhwpazw binPath= "C:\Windows\SysWOW64\jhhwpazw\nomwzsxi.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2552
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jhhwpazw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2808
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jhhwpazw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2744
- 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:2848

C:\Windows\SysWOW64\jhhwpazw\nomwzsxi.exe
C:\Windows\SysWOW64\jhhwpazw\nomwzsxi.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8f0c7ed7dee073b4d77ebc9ae3e91730.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2832
- 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:2952

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\nomwzsxi.exe

Filesize
14.9MB

MD5
f37460643c047707b72e36a5ec9709fd

SHA1
37bdeecf64d9a73b20372f57ee47cd9c78888489

SHA256
b13c076ff1ee0703550cb1f34cdfaf47c998537041a6962ea055b77cbb3c943f

SHA512
a07db4c1aabec57ad85544d504eef4f8682834ad2bfdf85d1723eb381a24cb6f25bbae82e50ce1aa451d461d67e9a638b34c975f828f4e4197d80e4fea386c26

Download Submit
memory/2832-17-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2912-9-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/2912-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2912-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2912-8-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2912-2-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/2912-1-0x0000000001740000-0x0000000001840000-memory.dmp

Filesize
1024KB

Download
memory/2952-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2952-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2952-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2952-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2952-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads