tofsee | 2752e686bece3bcbed58f43149fb9432050ec5912a23a9b5223b5b28bfa06c5c

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 16:43

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General

Target

JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe
Size

14.5MB
MD5

2ed4d294c9be6a8a2dec9f2c818e23e8
SHA1

51abe63d2c568714126dfc49ccf213998fa49882
SHA256

2752e686bece3bcbed58f43149fb9432050ec5912a23a9b5223b5b28bfa06c5c
SHA512

a0aa05c09d8b278c2abca570f8c9ccfadd8a14bb8675dbfdbf43547bf67a12e31ddbaf44bdc0bed2039cab69973ccfd058e674da14fa03f88f53bc1486dec4ba
SSDEEP

6144:fSP2GmiErAKEjgoUYRxiPnkIW2p6/hR6bPz/9hniF:mdEkf5UmiE2pagL9hi

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\xdicgihq = "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
2784	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\xdicgihq\ImagePath = "C:\\Windows\\SysWOW64\\xdicgihq\\siiixoum.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1308	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2720	siiixoum.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2720 set thread context of 1308	2720	siiixoum.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2684	sc.exe
2820	sc.exe
2572	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	cmd.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	siiixoum.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2768	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	30
PID 2396 wrote to memory of 2768	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	30
PID 2396 wrote to memory of 2768	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	30
PID 2396 wrote to memory of 2768	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	30
PID 2396 wrote to memory of 2696	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	32
PID 2396 wrote to memory of 2696	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	32
PID 2396 wrote to memory of 2696	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	32
PID 2396 wrote to memory of 2696	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	32
PID 2396 wrote to memory of 2684	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	34
PID 2396 wrote to memory of 2684	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	34
PID 2396 wrote to memory of 2684	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	34
PID 2396 wrote to memory of 2684	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	34
PID 2396 wrote to memory of 2820	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	36
PID 2396 wrote to memory of 2820	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	36
PID 2396 wrote to memory of 2820	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	36
PID 2396 wrote to memory of 2820	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	36
PID 2396 wrote to memory of 2572	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	38
PID 2396 wrote to memory of 2572	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	38
PID 2396 wrote to memory of 2572	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	38
PID 2396 wrote to memory of 2572	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	38
PID 2396 wrote to memory of 2784	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	41
PID 2396 wrote to memory of 2784	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	41
PID 2396 wrote to memory of 2784	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	41
PID 2396 wrote to memory of 2784	2396	JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe	41
PID 2720 wrote to memory of 1308	2720	siiixoum.exe	43
PID 2720 wrote to memory of 1308	2720	siiixoum.exe	43
PID 2720 wrote to memory of 1308	2720	siiixoum.exe	43
PID 2720 wrote to memory of 1308	2720	siiixoum.exe	43
PID 2720 wrote to memory of 1308	2720	siiixoum.exe	43
PID 2720 wrote to memory of 1308	2720	siiixoum.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xdicgihq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\siiixoum.exe" C:\Windows\SysWOW64\xdicgihq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2696
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xdicgihq binPath= "C:\Windows\SysWOW64\xdicgihq\siiixoum.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2684
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xdicgihq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2820
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xdicgihq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2572
- 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:2784

C:\Windows\SysWOW64\xdicgihq\siiixoum.exe
C:\Windows\SysWOW64\xdicgihq\siiixoum.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ed4d294c9be6a8a2dec9f2c818e23e8.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- 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:1308

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\siiixoum.exe

Filesize
12.6MB

MD5
ee8de61b35943bff88cc2389aff01356

SHA1
78fa1b9a4a8fd65c32097a58fca40903d057f1fc

SHA256
03e0fa0b307d38f969bb3a1b27cef8263ffa4c72dc055f82c9291c5e1d066563

SHA512
38524e3265abe69799f1dee98bbc7ebf60da2f972897e9021b859fc408c3fb967df360070ac8f1c451a08d537322d1e75bfab8ccd4185016d6e2a265441ccfba

Download Submit
memory/1308-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1308-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1308-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1308-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1308-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2396-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2396-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2396-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2396-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2396-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2396-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/2720-16-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads