tofsee | 4cd18aa5224d0d65b237774ae232b11bf9dd9a722e2707dce442f843e571ff71

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
11-12-2024 08:31

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General

Target

e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe
Size

11.6MB
MD5

e0a170a43c2af3360b666b2aa742fbd2
SHA1

a8a594c2742acbc4ee2adcad2b94eddc25357c32
SHA256

4cd18aa5224d0d65b237774ae232b11bf9dd9a722e2707dce442f843e571ff71
SHA512

a67c44b013daf360812d5b1009007db4c6ff846429aed8261bbfab6778e41c3f07409d3e9ab05f61ac7db77d96bccb00d10b8521208dd0420527b8855fdd15bf
SSDEEP

6144:BeeKozztQBnWJ4ZF+PAb1nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn:BeeKozCBnuA

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\kmxirway = "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
2248	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\kmxirway\ImagePath = "C:\\Windows\\SysWOW64\\kmxirway\\psqlfmwg.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1296	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2628	psqlfmwg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2628 set thread context of 1296	2628	psqlfmwg.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
1528	sc.exe
2804	sc.exe
2568	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	psqlfmwg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 2676	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	30
PID 2780 wrote to memory of 2676	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	30
PID 2780 wrote to memory of 2676	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	30
PID 2780 wrote to memory of 2676	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	30
PID 2780 wrote to memory of 2996	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	32
PID 2780 wrote to memory of 2996	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	32
PID 2780 wrote to memory of 2996	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	32
PID 2780 wrote to memory of 2996	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	32
PID 2780 wrote to memory of 1528	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	34
PID 2780 wrote to memory of 1528	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	34
PID 2780 wrote to memory of 1528	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	34
PID 2780 wrote to memory of 1528	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	34
PID 2780 wrote to memory of 2804	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	36
PID 2780 wrote to memory of 2804	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	36
PID 2780 wrote to memory of 2804	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	36
PID 2780 wrote to memory of 2804	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	36
PID 2780 wrote to memory of 2568	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	38
PID 2780 wrote to memory of 2568	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	38
PID 2780 wrote to memory of 2568	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	38
PID 2780 wrote to memory of 2568	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	38
PID 2780 wrote to memory of 2248	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	41
PID 2780 wrote to memory of 2248	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	41
PID 2780 wrote to memory of 2248	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	41
PID 2780 wrote to memory of 2248	2780	e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe	41
PID 2628 wrote to memory of 1296	2628	psqlfmwg.exe	43
PID 2628 wrote to memory of 1296	2628	psqlfmwg.exe	43
PID 2628 wrote to memory of 1296	2628	psqlfmwg.exe	43
PID 2628 wrote to memory of 1296	2628	psqlfmwg.exe	43
PID 2628 wrote to memory of 1296	2628	psqlfmwg.exe	43
PID 2628 wrote to memory of 1296	2628	psqlfmwg.exe	43

C:\Users\Admin\AppData\Local\Temp\e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kmxirway\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2676
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\psqlfmwg.exe" C:\Windows\SysWOW64\kmxirway\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2996
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kmxirway binPath= "C:\Windows\SysWOW64\kmxirway\psqlfmwg.exe /d\"C:\Users\Admin\AppData\Local\Temp\e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1528
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kmxirway "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kmxirway
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2568
- 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:2248

C:\Windows\SysWOW64\kmxirway\psqlfmwg.exe
C:\Windows\SysWOW64\kmxirway\psqlfmwg.exe /d"C:\Users\Admin\AppData\Local\Temp\e0a170a43c2af3360b666b2aa742fbd2_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628
- 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:1296

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\psqlfmwg.exe

Filesize
10.9MB

MD5
ab70e42d97b68173eaab248b2e800422

SHA1
ecaab0c3ecd8c28d46db9e3548371dc37819ac9b

SHA256
6abbbbbc6fc2e724079079696fdad6c634a86e922701f7fbf723080ce0389ccc

SHA512
00443c7e5d3796f107ed8f59fa8dfa0351d3b88cfa2a5c91d857e2c221b784c4ee3ab46840298f6fbb721d8ef8979dd1890fd0a3bc0cea0e23cc59c3db3620cf

Download Submit
memory/1296-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1296-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1296-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1296-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1296-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2628-18-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download
memory/2780-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2780-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2780-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2780-8-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download
memory/2780-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2780-10-0x0000000000A40000-0x0000000000B40000-memory.dmp

Filesize
1024KB

Download
memory/2780-1-0x0000000000A40000-0x0000000000B40000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads