tofsee | 2482d2eeaa9f6877ec7505bd6cd92d1cd6b2014947f5aed110ef0859b5ca9f6d

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 05:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe
Size

12.4MB
MD5

6306de9ef95eb74853a69952775fc37b
SHA1

46479c841dab0934923c48dfb59059e056892ebe
SHA256

2482d2eeaa9f6877ec7505bd6cd92d1cd6b2014947f5aed110ef0859b5ca9f6d
SHA512

b55aa1cc984c4512d2e9cbb5eb211de454e3f5836092cb492647221fb873bd2f9387906047fcb3643b457f483799f20c7fe64aff1f4d6b6feb1d3e9956c16c81
SSDEEP

6144:+NvMXNc7x72uNJFeTgkYIvpjkHp2e7z+/uyAmMGwDkqyyyyyyyyyyyyyyyyyyyy+:+NvM9i7fNJFeTgk9BjkHp2Euu1mr

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru

lakeflex.ru

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\zhkdddmv = "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
2716	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\zhkdddmv\ImagePath = "C:\\Windows\\SysWOW64\\zhkdddmv\\byjomwtq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2276	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2844	byjomwtq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2844 set thread context of 2276	2844	byjomwtq.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2428	sc.exe
2248	sc.exe
2868	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_6306de9ef95eb74853a69952775fc37b.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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	byjomwtq.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 1436	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	30
PID 3064 wrote to memory of 1436	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	30
PID 3064 wrote to memory of 1436	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	30
PID 3064 wrote to memory of 1436	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	30
PID 3064 wrote to memory of 1920	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	32
PID 3064 wrote to memory of 1920	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	32
PID 3064 wrote to memory of 1920	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	32
PID 3064 wrote to memory of 1920	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	32
PID 3064 wrote to memory of 2428	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	34
PID 3064 wrote to memory of 2428	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	34
PID 3064 wrote to memory of 2428	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	34
PID 3064 wrote to memory of 2428	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	34
PID 3064 wrote to memory of 2248	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	36
PID 3064 wrote to memory of 2248	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	36
PID 3064 wrote to memory of 2248	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	36
PID 3064 wrote to memory of 2248	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	36
PID 3064 wrote to memory of 2868	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	38
PID 3064 wrote to memory of 2868	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	38
PID 3064 wrote to memory of 2868	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	38
PID 3064 wrote to memory of 2868	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	38
PID 3064 wrote to memory of 2716	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	41
PID 3064 wrote to memory of 2716	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	41
PID 3064 wrote to memory of 2716	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	41
PID 3064 wrote to memory of 2716	3064	JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe	41
PID 2844 wrote to memory of 2276	2844	byjomwtq.exe	43
PID 2844 wrote to memory of 2276	2844	byjomwtq.exe	43
PID 2844 wrote to memory of 2276	2844	byjomwtq.exe	43
PID 2844 wrote to memory of 2276	2844	byjomwtq.exe	43
PID 2844 wrote to memory of 2276	2844	byjomwtq.exe	43
PID 2844 wrote to memory of 2276	2844	byjomwtq.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zhkdddmv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1436
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\byjomwtq.exe" C:\Windows\SysWOW64\zhkdddmv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1920
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zhkdddmv binPath= "C:\Windows\SysWOW64\zhkdddmv\byjomwtq.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2428
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zhkdddmv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2248
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zhkdddmv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2868
- 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:2716

C:\Windows\SysWOW64\zhkdddmv\byjomwtq.exe
C:\Windows\SysWOW64\zhkdddmv\byjomwtq.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6306de9ef95eb74853a69952775fc37b.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2844
- 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:2276

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\byjomwtq.exe

Filesize
13.3MB

MD5
afa0922237b355dade5702ac21854d8a

SHA1
7e111f90e6b2f3285f524e82cc83ca12f39fd18c

SHA256
55fd72c6b56f9491daf7e1b91d0b658ca65bd7c75b623425043a123e009ba750

SHA512
51fce9030da057393b78f6342f371ea4cb82936d8c8c291f16ecd34c96ab2a13f4e867d5e7b6f4acd562d7f2ca4a3970e47425b5e92f11e7c4557086dd173de8

Download Submit
memory/2276-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2276-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2276-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2276-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2276-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2844-18-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/3064-4-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/3064-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3064-11-0x0000000000BD0000-0x0000000000CD0000-memory.dmp

Filesize
1024KB

Download
memory/3064-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3064-9-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/3064-1-0x0000000000BD0000-0x0000000000CD0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads