tofsee | 809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 23:45

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General

Target

JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe
Size

173KB
MD5

9f9ae6890b75d02bd12c641689feb0f3
SHA1

b061f73eb4bffc740d14b8c60506e366ee6eb010
SHA256

809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61
SHA512

edc30a5fdebd31710f61aeddcffb47f98e51afa168ab0a31af1134c8942049bdb000cc1dd625dd11ff55621c7167789a27668a19dad76b07414765e6a3f6ba9a
SSDEEP

3072:D7pw2Al1wUlCE0zZaGRRE2esjjc7XxxL33jai2:pHAl1wUcE0zZaGRRksAXxxL3T6

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\moibfyw = "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
2976	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\moibfyw\ImagePath = "C:\\Windows\\SysWOW64\\moibfyw\\boxuvamz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2980	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2876	boxuvamz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2876 set thread context of 2980	2876	boxuvamz.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2156	sc.exe
2828	sc.exe
2920	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	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.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	boxuvamz.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2376	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	30
PID 2100 wrote to memory of 2376	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	30
PID 2100 wrote to memory of 2376	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	30
PID 2100 wrote to memory of 2376	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	30
PID 2100 wrote to memory of 2536	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	32
PID 2100 wrote to memory of 2536	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	32
PID 2100 wrote to memory of 2536	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	32
PID 2100 wrote to memory of 2536	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	32
PID 2100 wrote to memory of 2920	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	34
PID 2100 wrote to memory of 2920	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	34
PID 2100 wrote to memory of 2920	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	34
PID 2100 wrote to memory of 2920	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	34
PID 2100 wrote to memory of 2156	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	36
PID 2100 wrote to memory of 2156	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	36
PID 2100 wrote to memory of 2156	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	36
PID 2100 wrote to memory of 2156	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	36
PID 2100 wrote to memory of 2828	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	38
PID 2100 wrote to memory of 2828	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	38
PID 2100 wrote to memory of 2828	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	38
PID 2100 wrote to memory of 2828	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	38
PID 2876 wrote to memory of 2980	2876	boxuvamz.exe	41
PID 2876 wrote to memory of 2980	2876	boxuvamz.exe	41
PID 2876 wrote to memory of 2980	2876	boxuvamz.exe	41
PID 2876 wrote to memory of 2980	2876	boxuvamz.exe	41
PID 2876 wrote to memory of 2980	2876	boxuvamz.exe	41
PID 2876 wrote to memory of 2980	2876	boxuvamz.exe	41
PID 2100 wrote to memory of 2976	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	42
PID 2100 wrote to memory of 2976	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	42
PID 2100 wrote to memory of 2976	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	42
PID 2100 wrote to memory of 2976	2100	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\moibfyw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2376
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\boxuvamz.exe" C:\Windows\SysWOW64\moibfyw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2536
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create moibfyw binPath= "C:\Windows\SysWOW64\moibfyw\boxuvamz.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2920
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description moibfyw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2156
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start moibfyw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2828
- 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:2976

C:\Windows\SysWOW64\moibfyw\boxuvamz.exe
C:\Windows\SysWOW64\moibfyw\boxuvamz.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2876
- 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:2980

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\boxuvamz.exe

Filesize
10.8MB

MD5
42a1ca53508a68466b4e90ece704a972

SHA1
e2b68f8cc8847fccec1bf4b42b42c37b1280e202

SHA256
e2ee3d2b4f0d36f510f75b86c700b918b0f0326ed0172bac2b8ebcb78f26b394

SHA512
9660853a32173d530f591554f284f084737e5a0af16c11030a7953e333c3b32754e94b8b7b02cfb842ca160b12b4afa4dc515e7a4ec2d284c6ed9d87f0dd5d2d

Download Submit
memory/2100-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2100-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2100-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2100-12-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2100-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2100-14-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2100-13-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2876-11-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2980-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2980-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2980-6-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2980-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2980-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads