tofsee | f8bd0553de1b1294e0479422afa9dfaf07838fa1aede326e71610e35b2de7ce4

Analysis

max time kernel
145s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04-11-2024 04:49

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General

Target

8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe
Size

10.8MB
MD5

8f3c0b728b9123ddec273a9578aee70f
SHA1

33dd24ff4dd00f287a8a17f4eb6914732ce6dbbe
SHA256

f8bd0553de1b1294e0479422afa9dfaf07838fa1aede326e71610e35b2de7ce4
SHA512

769272b5a61f121c63b3beb2c468be0571665906adc870966a13a530daf7ab30ca0dd4947b1164c56ca30e89154788093f2720382c1c2cd48f786fd70087a168
SSDEEP

24576:Qd6E8xWmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmG:e6b

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\ebhinxnw = "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
1912	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\ebhinxnw\ImagePath = "C:\\Windows\\SysWOW64\\ebhinxnw\\ubzkpkym.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2216	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2732	ubzkpkym.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 2216	2732	ubzkpkym.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2144	sc.exe
2840	sc.exe
2652	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ubzkpkym.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	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2936	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	30
PID 1680 wrote to memory of 2936	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	30
PID 1680 wrote to memory of 2936	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	30
PID 1680 wrote to memory of 2936	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	30
PID 1680 wrote to memory of 2796	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	32
PID 1680 wrote to memory of 2796	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	32
PID 1680 wrote to memory of 2796	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	32
PID 1680 wrote to memory of 2796	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	32
PID 1680 wrote to memory of 2144	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	34
PID 1680 wrote to memory of 2144	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	34
PID 1680 wrote to memory of 2144	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	34
PID 1680 wrote to memory of 2144	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	34
PID 1680 wrote to memory of 2840	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	36
PID 1680 wrote to memory of 2840	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	36
PID 1680 wrote to memory of 2840	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	36
PID 1680 wrote to memory of 2840	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	36
PID 1680 wrote to memory of 2652	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	38
PID 1680 wrote to memory of 2652	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	38
PID 1680 wrote to memory of 2652	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	38
PID 1680 wrote to memory of 2652	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	38
PID 1680 wrote to memory of 1912	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	41
PID 1680 wrote to memory of 1912	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	41
PID 1680 wrote to memory of 1912	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	41
PID 1680 wrote to memory of 1912	1680	8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe	41
PID 2732 wrote to memory of 2216	2732	ubzkpkym.exe	43
PID 2732 wrote to memory of 2216	2732	ubzkpkym.exe	43
PID 2732 wrote to memory of 2216	2732	ubzkpkym.exe	43
PID 2732 wrote to memory of 2216	2732	ubzkpkym.exe	43
PID 2732 wrote to memory of 2216	2732	ubzkpkym.exe	43
PID 2732 wrote to memory of 2216	2732	ubzkpkym.exe	43

C:\Users\Admin\AppData\Local\Temp\8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ebhinxnw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2936
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ubzkpkym.exe" C:\Windows\SysWOW64\ebhinxnw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2796
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ebhinxnw binPath= "C:\Windows\SysWOW64\ebhinxnw\ubzkpkym.exe /d\"C:\Users\Admin\AppData\Local\Temp\8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2144
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ebhinxnw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2840
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ebhinxnw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2652
- 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:1912

C:\Windows\SysWOW64\ebhinxnw\ubzkpkym.exe
C:\Windows\SysWOW64\ebhinxnw\ubzkpkym.exe /d"C:\Users\Admin\AppData\Local\Temp\8f3c0b728b9123ddec273a9578aee70f_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2732
- 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:2216

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\ubzkpkym.exe

Filesize
10.5MB

MD5
95efaacc96575efa1a49ae6e958a563b

SHA1
43128d3f94b36815333d7563e9e4c8505bd9d841

SHA256
6210d5d5134159da2b595d4819588053e9636568a1910cf1aa2095feef5851b9

SHA512
bb913522a52cfb878b7783940ca67f7e910cb49c1fcaa27e4b1480c9a0d6375e265978c17fedfb52e5080c6a2deaca56ac2d16027c53ea933255b93d0b33af2c

Download Submit
memory/1680-8-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/1680-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1680-1-0x0000000000570000-0x0000000000670000-memory.dmp

Filesize
1024KB

Download
memory/1680-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1680-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1680-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2216-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2216-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2216-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2216-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2216-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2732-17-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads