tofsee | 7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24

Analysis

max time kernel
147s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 00:10

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General

Target
JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe
Size 247KB
Sample241230-af35js1nfm
SHA256 7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24
MD5 d23ae6b656e69571bec33d1d66040b62
SHA1 7fbbda8293662d9ea6c6ce5e93a3f87e6d309ab4
SHA512 9f8f4ba57ef42855038e670a858ff67d9aea9543199cc8028ee1c17d3a3bda389fe15e0f106342cd3f9657f6201d28ac580a039d74b74da09935353c614cadd9
SSDEEP 6144:/LHu867AvjovMgt2tJdzPUywFsDYjOuzbgwu6QigabwVf:K867vltUJdzcywFqunn5
MD5 SHA1 SHA512 SSDEEP

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
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
2212	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\xhpulqh\ImagePath = "C:\\Windows\\SysWOW64\\xhpulqh\\sbksgygp.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe

Deletes itself 1 IoCs

pid	Process
1620	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1748	sbksgygp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 1620	1748	sbksgygp.exe	97

Launches sc.exe 3 IoCs

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

pid	Process
956	sc.exe
1560	sc.exe
1140	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3612	1240	WerFault.exe	81
2408	1748	WerFault.exe	92

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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbksgygp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.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	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1240 wrote to memory of 2388	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	82
PID 1240 wrote to memory of 2388	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	82
PID 1240 wrote to memory of 2388	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	82
PID 1240 wrote to memory of 2236	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	84
PID 1240 wrote to memory of 2236	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	84
PID 1240 wrote to memory of 2236	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	84
PID 1240 wrote to memory of 956	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	86
PID 1240 wrote to memory of 956	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	86
PID 1240 wrote to memory of 956	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	86
PID 1240 wrote to memory of 1560	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	88
PID 1240 wrote to memory of 1560	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	88
PID 1240 wrote to memory of 1560	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	88
PID 1240 wrote to memory of 1140	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	90
PID 1240 wrote to memory of 1140	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	90
PID 1240 wrote to memory of 1140	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	90
PID 1240 wrote to memory of 2212	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	93
PID 1240 wrote to memory of 2212	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	93
PID 1240 wrote to memory of 2212	1240	JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe	93
PID 1748 wrote to memory of 1620	1748	sbksgygp.exe	97
PID 1748 wrote to memory of 1620	1748	sbksgygp.exe	97
PID 1748 wrote to memory of 1620	1748	sbksgygp.exe	97
PID 1748 wrote to memory of 1620	1748	sbksgygp.exe	97
PID 1748 wrote to memory of 1620	1748	sbksgygp.exe	97

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xhpulqh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2388
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sbksgygp.exe" C:\Windows\SysWOW64\xhpulqh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2236
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xhpulqh binPath= "C:\Windows\SysWOW64\xhpulqh\sbksgygp.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:956
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xhpulqh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1560
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xhpulqh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1140
- 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:2212
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 1200
  2⤵
  - Program crash
  PID:3612

C:\Windows\SysWOW64\xhpulqh\sbksgygp.exe
C:\Windows\SysWOW64\xhpulqh\sbksgygp.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1620
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 512
  2⤵
  - Program crash
  PID:2408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1240 -ip 1240
1⤵
PID:3204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1748 -ip 1748
1⤵
PID:1332

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

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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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sbksgygp.exe

Path C:\Users\Admin\AppData\Local\Temp\sbksgygp.exe
Size 10.2MB
SHA256 365e683a259353e5b2664903617dcdf0a98a96787018657ee76fc5d2897a3854
MD5 fd3e56c3a13c2e03c2de5b5b99284a6e
SHA1 17a1c410fdccbdd55e5984137c085d245cb8ce2b
SHA512 8292a9c03c0c6487dcbe6c25d5d1bbc8f493905e77b7dd1ec305707a64028e67cfbaaf966f3825845c315e4553c4b93609b8c270c3268db2040702451abb85d1
SSDEEP 24576:s7vlWS5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5P:CW
MD5 SHA1 SHA512 SSDEEP

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memory/1240-0-0x0000000002190000-0x000000000219D000-memory.dmp

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memory/1240-1-0x00000000021A0000-0x00000000021B3000-memory.dmp

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memory/1240-2-0x0000000000400000-0x0000000000415000-memory.dmp

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memory/1240-14-0x0000000002190000-0x000000000219D000-memory.dmp

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memory/1240-15-0x00000000021A0000-0x00000000021B3000-memory.dmp

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memory/1240-16-0x0000000000400000-0x0000000000415000-memory.dmp

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memory/1240-13-0x0000000000400000-0x0000000000447000-memory.dmp

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memory/1620-12-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1620-9-0x0000000000E90000-0x0000000000EA5000-memory.dmp

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memory/1620-19-0x0000000000E90000-0x0000000000EA5000-memory.dmp

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memory/1620-20-0x0000000000E90000-0x0000000000EA5000-memory.dmp

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memory/1748-8-0x0000000000400000-0x0000000000447000-memory.dmp

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memory/1748-18-0x0000000000400000-0x0000000000447000-memory.dmp

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memory/1748-7-0x0000000000400000-0x0000000000447000-memory.dmp

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memory/1748-6-0x0000000000400000-0x0000000000447000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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