tofsee | 2bbd19cdc916f6515245ccd581791d15090f06204179e934f05a92c1bff87625

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-01-2025 00:13

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General

Target

JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe
Size

13.3MB
MD5

b460616088a594b836f543781bdc3a8b
SHA1

d92a604e9fed031bd726c2fa161ffce3e25bb385
SHA256

2bbd19cdc916f6515245ccd581791d15090f06204179e934f05a92c1bff87625
SHA512

e09aede42b84304d8ba1cd2e33d6adeccdd85cc24d215cc092d000f5abddb434573a63d42abdf928451aaeb9f386d60e993097dd8dab261b96ccdd660d64cc3a
SSDEEP

49152:f1m333333333333333333333333333333333333333333333333333333333333n:

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\nogveqkh = "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
2828	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\nogveqkh\ImagePath = "C:\\Windows\\SysWOW64\\nogveqkh\\hudabgsf.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2752	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3028	hudabgsf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3028 set thread context of 2752	3028	hudabgsf.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2836	sc.exe
2700	sc.exe
2812	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_b460616088a594b836f543781bdc3a8b.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	netsh.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	hudabgsf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 3004	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	30
PID 1064 wrote to memory of 3004	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	30
PID 1064 wrote to memory of 3004	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	30
PID 1064 wrote to memory of 3004	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	30
PID 1064 wrote to memory of 1916	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	32
PID 1064 wrote to memory of 1916	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	32
PID 1064 wrote to memory of 1916	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	32
PID 1064 wrote to memory of 1916	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	32
PID 1064 wrote to memory of 2836	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	34
PID 1064 wrote to memory of 2836	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	34
PID 1064 wrote to memory of 2836	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	34
PID 1064 wrote to memory of 2836	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	34
PID 1064 wrote to memory of 2700	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	36
PID 1064 wrote to memory of 2700	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	36
PID 1064 wrote to memory of 2700	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	36
PID 1064 wrote to memory of 2700	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	36
PID 1064 wrote to memory of 2812	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	38
PID 1064 wrote to memory of 2812	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	38
PID 1064 wrote to memory of 2812	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	38
PID 1064 wrote to memory of 2812	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	38
PID 1064 wrote to memory of 2828	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	41
PID 1064 wrote to memory of 2828	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	41
PID 1064 wrote to memory of 2828	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	41
PID 1064 wrote to memory of 2828	1064	JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe	41
PID 3028 wrote to memory of 2752	3028	hudabgsf.exe	43
PID 3028 wrote to memory of 2752	3028	hudabgsf.exe	43
PID 3028 wrote to memory of 2752	3028	hudabgsf.exe	43
PID 3028 wrote to memory of 2752	3028	hudabgsf.exe	43
PID 3028 wrote to memory of 2752	3028	hudabgsf.exe	43
PID 3028 wrote to memory of 2752	3028	hudabgsf.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nogveqkh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3004
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hudabgsf.exe" C:\Windows\SysWOW64\nogveqkh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1916
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nogveqkh binPath= "C:\Windows\SysWOW64\nogveqkh\hudabgsf.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nogveqkh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nogveqkh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2812
- 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:2828

C:\Windows\SysWOW64\nogveqkh\hudabgsf.exe
C:\Windows\SysWOW64\nogveqkh\hudabgsf.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b460616088a594b836f543781bdc3a8b.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3028
- 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:2752

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\hudabgsf.exe

Filesize
13.4MB

MD5
c73056d8185c66ef307f8643500ec376

SHA1
8c47114d3f382b630a50d29b1d9233c5c1c2968d

SHA256
06d05c50de8cdc18829b401061e67eaf322f20b4abdff1133b75539d272b90bd

SHA512
c2642e3de74d3842513388b5999811cc313b9242a802c43b42287f7377784c4bffde5f102faa2cb31e78cbbd79a53a4f13beee4bb81b64e509ada0033585b1a3

Download Submit
memory/1064-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/1064-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1064-4-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/1064-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1064-9-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2752-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2752-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2752-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2752-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2752-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3028-15-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads