tofsee | ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:37

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General

Target

JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe
Size

239KB
MD5

fb89b14c589d0cb97cc349d6a9002b7a
SHA1

5d347475e2737d740061979ecd788a0979defa4a
SHA256

ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c
SHA512

805d48657b5b76dc0b322965be359c24a3a8a98b7e71fa9977275641fd157b4ca35157ed4dbe041af81dbcc0a754217b8c3a57443678357f423cdbd4589c8977
SSDEEP

3072:r8/qMLtEomgzIQ2UChf60a777yx5ZI8iJQjNcxmy6gwH7pgyuwdt:r8CHoLztEhfDI8KGNcFwH4wX

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\jqypwfdh = "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
2640	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\jqypwfdh\ImagePath = "C:\\Windows\\SysWOW64\\jqypwfdh\\rlueruzl.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1576	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2580	rlueruzl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2580 set thread context of 1576	2580	rlueruzl.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2888	sc.exe
2608	sc.exe
2844	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_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.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	svchost.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rlueruzl.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2864	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	31
PID 2676 wrote to memory of 2864	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	31
PID 2676 wrote to memory of 2864	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	31
PID 2676 wrote to memory of 2864	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	31
PID 2676 wrote to memory of 2576	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	33
PID 2676 wrote to memory of 2576	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	33
PID 2676 wrote to memory of 2576	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	33
PID 2676 wrote to memory of 2576	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	33
PID 2676 wrote to memory of 2888	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	35
PID 2676 wrote to memory of 2888	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	35
PID 2676 wrote to memory of 2888	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	35
PID 2676 wrote to memory of 2888	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	35
PID 2676 wrote to memory of 2608	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	37
PID 2676 wrote to memory of 2608	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	37
PID 2676 wrote to memory of 2608	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	37
PID 2676 wrote to memory of 2608	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	37
PID 2676 wrote to memory of 2844	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	39
PID 2676 wrote to memory of 2844	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	39
PID 2676 wrote to memory of 2844	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	39
PID 2676 wrote to memory of 2844	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	39
PID 2676 wrote to memory of 2640	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	42
PID 2676 wrote to memory of 2640	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	42
PID 2676 wrote to memory of 2640	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	42
PID 2676 wrote to memory of 2640	2676	JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe	42
PID 2580 wrote to memory of 1576	2580	rlueruzl.exe	44
PID 2580 wrote to memory of 1576	2580	rlueruzl.exe	44
PID 2580 wrote to memory of 1576	2580	rlueruzl.exe	44
PID 2580 wrote to memory of 1576	2580	rlueruzl.exe	44
PID 2580 wrote to memory of 1576	2580	rlueruzl.exe	44
PID 2580 wrote to memory of 1576	2580	rlueruzl.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jqypwfdh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2864
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rlueruzl.exe" C:\Windows\SysWOW64\jqypwfdh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2576
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jqypwfdh binPath= "C:\Windows\SysWOW64\jqypwfdh\rlueruzl.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2888
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jqypwfdh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2608
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jqypwfdh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2844
- 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:2640

C:\Windows\SysWOW64\jqypwfdh\rlueruzl.exe
C:\Windows\SysWOW64\jqypwfdh\rlueruzl.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2580
- 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:1576

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\rlueruzl.exe

Filesize
10.7MB

MD5
7456863a33a904afbbec0b07a2d3b93c

SHA1
7f3fab759ef9ddfe91e3926fb58bdc0491d35c7b

SHA256
8a39f5fcb4e0f320088726a139ce61a8ee946c76d3c3e0a65da57346b88a7d51

SHA512
578a45992adedcfdeb3f64a6cfa09478c0eb51795ec1fa25bf564007133a9aa3f32f142c7cf04c6342a91b49da0ac8667bad8cd31aed577de4d8c41858a3c977

Download Submit
memory/1576-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1576-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1576-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1576-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1576-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2580-17-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download
memory/2676-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2676-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2676-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2676-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2676-8-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download
memory/2676-1-0x00000000009F0000-0x0000000000AF0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads