tofsee | 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716

Analysis

max time kernel
150s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-01-2025 21:45

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General

Target

JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe
Size

11.3MB
MD5

d318dc7b92c68cddb6ac8e82af8a7439
SHA1

c6fd11ca5e592b4992663d210b0c622e47c6697c
SHA256

23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716
SHA512

e44a44fe52d6017ef83aa569ca6c0277e0c8dd09f255e3b68fbbc032703ce8deee7f40c887abfe3feac291e63baa62e04098ad43ab15e2df3476cc731995c945
SSDEEP

98304:9EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEU:

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

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\aczjtjmr = "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
2564	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\aczjtjmr\ImagePath = "C:\\Windows\\SysWOW64\\aczjtjmr\\dpkhonnb.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3068	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2608	dpkhonnb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2608 set thread context of 3068	2608	dpkhonnb.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2272	sc.exe
2948	sc.exe
2768	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	dpkhonnb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 2772	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	30
PID 1552 wrote to memory of 2772	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	30
PID 1552 wrote to memory of 2772	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	30
PID 1552 wrote to memory of 2772	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	30
PID 1552 wrote to memory of 2812	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	32
PID 1552 wrote to memory of 2812	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	32
PID 1552 wrote to memory of 2812	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	32
PID 1552 wrote to memory of 2812	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	32
PID 1552 wrote to memory of 2272	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	34
PID 1552 wrote to memory of 2272	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	34
PID 1552 wrote to memory of 2272	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	34
PID 1552 wrote to memory of 2272	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	34
PID 1552 wrote to memory of 2948	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	36
PID 1552 wrote to memory of 2948	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	36
PID 1552 wrote to memory of 2948	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	36
PID 1552 wrote to memory of 2948	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	36
PID 1552 wrote to memory of 2768	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	38
PID 1552 wrote to memory of 2768	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	38
PID 1552 wrote to memory of 2768	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	38
PID 1552 wrote to memory of 2768	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	38
PID 1552 wrote to memory of 2564	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	41
PID 1552 wrote to memory of 2564	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	41
PID 1552 wrote to memory of 2564	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	41
PID 1552 wrote to memory of 2564	1552	JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe	41
PID 2608 wrote to memory of 3068	2608	dpkhonnb.exe	43
PID 2608 wrote to memory of 3068	2608	dpkhonnb.exe	43
PID 2608 wrote to memory of 3068	2608	dpkhonnb.exe	43
PID 2608 wrote to memory of 3068	2608	dpkhonnb.exe	43
PID 2608 wrote to memory of 3068	2608	dpkhonnb.exe	43
PID 2608 wrote to memory of 3068	2608	dpkhonnb.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aczjtjmr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2772
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dpkhonnb.exe" C:\Windows\SysWOW64\aczjtjmr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create aczjtjmr binPath= "C:\Windows\SysWOW64\aczjtjmr\dpkhonnb.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2272
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description aczjtjmr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start aczjtjmr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2768
- 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:2564

C:\Windows\SysWOW64\aczjtjmr\dpkhonnb.exe
C:\Windows\SysWOW64\aczjtjmr\dpkhonnb.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d318dc7b92c68cddb6ac8e82af8a7439.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2608
- 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:3068

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\dpkhonnb.exe

Filesize
14.8MB

MD5
4cff586081e90d68890810c5f8f6202b

SHA1
f7589a71cc7cea6c515bece735862dad669b04a8

SHA256
8fcc90c43c20e26cf7cdd5de7b123d0c0254b7f904594cc6af2d9e0558321345

SHA512
fa19fa619b40bb97b337e71bea2455aff1aeccd13ed1d099bb5353b1d114b8fc1f1097cda1a5b9976d5d147ba401d76c2e53d1c8284f7e65c1c126b74ac87a1a

Download Submit
memory/1552-8-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1552-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1552-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1552-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1552-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1552-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2608-17-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3068-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3068-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3068-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3068-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3068-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads