tofsee | d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee

Analysis

max time kernel
147s
max time network
145s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 16:46

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General

Target

JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe
Size

236KB
MD5

d56c8d55c3de102b93d2de0977675269
SHA1

47fc8dc61ec75e3fbec90df6f1260382a7d6a4c1
SHA256

d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee
SHA512

70561bacffc5bf31e0201d4180053f2be081093f89061a3daac0bd8110bfd59b1cf1f5b1204997b3bbceb032f59a151138377203912355c423e424fd8e35091d
SSDEEP

6144:x4Gu7W6nYZOlOH7OxP80PtqJLr9tamsUKPfRYw:xv3YYslOGP80PtqJLr9CvZYw

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\jzdisyxc = "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
2184	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\jzdisyxc\ImagePath = "C:\\Windows\\SysWOW64\\jzdisyxc\\iljeyfpz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2352	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3028	iljeyfpz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3028 set thread context of 2352	3028	iljeyfpz.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2432	sc.exe
2140	sc.exe
2860	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	netsh.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	iljeyfpz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2368	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	30
PID 2084 wrote to memory of 2368	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	30
PID 2084 wrote to memory of 2368	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	30
PID 2084 wrote to memory of 2368	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	30
PID 2084 wrote to memory of 2272	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	32
PID 2084 wrote to memory of 2272	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	32
PID 2084 wrote to memory of 2272	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	32
PID 2084 wrote to memory of 2272	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	32
PID 2084 wrote to memory of 2432	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	34
PID 2084 wrote to memory of 2432	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	34
PID 2084 wrote to memory of 2432	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	34
PID 2084 wrote to memory of 2432	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	34
PID 2084 wrote to memory of 2140	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	36
PID 2084 wrote to memory of 2140	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	36
PID 2084 wrote to memory of 2140	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	36
PID 2084 wrote to memory of 2140	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	36
PID 2084 wrote to memory of 2860	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	38
PID 2084 wrote to memory of 2860	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	38
PID 2084 wrote to memory of 2860	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	38
PID 2084 wrote to memory of 2860	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	38
PID 2084 wrote to memory of 2184	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	41
PID 2084 wrote to memory of 2184	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	41
PID 2084 wrote to memory of 2184	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	41
PID 2084 wrote to memory of 2184	2084	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	41
PID 3028 wrote to memory of 2352	3028	iljeyfpz.exe	43
PID 3028 wrote to memory of 2352	3028	iljeyfpz.exe	43
PID 3028 wrote to memory of 2352	3028	iljeyfpz.exe	43
PID 3028 wrote to memory of 2352	3028	iljeyfpz.exe	43
PID 3028 wrote to memory of 2352	3028	iljeyfpz.exe	43
PID 3028 wrote to memory of 2352	3028	iljeyfpz.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jzdisyxc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\iljeyfpz.exe" C:\Windows\SysWOW64\jzdisyxc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2272
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jzdisyxc binPath= "C:\Windows\SysWOW64\jzdisyxc\iljeyfpz.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2432
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jzdisyxc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2140
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jzdisyxc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2860
- 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:2184

C:\Windows\SysWOW64\jzdisyxc\iljeyfpz.exe
C:\Windows\SysWOW64\jzdisyxc\iljeyfpz.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3028
- 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:2352

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\iljeyfpz.exe

Filesize
10.7MB

MD5
ac62fb6569c5b9b7b656b52066dd987d

SHA1
27c86a7bd1b2a43f585baa24de00f9659382f9aa

SHA256
31f0f37997bc7ebd49d2adb524f78c5b73215eef8f930dabeca92d4ae009eefe

SHA512
583983ba89327c01707121f380bd223b578be560892f19d3f86768bd69a1b136d4ba58a091bfceb7a94dd3f9bd14312cfb4442017a25a3f711efb9bb4a0db6d9

Download Submit
memory/2084-8-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/2084-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2084-1-0x00000000009F0000-0x0000000000AF0000-memory.dmp

Filesize
1024KB

Download
memory/2084-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2084-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2084-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2352-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2352-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2352-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2352-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2352-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/3028-15-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads