tofsee | 91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1

Analysis

max time kernel
147s
max time network
151s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:31

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General

Target

JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe
Size

275KB
MD5

063b2c711a6b8465d2a41d4d40f2ca44
SHA1

3fd50df7aaba9b0d0bdbf6562edb27ddbf9c669d
SHA256

91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1
SHA512

ccb06b5c65430058b8a59e707097fae94cd5a9318d031f01e5c27150ef6a53fb6c5778c238aa548cc52337c9b1a476c9f2d65d8c7854ac2bc53eab93584ae963
SSDEEP

3072:Mhcq5Laho8fOlVrtL5A4b/JwPn/yWsDrj651/DLPM7+M/h3:AX5Lwlf6VnW3UUDLPM7+

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

patmushta.info

ovicrush.cn

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\kfihafle = "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
2008	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\kfihafle\ImagePath = "C:\\Windows\\SysWOW64\\kfihafle\\vaxazqu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2932	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2116	vaxazqu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2116 set thread context of 2932	2116	vaxazqu.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2756	sc.exe
2684	sc.exe
2632	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	vaxazqu.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.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 2880 wrote to memory of 3016	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	30
PID 2880 wrote to memory of 3016	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	30
PID 2880 wrote to memory of 3016	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	30
PID 2880 wrote to memory of 3016	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	30
PID 2880 wrote to memory of 2940	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	32
PID 2880 wrote to memory of 2940	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	32
PID 2880 wrote to memory of 2940	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	32
PID 2880 wrote to memory of 2940	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	32
PID 2880 wrote to memory of 2684	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	34
PID 2880 wrote to memory of 2684	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	34
PID 2880 wrote to memory of 2684	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	34
PID 2880 wrote to memory of 2684	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	34
PID 2880 wrote to memory of 2632	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	36
PID 2880 wrote to memory of 2632	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	36
PID 2880 wrote to memory of 2632	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	36
PID 2880 wrote to memory of 2632	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	36
PID 2880 wrote to memory of 2756	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	38
PID 2880 wrote to memory of 2756	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	38
PID 2880 wrote to memory of 2756	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	38
PID 2880 wrote to memory of 2756	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	38
PID 2880 wrote to memory of 2008	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	41
PID 2880 wrote to memory of 2008	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	41
PID 2880 wrote to memory of 2008	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	41
PID 2880 wrote to memory of 2008	2880	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	41
PID 2116 wrote to memory of 2932	2116	vaxazqu.exe	43
PID 2116 wrote to memory of 2932	2116	vaxazqu.exe	43
PID 2116 wrote to memory of 2932	2116	vaxazqu.exe	43
PID 2116 wrote to memory of 2932	2116	vaxazqu.exe	43
PID 2116 wrote to memory of 2932	2116	vaxazqu.exe	43
PID 2116 wrote to memory of 2932	2116	vaxazqu.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kfihafle\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vaxazqu.exe" C:\Windows\SysWOW64\kfihafle\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kfihafle binPath= "C:\Windows\SysWOW64\kfihafle\vaxazqu.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.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 kfihafle "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2632
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kfihafle
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2756
- 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:2008

C:\Windows\SysWOW64\kfihafle\vaxazqu.exe
C:\Windows\SysWOW64\kfihafle\vaxazqu.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- 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:2932

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\vaxazqu.exe

Filesize
13.2MB

MD5
cde7a748c4124acd06a6455f5d008dc3

SHA1
1b143af1a9ebbd6a2c7ce7b7b429c0aff9b47bef

SHA256
9f44108b094533914f7ac30d0838acd0f39ff0d02f93b517d236bfbb139a748d

SHA512
3f1bebda4f87d7b158962db4809c2c9b3c890bfa4edf61842f580882a5c7244ad48fd2131c849d4ea484841530aea873957967e4b666db7259d3be1c67558833

Download Submit
memory/2116-16-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2880-7-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2880-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2880-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2880-8-0x0000000000020000-0x000000000002D000-memory.dmp

Filesize
52KB

Download
memory/2880-1-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2880-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2880-0-0x0000000000020000-0x000000000002D000-memory.dmp

Filesize
52KB

Download
memory/2932-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2932-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2932-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2932-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2932-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads