tofsee | e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 21:02

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General

Target

JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe
Size

243KB
MD5

0951fa631d9b9f6c0b62c55fa8ff1c18
SHA1

1e5b62640051bb5a70aabd3189e3a09c0864e1c7
SHA256

e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc
SHA512

906bf4be6512c22ed1307fa00feed1590a3e34ba32251640211bbbcc49af33c995f32fb27dcd51fdce525b91fdd1afe1b0a22b6a912f12a521afb29d9e05488c
SSDEEP

6144:TEZQ/ISjbrjw8vNivYFigPcYTzJ8CUlB1NCUw2lqc8:AZMjXjw8vEpgPTPJR2l9

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\lajnoju = "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
2128	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\lajnoju\ImagePath = "C:\\Windows\\SysWOW64\\lajnoju\\jylhtslx.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2820	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3064	jylhtslx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3064 set thread context of 2820	3064	jylhtslx.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
832	sc.exe
3024	sc.exe
2904	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.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	jylhtslx.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2716	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	30
PID 2256 wrote to memory of 2716	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	30
PID 2256 wrote to memory of 2716	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	30
PID 2256 wrote to memory of 2716	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	30
PID 2256 wrote to memory of 2564	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	32
PID 2256 wrote to memory of 2564	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	32
PID 2256 wrote to memory of 2564	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	32
PID 2256 wrote to memory of 2564	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	32
PID 2256 wrote to memory of 832	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	34
PID 2256 wrote to memory of 832	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	34
PID 2256 wrote to memory of 832	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	34
PID 2256 wrote to memory of 832	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	34
PID 2256 wrote to memory of 3024	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	36
PID 2256 wrote to memory of 3024	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	36
PID 2256 wrote to memory of 3024	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	36
PID 2256 wrote to memory of 3024	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	36
PID 2256 wrote to memory of 2904	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	38
PID 2256 wrote to memory of 2904	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	38
PID 2256 wrote to memory of 2904	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	38
PID 2256 wrote to memory of 2904	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	38
PID 2256 wrote to memory of 2128	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	40
PID 2256 wrote to memory of 2128	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	40
PID 2256 wrote to memory of 2128	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	40
PID 2256 wrote to memory of 2128	2256	JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe	40
PID 3064 wrote to memory of 2820	3064	jylhtslx.exe	43
PID 3064 wrote to memory of 2820	3064	jylhtslx.exe	43
PID 3064 wrote to memory of 2820	3064	jylhtslx.exe	43
PID 3064 wrote to memory of 2820	3064	jylhtslx.exe	43
PID 3064 wrote to memory of 2820	3064	jylhtslx.exe	43
PID 3064 wrote to memory of 2820	3064	jylhtslx.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lajnoju\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2716
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jylhtslx.exe" C:\Windows\SysWOW64\lajnoju\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2564
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lajnoju binPath= "C:\Windows\SysWOW64\lajnoju\jylhtslx.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lajnoju "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3024
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lajnoju
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2904
- 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:2128

C:\Windows\SysWOW64\lajnoju\jylhtslx.exe
C:\Windows\SysWOW64\lajnoju\jylhtslx.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6989d9a9bfec4432d36ac3f6ab78bbc5a26e537454dd86fef8ff870c6375dbc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3064
- 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:2820

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\jylhtslx.exe

Filesize
13.3MB

MD5
631bd7e88d457788164007748e5d4ac4

SHA1
78201175626b012cf989d0dddacf34ed861140f1

SHA256
1e4e2a6e8e2b8a7995f1f6f74d055f6de687fb4c4d65f859885129053d8d4c62

SHA512
e9efafd4711583daaf8c3c1c788e46e69c74d87c1dfdedd4090a9d612975dee0e0b1569066368ec8d2ab0a0f0d6fa259abf7fcf405b5b90c88dc281b2883e308

Download Submit
memory/2256-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2256-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2256-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2256-6-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2256-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2256-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2820-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2820-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2820-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2820-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2820-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3064-17-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads