tofsee | e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec

Analysis

max time kernel
144s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 19:52

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General

Target

JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe
Size

234KB
MD5

c0e15986413e5b830d1228f358247bb0
SHA1

9b4bbf48e3cb01e0e69a7f204580a3fa2a391115
SHA256

e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec
SHA512

175aeee3d81d94c2c23f56cf13870090e540038d29aa47b99c0f54e876d9d62bbfd37119ed1deb3776402ed9d24268816013e90d93b52790108f2a4d84014751
SSDEEP

6144:Po+nN6bo6whkr0QGZPGe/O7oli8bbR/HmB:P1nN6bo6wi0QGZj/O1yJs

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\dbpjthbb = "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
2744	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\dbpjthbb\ImagePath = "C:\\Windows\\SysWOW64\\dbpjthbb\\wmmmbsyq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2780	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2636	wmmmbsyq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2636 set thread context of 2780	2636	wmmmbsyq.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2788	sc.exe
3020	sc.exe
2052	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	wmmmbsyq.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	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_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2972	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	30
PID 2336 wrote to memory of 2972	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	30
PID 2336 wrote to memory of 2972	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	30
PID 2336 wrote to memory of 2972	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	30
PID 2336 wrote to memory of 1836	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	32
PID 2336 wrote to memory of 1836	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	32
PID 2336 wrote to memory of 1836	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	32
PID 2336 wrote to memory of 1836	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	32
PID 2336 wrote to memory of 2052	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	34
PID 2336 wrote to memory of 2052	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	34
PID 2336 wrote to memory of 2052	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	34
PID 2336 wrote to memory of 2052	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	34
PID 2336 wrote to memory of 2788	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	36
PID 2336 wrote to memory of 2788	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	36
PID 2336 wrote to memory of 2788	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	36
PID 2336 wrote to memory of 2788	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	36
PID 2336 wrote to memory of 3020	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	38
PID 2336 wrote to memory of 3020	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	38
PID 2336 wrote to memory of 3020	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	38
PID 2336 wrote to memory of 3020	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	38
PID 2336 wrote to memory of 2744	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	41
PID 2336 wrote to memory of 2744	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	41
PID 2336 wrote to memory of 2744	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	41
PID 2336 wrote to memory of 2744	2336	JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe	41
PID 2636 wrote to memory of 2780	2636	wmmmbsyq.exe	43
PID 2636 wrote to memory of 2780	2636	wmmmbsyq.exe	43
PID 2636 wrote to memory of 2780	2636	wmmmbsyq.exe	43
PID 2636 wrote to memory of 2780	2636	wmmmbsyq.exe	43
PID 2636 wrote to memory of 2780	2636	wmmmbsyq.exe	43
PID 2636 wrote to memory of 2780	2636	wmmmbsyq.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dbpjthbb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wmmmbsyq.exe" C:\Windows\SysWOW64\dbpjthbb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dbpjthbb binPath= "C:\Windows\SysWOW64\dbpjthbb\wmmmbsyq.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2052
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dbpjthbb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dbpjthbb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3020
- 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:2744

C:\Windows\SysWOW64\dbpjthbb\wmmmbsyq.exe
C:\Windows\SysWOW64\dbpjthbb\wmmmbsyq.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6e047c6487cc3f00d59084d38f831ea6ced3be17ec8a7b1932bbda6d07c09ec.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2636
- 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:2780

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\wmmmbsyq.exe

Filesize
10.8MB

MD5
5a7a5f83a2795bd922dd4d11fc8dfade

SHA1
1130d9a28f5c50d4788c204be4a87ad73c83aeab

SHA256
34e11024e177330e0440dd77fa982992b38f750dc7e2654ce90bb51c03e087e1

SHA512
98ebaaf6e7931f259832f51d102c92fcc9e64b554368956f0f9911a13c77b7de9018434144b06ff8a6beb58ef87b569546566ccaa4d659394b49b2626bd37191

Download Submit
memory/2336-8-0x0000000000400000-0x000000000086A000-memory.dmp

Filesize
4.4MB

Download
memory/2336-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2336-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2336-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2336-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2336-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2636-15-0x0000000000400000-0x000000000086A000-memory.dmp

Filesize
4.4MB

Download
memory/2780-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-14-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2780-11-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2780-17-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2780-16-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2780-18-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads