tofsee | 868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 12:51

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General

Target

JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe
Size

295KB
MD5

049203f243f9131a13939ac0cb01dde9
SHA1

be3918792fcbfaa050ff6b2d61e3645f431deed3
SHA256

868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b
SHA512

6a28041c3bff8e44fbcea472042d039efcb74138bf6d9de547c4c4b584509bfc9c41f32e21e826f791dee6ace0c94c5639da3c02bc3ec57ca3decf292b3e00cd
SSDEEP

6144:dRYINfi/6dMxoojfen4W2FQblf3yE92C:dn6IMxooK4W2FQd3pD

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

patmushta.info

parubey.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\mttskwcb = "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
2792	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\mttskwcb\ImagePath = "C:\\Windows\\SysWOW64\\mttskwcb\\jqhqeqja.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2196	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	jqhqeqja.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 2196	2756	jqhqeqja.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
3060	sc.exe
2440	sc.exe
2464	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	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jqhqeqja.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 1796	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	30
PID 2064 wrote to memory of 1796	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	30
PID 2064 wrote to memory of 1796	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	30
PID 2064 wrote to memory of 1796	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	30
PID 2064 wrote to memory of 2500	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	32
PID 2064 wrote to memory of 2500	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	32
PID 2064 wrote to memory of 2500	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	32
PID 2064 wrote to memory of 2500	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	32
PID 2064 wrote to memory of 2464	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	34
PID 2064 wrote to memory of 2464	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	34
PID 2064 wrote to memory of 2464	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	34
PID 2064 wrote to memory of 2464	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	34
PID 2064 wrote to memory of 3060	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	36
PID 2064 wrote to memory of 3060	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	36
PID 2064 wrote to memory of 3060	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	36
PID 2064 wrote to memory of 3060	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	36
PID 2064 wrote to memory of 2440	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	38
PID 2064 wrote to memory of 2440	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	38
PID 2064 wrote to memory of 2440	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	38
PID 2064 wrote to memory of 2440	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	38
PID 2064 wrote to memory of 2792	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	41
PID 2064 wrote to memory of 2792	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	41
PID 2064 wrote to memory of 2792	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	41
PID 2064 wrote to memory of 2792	2064	JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe	41
PID 2756 wrote to memory of 2196	2756	jqhqeqja.exe	44
PID 2756 wrote to memory of 2196	2756	jqhqeqja.exe	44
PID 2756 wrote to memory of 2196	2756	jqhqeqja.exe	44
PID 2756 wrote to memory of 2196	2756	jqhqeqja.exe	44
PID 2756 wrote to memory of 2196	2756	jqhqeqja.exe	44
PID 2756 wrote to memory of 2196	2756	jqhqeqja.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mttskwcb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1796
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jqhqeqja.exe" C:\Windows\SysWOW64\mttskwcb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2500
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mttskwcb binPath= "C:\Windows\SysWOW64\mttskwcb\jqhqeqja.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2464
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mttskwcb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3060
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mttskwcb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2440
- 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:2792

C:\Windows\SysWOW64\mttskwcb\jqhqeqja.exe
C:\Windows\SysWOW64\mttskwcb\jqhqeqja.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_868141fac9696831f591de2c4c97e7a8b2f48410967beca6be205f442732918b.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- 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:2196

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\jqhqeqja.exe

Filesize
12.0MB

MD5
c5ece164c14111a2c53097a9170a8336

SHA1
58461378607c735eebc1aa7760eb844d45771692

SHA256
cdd55e75d824fc62d0d8aca83cff9ca9cc86f00188e4bdb7236b9c020e6944e8

SHA512
146e57fcab76b31cd81fd3f4eb65fe421bd429e5683553f7f2e73db951a3be1cee0d3e2047367ee317b89860c7734150a2f0c9f9ccb83759167712fe9a87246f

Download Submit
memory/2064-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2064-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2064-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2064-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2064-9-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/2064-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/2064-7-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2196-15-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2196-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2196-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2196-12-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2196-19-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2756-17-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads