tofsee | baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57

Analysis

max time kernel
147s
max time network
146s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 21:44

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General

Target

JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe
Size

184KB
MD5

d121e64beade553769f6ef0cc7775e75
SHA1

c1426982e2214c2affc2064f24cccd08cda07c3c
SHA256

baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57
SHA512

9932b163d97d30f4eb19f4498be9daac3ee8bf8bff7e9759058a383682caf65031f4cc8b3df5a381f788a456d3089b6da0566c0c422b144e110490f4a79871a7
SSDEEP

3072:JSmyTMOQe57yLWiwluxvHKiOLnaY3MPZPwLvYOYhgC:JUTMHeYz/KDnj8PLOk

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\mebtpfij = "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
2540	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\mebtpfij\ImagePath = "C:\\Windows\\SysWOW64\\mebtpfij\\smiozjbh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2972	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2596	smiozjbh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2596 set thread context of 2972	2596	smiozjbh.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2664	sc.exe
2872	sc.exe
2676	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	smiozjbh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2736	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	30
PID 2632 wrote to memory of 2736	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	30
PID 2632 wrote to memory of 2736	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	30
PID 2632 wrote to memory of 2736	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	30
PID 2632 wrote to memory of 2884	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	32
PID 2632 wrote to memory of 2884	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	32
PID 2632 wrote to memory of 2884	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	32
PID 2632 wrote to memory of 2884	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	32
PID 2632 wrote to memory of 2664	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	34
PID 2632 wrote to memory of 2664	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	34
PID 2632 wrote to memory of 2664	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	34
PID 2632 wrote to memory of 2664	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	34
PID 2632 wrote to memory of 2872	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	36
PID 2632 wrote to memory of 2872	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	36
PID 2632 wrote to memory of 2872	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	36
PID 2632 wrote to memory of 2872	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	36
PID 2632 wrote to memory of 2676	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	38
PID 2632 wrote to memory of 2676	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	38
PID 2632 wrote to memory of 2676	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	38
PID 2632 wrote to memory of 2676	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	38
PID 2632 wrote to memory of 2540	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	41
PID 2632 wrote to memory of 2540	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	41
PID 2632 wrote to memory of 2540	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	41
PID 2632 wrote to memory of 2540	2632	JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe	41
PID 2596 wrote to memory of 2972	2596	smiozjbh.exe	43
PID 2596 wrote to memory of 2972	2596	smiozjbh.exe	43
PID 2596 wrote to memory of 2972	2596	smiozjbh.exe	43
PID 2596 wrote to memory of 2972	2596	smiozjbh.exe	43
PID 2596 wrote to memory of 2972	2596	smiozjbh.exe	43
PID 2596 wrote to memory of 2972	2596	smiozjbh.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mebtpfij\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2736
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\smiozjbh.exe" C:\Windows\SysWOW64\mebtpfij\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2884
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mebtpfij binPath= "C:\Windows\SysWOW64\mebtpfij\smiozjbh.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mebtpfij "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mebtpfij
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2676
- 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:2540

C:\Windows\SysWOW64\mebtpfij\smiozjbh.exe
C:\Windows\SysWOW64\mebtpfij\smiozjbh.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_baed73b9a7011be9797591a25769774a83bbefb8a71e5d26b794f4ff889dcd57.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- 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:2972

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\smiozjbh.exe

Filesize
14.3MB

MD5
f2b29e78b779f34d8a5635987ad58de2

SHA1
6481925470e775ab8ab1374735e11a6288488403

SHA256
416ebd323c516c32cd8e12f8670f6d8fc45f94538026b9002fd61a79437a919c

SHA512
f2a9a5ed7238e18f813c406c00fb8d3ba6f090906d5519db25e4f05da988247607662df72445329600528fb27eb10e2170b0ff8392f09ed77cc95dff219fe12f

Download Submit
memory/2596-17-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2632-8-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2632-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2632-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2632-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2632-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/2632-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2972-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2972-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2972-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2972-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2972-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads